Auxiliary Boiler (Oil-Fired)
The oil-fired auxiliary boiler makes steam independently of the main engine, covering port and standby periods when an exhaust gas economiser has no waste heat to draw on, and it is chosen over a composite or economiser-only arrangement wherever the ship needs guaranteed steam regardless of engine running state.
Read more — Auxiliary Boiler (Oil-Fired) explained ▾
What defines this type
Unlike an exhaust gas economiser, which only makes steam from waste heat while the main engine runs, an oil-fired auxiliary boiler burns its own fuel and can raise steam at any time, in port, at anchor, or as a backup if the economiser cannot meet demand at sea. This independence is the entire point of the type: it is sized and operated as the ship's guaranteed steam source, with the economiser treated as a fuel-saving supplement when the main engine is running rather than the primary source.
Main components
- Furnace and combustion chamber – where atomised fuel burns; refractory lining protects the shell from direct flame radiation.
- Burner – a rotary cup or pressure jet burner atomising the fuel oil, paired with a forced draft fan supplying combustion air.
- Fuel oil system – heater, pump and atomiser conditioning heavy fuel oil to the viscosity the burner needs, or handling MDO/MGO directly at lower viscosity.
- Heating surface – smoke tube (fire tube) construction for smaller, simpler boilers, or water tube construction where higher pressure or capacity is needed.
- Superheater – fitted where the plant needs superheated rather than saturated steam, common on boilers also supplying turbine-driven auxiliaries.
- Safety valves – set to lift at design pressure and prevent overpressure of the shell.
- Water level control and gauge glasses – automatic feedwater control plus independent visual gauge glasses, backed by low water level alarms and burner cutout.
- Soot blowers – steam or air-driven lances that clear soot from the fire side of the heating surface without shutting the boiler down.
Selection and sizing
Sizing is set by the ship's steam demand in port, since that is usually the condition with no exhaust gas heat available at all:
- Steam capacity in t/h and design pressure in bar against the combined demand of heating, cargo heating on tankers, and hotel load.
- Fuel flexibility between HFO and distillate, since a boiler that cannot burn MGO cleanly becomes a liability in emission control areas.
- Smoke tube versus water tube construction, generally a function of required pressure and capacity rather than free choice.
- Burner turndown ratio, which decides how well the boiler can hold a low, steady load in port without constantly cycling on and off.
Regulations and class
Boiler safety valve capacity, low water level protection and burner management interlocks are checked against SOLAS Chapter II-2 machinery space safety requirements, and class rules set the periodic internal and external survey cycle including hydrostatic testing at boiler renewal survey. Fuel sulphur content burned in the auxiliary boiler falls under the same MARPOL Annex VI fuel sulphur limits that apply to the main engine, so a boiler burning HFO inside an emission control area needs the same fuel changeover discipline as the propulsion plant.
Typical faults
| Fault | Consequence |
|---|---|
| Low water level protection failure | Furnace tube overheating and potential tube rupture if the burner does not cut out in time |
| Burner nozzle fouling | Poor atomisation, incomplete combustion, soot buildup in the uptake and risk of an uptake fire |
| Feedwater treatment neglected | Scale formation on heating surfaces and internal corrosion, both cutting efficiency and tube life |
| Safety valve seat leakage or failure to lift at set pressure | Either a constant steam loss or, worse, an overpressure event if the valve does not open when needed |
| Refractory damage from thermal shock | Repeated fast heat-up and cool-down cracks the lining, exposing the shell to direct flame |
What to look for in a supplier
- Burner turndown ratio and confirmed fuel flexibility across the fuels the ship actually carries.
- Class approval and a design pressure certificate matching the vessel's steam service, not a generic shore boiler rating.
- Spares commonality with the ship's existing boiler platform where this is a replacement rather than a newbuild.
- Compatibility with the vessel's existing water treatment chemical programme.
- Practical access for internal tube inspection and soot blower maintenance within the actual boiler room layout.
Never bypass a low water level alarm or cutout to keep steam available during a busy port call; a dry-fired furnace tube fails in minutes, and the boiler is out of service far longer than the alarm nuisance ever cost.
Typical Manufacturers
151 manufacturers · 747 models
Kangrim
51 ✓ 43 verified
- Burner or heat-source faults reduce heat output and cause flame, temperature or pressure alarms
- Feedwater, circulation or level-control faults cause unstable operation and protective trips
- Soot, scale or internal deposits reduce heat transfer and cause poor output or abnormal temperatures
- Tube, coil, gasket or valve leakage causes visible water, steam, oil or fuel leakage and pressure loss
- Control, fan, flame-monitoring or safety-device faults cause repeated trips or failure of the normal operating sequence
- Compact footprint suitable for medium‑size ships
- Rapid steam generation from oil fuel
- Robust Korean manufacturing reputation
- Standard safety valve and pressure controls
- Burner electrode erosion reported in service
- Photocell sensor fouling requires frequent cleaning
- Soot buildup after heavy‑fuel operation necessitates blow‑down
- Safety valve weeping can lead to minor steam loss
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level accuracy and gauge glass integrityCheck: Perform gauge glass blow-through test weekly to verify accurate water level reading. Check for cracks, cloudiness or deposits on gauge glass. Ensure low water level cut-off is functional and responds to water level changes.
- Area: Safety valve operation and set pressureCheck: Test safety valve lift action at 3% above design working pressure. Verify valve resets properly and seals completely. Check for leakage, corrosion or deposits on valve seat. Replace leaking or stuck safety valves immediately.
- Area: Furnace refractory condition and combustion integrityCheck: Inspect furnace refractory minimum twice yearly for cracks, brick displacement, excessive soot deposits and erosion. Check burner atomizer tip for carbon buildup. Verify flame pattern and burner management system fault history.
- Area: Internal corrosion, fouling and water chemistryCheck: Perform internal boiler inspection (water-side) for signs of corrosion, scale buildup, chemical deposits and oil contamination. Monitor feed water quality and perform regular blowdown to remove sediment. Test water chemistry parameters (pH, alkalinity, dissolved oxygen).
- Area: Fuel system condition and atomization qualityCheck: Check fuel oil filters and strainers for contamination. Inspect fuel pump condition and measure fuel pressure at operating temperature. Verify atomizer tip spray pattern and cleanliness. Inspect all fuel lines for leaks, corrosion and proper support. Test burner ignition system and flame scanner operation.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
SAACKE
23 ✓ 15 verified
- Burner or heat-source faults reduce heat output and cause flame, temperature or pressure alarms
- Feedwater, circulation or level-control faults cause unstable operation and protective trips
- Soot, scale or internal deposits reduce heat transfer and cause poor output or abnormal temperatures
- Tube, coil, gasket or valve leakage causes visible water, steam, oil or fuel leakage and pressure loss
- Control, fan, flame-monitoring or safety-device faults cause repeated trips or failure of the normal operating sequence
- Compact footprint – fits in limited engine‑room spaces
- Fast start‑up and high turndown ratio thanks to the rotary‑cup burner
- Robust construction with proven German engineering standards
- Easy access for routine cleaning of the cup and spinner
- Requires frequent cleaning of the rotary‑cup burner to prevent fouling
- Sensitive to fuel quality – can suffer valve sticking or transformer issues
- Water‑level float mechanism may seize if not inspected regularly
- Limited maximum steam output compared with larger fire‑tube boilers
- Burner or heat-source faults reduce steam production and cause flame, temperature or pressure alarms
- Feedwater-control or level-sensing faults cause unstable water level, low-level trips or abnormal feed-pump cycling
- Soot, scale or internal deposits reduce heat transfer and cause poor steaming performance or abnormal temperatures
- Tube, coil, gasket or valve leakage causes visible water, steam or fuel leakage and pressure loss
- Control, fan, flame-monitoring or safety-device faults cause repeated trips or failure of the normal operating sequence
- Burner or heat-source faults reduce steam production and cause flame, temperature or pressure alarms
- Feedwater-control or level-sensing faults cause unstable water level, low-level trips or abnormal feed-pump cycling
- Soot, scale or internal deposits reduce heat transfer and cause poor steaming performance or abnormal temperatures
- Tube, coil, gasket or valve leakage causes visible water, steam or fuel leakage and pressure loss
- Control, fan, flame-monitoring or safety-device faults cause repeated trips or failure of the normal operating sequence
- Burner or heat-source faults reduce steam production and cause flame, temperature or pressure alarms
- Feedwater-control or level-sensing faults cause unstable water level, low-level trips or abnormal feed-pump cycling
- Soot, scale or internal deposits reduce heat transfer and cause poor steaming performance or abnormal temperatures
- Tube, coil, gasket or valve leakage causes visible water, steam or fuel leakage and pressure loss
- Control, fan, flame-monitoring or safety-device faults cause repeated trips or failure of the normal operating sequence
- Burner ignition or flame failure caused by fuel contamination, poor atomization, electrode faults or air-supply problems, resulting in failed starts, flame trips or unstable combustion
- Soot or deposit buildup on heating surfaces caused by poor combustion or unsuitable fuel condition, resulting in rising exhaust temperature and reduced steam-generation efficiency
- Low-water or feedwater-control problems caused by valve, pump, sensor or control faults, resulting in unstable water level or protective shutdowns
- Tube or pressure-part leakage caused by corrosion, overheating or fatigue, resulting in water loss, steam leakage or abnormal furnace conditions
- Safety or combustion-control device malfunction caused by fouling, calibration drift or electrical faults, resulting in alarms, trips or unsafe operating indications
- Burner ignition or flame failure caused by fuel contamination, poor atomization, electrode faults or air-supply problems, resulting in failed starts, flame trips or unstable combustion
- Soot or deposit buildup on heating surfaces caused by poor combustion or unsuitable fuel condition, resulting in rising exhaust temperature and reduced steam-generation efficiency
- Low-water or feedwater-control problems caused by valve, pump, sensor or control faults, resulting in unstable water level or protective shutdowns
- Tube or pressure-part leakage caused by corrosion, overheating or fatigue, resulting in water loss, steam leakage or abnormal furnace conditions
- Safety or combustion-control device malfunction caused by fouling, calibration drift or electrical faults, resulting in alarms, trips or unsafe operating indications
- Burner ignition or flame failure caused by fuel contamination, poor atomization, electrode faults or air-supply problems, resulting in failed starts, flame trips or unstable combustion
- Soot or deposit buildup on heating surfaces caused by poor combustion or unsuitable fuel condition, resulting in rising exhaust temperature and reduced steam-generation efficiency
- Low-water or feedwater-control problems caused by valve, pump, sensor or control faults, resulting in unstable water level or protective shutdowns
- Tube or pressure-part leakage caused by corrosion, overheating or fatigue, resulting in water loss, steam leakage or abnormal furnace conditions
- Safety or combustion-control device malfunction caused by fouling, calibration drift or electrical faults, resulting in alarms, trips or unsafe operating indications
- Burner ignition or flame failure caused by fuel contamination, poor atomization, electrode faults or air-supply problems, resulting in failed starts, flame trips or unstable combustion
- Soot or deposit buildup on heating surfaces caused by poor combustion or unsuitable fuel condition, resulting in rising exhaust temperature and reduced steam-generation efficiency
- Low-water or feedwater-control problems caused by valve, pump, sensor or control faults, resulting in unstable water level or protective shutdowns
- Tube or pressure-part leakage caused by corrosion, overheating or fatigue, resulting in water loss, steam leakage or abnormal furnace conditions
- Safety or combustion-control device malfunction caused by fouling, calibration drift or electrical faults, resulting in alarms, trips or unsafe operating indications
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level gauge accuracy and blockageCheck: Daily blowdown procedure of water and steam gauge glass cocks to remove scale deposits and ensure accurate level indication. Must verify both water and steam lines are clear.
- Area: Smoke tube fouling and soot accumulationCheck: Regular inspection of smoke tubes for soot and scale deposits using inspection hatches. Monitor draught loss (backpressure exceeding 150% indicates fouling). Schedule periodic cleaning with PUTZMAUS or PurePin tools.
- Area: Furnace refractory and burner degradationCheck: Access furnace via burner unit removal. Inspect refractory condition, flame pattern, and burner mounting for deterioration. Verify minimum refractory per design to enhance operational reliability.
- Area: Tube integrity and pressure vessel conditionCheck: Internal inspection of boiler shell via manhole access. Inspect membrane wall furnace, flame tubes, and convection area tubes for cracks, corrosion, and pitting. Verify all tubes are clear of deposits.
- Area: Water treatment and boiler water chemistryCheck: Monitor boiler water pH, alkalinity, and hardness. Perform regular blowdown of water level gauge connections. Inspect for scale buildup inside drum and tubes. Maintain compliance with marine classification society water treatment standards.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
Cochran
15 ✓ 15 verified- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Furnace Refractory Condition and Soot BuildupCheck: Visual inspection for cracks, displaced bricks, and excessive soot deposits opposite burner; refractory must be checked twice yearly minimum; over 10mm soot deposits indicate burner adjustment needed
- Area: Water Level Gauge Glass Integrity and ContaminationCheck: Drain water level glass for 10-15 seconds to verify accurate level reading; functional test of low water alarm weekly; contaminated water requires more frequent draining; ensure gauge glass is clearly visible and not obstructed
- Area: Fire Tubes and Stay Bolt IntegrityCheck: Internal inspection for tube corrosion, pitting, leaks, and blockages; stays/bolts checked for cracks and looseness; tube thickness verification via hammer test; minimum biennial internal inspections required by Class Society (DNV/Lloyd's)
- Area: Water-Side Deposits, Scale, and CorrosionCheck: At least biennial water-side internal inspection essential for boiler longevity; identify hard deposits blocking circulation, oxygen pitting at water line, and general corrosion; proper water treatment is the single most important determinant of safe operation
- Area: Safety Equipment Functional Tests (Low Water Alarm, Flame Failure, Relief Valve)Check: Annual external exam witnessing all safety system tests; verify low water cut-off response time; test flame failure shutdown; Relief valve set point verification per Class Society rules; all safety interlocks must function
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
Miura
15 ✓ 7 verified- Burner-nozzle fouling, poor atomization or ignition failure causes smoky combustion, flame failure alarms or inability to raise steam
- Feedwater-control or level-sensing faults cause unstable drum level, low-level trips or abnormal feed-pump cycling
- Soot, scale or deposits on heating surfaces reduce heat transfer and cause higher exhaust temperature, poor steaming rate or local overheating
- Fuel, steam or water leakage from valves, gaskets or tubes causes visible leakage, pressure loss or abnormal make-up demand
- Combustion-control, fan or flame-monitoring faults cause unstable firing, repeated burner trips or unsafe-start interlock failure
- Burner-nozzle fouling, poor atomization or ignition failure causes smoky combustion, flame failure alarms or inability to raise steam
- Feedwater-control or level-sensing faults cause unstable drum level, low-level trips or abnormal feed-pump cycling
- Soot, scale or deposits on heating surfaces reduce heat transfer and cause higher exhaust temperature, poor steaming rate or local overheating
- Fuel, steam or water leakage from valves, gaskets or tubes causes visible leakage, pressure loss or abnormal make-up demand
- Combustion-control, fan or flame-monitoring faults cause unstable firing, repeated burner trips or unsafe-start interlock failure
- Burner-nozzle fouling, poor atomization or ignition failure causes smoky combustion, flame failure alarms or inability to raise steam
- Feedwater-control or level-sensing faults cause unstable drum level, low-level trips or abnormal feed-pump cycling
- Soot, scale or deposits on heating surfaces reduce heat transfer and cause higher exhaust temperature, poor steaming rate or local overheating
- Fuel, steam or water leakage from valves, gaskets or tubes causes visible leakage, pressure loss or abnormal make-up demand
- Combustion-control, fan or flame-monitoring faults cause unstable firing, repeated burner trips or unsafe-start interlock failure
- Burner-nozzle fouling, poor atomization or ignition failure causes smoky combustion, flame failure alarms or inability to raise steam
- Feedwater-control or level-sensing faults cause unstable drum level, low-level trips or abnormal feed-pump cycling
- Soot, scale or deposits on heating surfaces reduce heat transfer and cause higher exhaust temperature, poor steaming rate or local overheating
- Fuel, steam or water leakage from valves, gaskets or tubes causes visible leakage, pressure loss or abnormal make-up demand
- Combustion-control, fan or flame-monitoring faults cause unstable firing, repeated burner trips or unsafe-start interlock failure
- Burner-nozzle fouling, poor atomization or ignition failure causes smoky combustion, flame failure alarms or inability to raise steam
- Feedwater-control or level-sensing faults cause unstable drum level, low-level trips or abnormal feed-pump cycling
- Soot, scale or deposits on heating surfaces reduce heat transfer and cause higher exhaust temperature, poor steaming rate or local overheating
- Fuel, steam or water leakage from valves, gaskets or tubes causes visible leakage, pressure loss or abnormal make-up demand
- Combustion-control, fan or flame-monitoring faults cause unstable firing, repeated burner trips or unsafe-start interlock failure
- Burner-nozzle fouling, poor atomization or ignition failure causes smoky combustion, flame failure alarms or inability to raise steam
- Feedwater-control or level-sensing faults cause unstable drum level, low-level trips or abnormal feed-pump cycling
- Soot, scale or deposits on heating surfaces reduce heat transfer and cause higher exhaust temperature, poor steaming rate or local overheating
- Fuel, steam or water leakage from valves, gaskets or tubes causes visible leakage, pressure loss or abnormal make-up demand
- Combustion-control, fan or flame-monitoring faults cause unstable firing, repeated burner trips or unsafe-start interlock failure
- Burner-nozzle fouling, poor atomization or ignition failure causes smoky combustion, flame failure alarms or inability to raise steam
- Feedwater-control or level-sensing faults cause unstable drum level, low-level trips or abnormal feed-pump cycling
- Soot, scale or deposits on heating surfaces reduce heat transfer and cause higher exhaust temperature, poor steaming rate or local overheating
- Fuel, steam or water leakage from valves, gaskets or tubes causes visible leakage, pressure loss or abnormal make-up demand
- Combustion-control, fan or flame-monitoring faults cause unstable firing, repeated burner trips or unsafe-start interlock failure
- Burner-nozzle fouling, poor atomization or ignition failure causes smoky combustion, flame failure alarms or inability to raise steam
- Feedwater-control or level-sensing faults cause unstable drum level, low-level trips or abnormal feed-pump cycling
- Soot, scale or deposits on heating surfaces reduce heat transfer and cause higher exhaust temperature, poor steaming rate or local overheating
- Fuel, steam or water leakage from valves, gaskets or tubes causes visible leakage, pressure loss or abnormal make-up demand
- Combustion-control, fan or flame-monitoring faults cause unstable firing, repeated burner trips or unsafe-start interlock failure
- Area: Pressure gauge calibration verificationCheck: Verify boiler pressure gauges are calibrated. Shut-off fittings must be clearly marked in open position. If calibration cannot be verified, obtain written statement from Master/Chief Engineer or use secondary gauge for verification. Critical for SOLAS compliance on all auxiliary and main boilers.
- Area: Safety valve function and adjustmentCheck: Ensure minimum 2 safety valves per boiler, adjusted under steam to not exceed 103% of approved design pressure. Test operational response and relieving capacity. Document valve settings in ship's records.
- Area: Furnace refractory and soot depositsCheck: Inspect furnace refractory twice yearly minimum for cracks, brick displacement, and excessive soot accumulation. Check for hot spots or areas of excessive heat damage. For oil-fired boilers, soot removal via water jet cleaning (0.4-0.6 MPa, ~50 litres/min) between inspections.
- Area: Water tube condition and scale/corrosion monitoringCheck: Inspect water side of tubes for scale, corrosion, and deposits. Check for pin-hole leaks or bulging. Verify tube plate integrity and gasket condition. For oil-fired auxiliary boilers, water jet clean tubes when out of service. Replace corroded or damaged tubes per manufacturer specifications.
- Area: Soot blower and burner maintenanceCheck: For boilers equipped with soot blowers: check for distortion, worn bearings, nozzle cracks, freedom of movement, and effective lubrication. Verify nozzles are not blocked. For burners: clean/replace atomiser tip, verify fuel pressure/temperature, test ignition system, inspect fuel pump condition, review burner management system fault history.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Pressure gauge calibration verificationCheck: Verify boiler pressure gauges are calibrated. Shut-off fittings must be clearly marked in open position. If calibration cannot be verified, obtain written statement from Master/Chief Engineer or use secondary gauge for verification. Critical for SOLAS compliance on all auxiliary and main boilers.
- Area: Safety valve function and adjustmentCheck: Ensure minimum 2 safety valves per boiler, adjusted under steam to not exceed 103% of approved design pressure. Test operational response and relieving capacity. Document valve settings in ship's records.
- Area: Furnace refractory and soot depositsCheck: Inspect furnace refractory twice yearly minimum for cracks, brick displacement, and excessive soot accumulation. Check for hot spots or areas of excessive heat damage. For oil-fired boilers, soot removal via water jet cleaning (0.4-0.6 MPa, ~50 litres/min) between inspections.
- Area: Water tube condition and scale/corrosion monitoringCheck: Inspect water side of tubes for scale, corrosion, and deposits. Check for pin-hole leaks or bulging. Verify tube plate integrity and gasket condition. For oil-fired auxiliary boilers, water jet clean tubes when out of service. Replace corroded or damaged tubes per manufacturer specifications.
- Area: Soot blower and burner maintenanceCheck: For boilers equipped with soot blowers: check for distortion, worn bearings, nozzle cracks, freedom of movement, and effective lubrication. Verify nozzles are not blocked. For burners: clean/replace atomiser tip, verify fuel pressure/temperature, test ignition system, inspect fuel pump condition, review burner management system fault history.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Pressure gauge calibration verificationCheck: Verify boiler pressure gauges are calibrated. Shut-off fittings must be clearly marked in open position. If calibration cannot be verified, obtain written statement from Master/Chief Engineer or use secondary gauge for verification. Critical for SOLAS compliance on all auxiliary and main boilers.
- Area: Safety valve function and adjustmentCheck: Ensure minimum 2 safety valves per boiler, adjusted under steam to not exceed 103% of approved design pressure. Test operational response and relieving capacity. Document valve settings in ship's records.
- Area: Furnace refractory and soot depositsCheck: Inspect furnace refractory twice yearly minimum for cracks, brick displacement, and excessive soot accumulation. Check for hot spots or areas of excessive heat damage. For oil-fired boilers, soot removal via water jet cleaning (0.4-0.6 MPa, ~50 litres/min) between inspections.
- Area: Water tube condition and scale/corrosion monitoringCheck: Inspect water side of tubes for scale, corrosion, and deposits. Check for pin-hole leaks or bulging. Verify tube plate integrity and gasket condition. For oil-fired auxiliary boilers, water jet clean tubes when out of service. Replace corroded or damaged tubes per manufacturer specifications.
- Area: Soot blower and burner maintenanceCheck: For boilers equipped with soot blowers: check for distortion, worn bearings, nozzle cracks, freedom of movement, and effective lubrication. Verify nozzles are not blocked. For burners: clean/replace atomiser tip, verify fuel pressure/temperature, test ignition system, inspect fuel pump condition, review burner management system fault history.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Pressure gauge calibration verificationCheck: Verify boiler pressure gauges are calibrated. Shut-off fittings must be clearly marked in open position. If calibration cannot be verified, obtain written statement from Master/Chief Engineer or use secondary gauge for verification. Critical for SOLAS compliance on all auxiliary and main boilers.
- Area: Safety valve function and adjustmentCheck: Ensure minimum 2 safety valves per boiler, adjusted under steam to not exceed 103% of approved design pressure. Test operational response and relieving capacity. Document valve settings in ship's records.
- Area: Furnace refractory and soot depositsCheck: Inspect furnace refractory twice yearly minimum for cracks, brick displacement, and excessive soot accumulation. Check for hot spots or areas of excessive heat damage. For oil-fired boilers, soot removal via water jet cleaning (0.4-0.6 MPa, ~50 litres/min) between inspections.
- Area: Water tube condition and scale/corrosion monitoringCheck: Inspect water side of tubes for scale, corrosion, and deposits. Check for pin-hole leaks or bulging. Verify tube plate integrity and gasket condition. For oil-fired auxiliary boilers, water jet clean tubes when out of service. Replace corroded or damaged tubes per manufacturer specifications.
- Area: Soot blower and burner maintenanceCheck: For boilers equipped with soot blowers: check for distortion, worn bearings, nozzle cracks, freedom of movement, and effective lubrication. Verify nozzles are not blocked. For burners: clean/replace atomiser tip, verify fuel pressure/temperature, test ignition system, inspect fuel pump condition, review burner management system fault history.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Pressure gauge calibration verificationCheck: Verify boiler pressure gauges are calibrated. Shut-off fittings must be clearly marked in open position. If calibration cannot be verified, obtain written statement from Master/Chief Engineer or use secondary gauge for verification. Critical for SOLAS compliance on all auxiliary and main boilers.
- Area: Safety valve function and adjustmentCheck: Ensure minimum 2 safety valves per boiler, adjusted under steam to not exceed 103% of approved design pressure. Test operational response and relieving capacity. Document valve settings in ship's records.
- Area: Furnace refractory and soot depositsCheck: Inspect furnace refractory twice yearly minimum for cracks, brick displacement, and excessive soot accumulation. Check for hot spots or areas of excessive heat damage. For oil-fired boilers, soot removal via water jet cleaning (0.4-0.6 MPa, ~50 litres/min) between inspections.
- Area: Water tube condition and scale/corrosion monitoringCheck: Inspect water side of tubes for scale, corrosion, and deposits. Check for pin-hole leaks or bulging. Verify tube plate integrity and gasket condition. For oil-fired auxiliary boilers, water jet clean tubes when out of service. Replace corroded or damaged tubes per manufacturer specifications.
- Area: Soot blower and burner maintenanceCheck: For boilers equipped with soot blowers: check for distortion, worn bearings, nozzle cracks, freedom of movement, and effective lubrication. Verify nozzles are not blocked. For burners: clean/replace atomiser tip, verify fuel pressure/temperature, test ignition system, inspect fuel pump condition, review burner management system fault history.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Pressure gauge calibration verificationCheck: Verify boiler pressure gauges are calibrated. Shut-off fittings must be clearly marked in open position. If calibration cannot be verified, obtain written statement from Master/Chief Engineer or use secondary gauge for verification. Critical for SOLAS compliance on all auxiliary and main boilers.
- Area: Safety valve function and adjustmentCheck: Ensure minimum 2 safety valves per boiler, adjusted under steam to not exceed 103% of approved design pressure. Test operational response and relieving capacity. Document valve settings in ship's records.
- Area: Furnace refractory and soot depositsCheck: Inspect furnace refractory twice yearly minimum for cracks, brick displacement, and excessive soot accumulation. Check for hot spots or areas of excessive heat damage. For oil-fired boilers, soot removal via water jet cleaning (0.4-0.6 MPa, ~50 litres/min) between inspections.
- Area: Water tube condition and scale/corrosion monitoringCheck: Inspect water side of tubes for scale, corrosion, and deposits. Check for pin-hole leaks or bulging. Verify tube plate integrity and gasket condition. For oil-fired auxiliary boilers, water jet clean tubes when out of service. Replace corroded or damaged tubes per manufacturer specifications.
- Area: Soot blower and burner maintenanceCheck: For boilers equipped with soot blowers: check for distortion, worn bearings, nozzle cracks, freedom of movement, and effective lubrication. Verify nozzles are not blocked. For burners: clean/replace atomiser tip, verify fuel pressure/temperature, test ignition system, inspect fuel pump condition, review burner management system fault history.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Pressure gauge calibration verificationCheck: Verify boiler pressure gauges are calibrated. Shut-off fittings must be clearly marked in open position. If calibration cannot be verified, obtain written statement from Master/Chief Engineer or use secondary gauge for verification. Critical for SOLAS compliance on all auxiliary and main boilers.
- Area: Safety valve function and adjustmentCheck: Ensure minimum 2 safety valves per boiler, adjusted under steam to not exceed 103% of approved design pressure. Test operational response and relieving capacity. Document valve settings in ship's records.
- Area: Furnace refractory and soot depositsCheck: Inspect furnace refractory twice yearly minimum for cracks, brick displacement, and excessive soot accumulation. Check for hot spots or areas of excessive heat damage. For oil-fired boilers, soot removal via water jet cleaning (0.4-0.6 MPa, ~50 litres/min) between inspections.
- Area: Water tube condition and scale/corrosion monitoringCheck: Inspect water side of tubes for scale, corrosion, and deposits. Check for pin-hole leaks or bulging. Verify tube plate integrity and gasket condition. For oil-fired auxiliary boilers, water jet clean tubes when out of service. Replace corroded or damaged tubes per manufacturer specifications.
- Area: Soot blower and burner maintenanceCheck: For boilers equipped with soot blowers: check for distortion, worn bearings, nozzle cracks, freedom of movement, and effective lubrication. Verify nozzles are not blocked. For burners: clean/replace atomiser tip, verify fuel pressure/temperature, test ignition system, inspect fuel pump condition, review burner management system fault history.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
Parat Halvorsen
13 ✓ 13 verified- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Corrosion and Erosion of Boiler TubesCheck: Visual inspection of internal boiler surfaces, tube walls, and seams for pitting, cracks, and material loss. Measure wall thickness on tube nozzles, welded connections and tube sheets using ultrasonic testing. Special attention to areas exposed to high-velocity exhaust gas flow (MES/MEW) or oxygen-rich zones.
- Area: Pressure Vessel Structural IntegrityCheck: Examine all welds, riveted connections, tube-to-sheet connections, and pressure-bearing seams for cracks, deformation, and fatigue failures. Check steam drum condition (if applicable) for scale buildup and internal corrosion. Verify fastener condition and tightness on boiler flanges and inspection covers.
- Area: Burner System and Combustion Chamber ConditionCheck: Inspect oil burner nozzles for carbon buildup and blockage. Check fuel atomization spray pattern. Examine combustion chamber refractory lining for cracks, spalling, and hotspots. Verify burner firing head is properly sealed and gaskets are intact (for MVS, MSH, MCS models with oil firing).
- Area: Safety Valve and Pressure Control SystemCheck: Test safety valves for proper opening pressure and sealing integrity. Inspect pressure gauges for calibration and accuracy. Check control system wiring, electrode contacts (for MEH electrical models), and thermostats for proper function. Verify all interlocks and alarm systems are operational.
- Area: Scale and Sediment Accumulation in Water SpacesCheck: Internal visual inspection of boiler shell and tubes for water-side scale deposits, sludge, and sediment. Check water bottom drain systems for blockage. For feed water heaters and economizers (if fitted), inspect for fouling. Verify feedwater treatment system is operating correctly to prevent scaling.
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
Mitsubishi
5 ✓ 5 verified- Area: External examination of boiler casing, seams, and structural integrityCheck: Visual inspection for cracks, corrosion, deformation, and water leakage; verify water-wall tube condition and tube thickness
- Area: Exhaust gas economizer condition and tube integrity (for composite/exhaust gas boilers)Check: Direct visual examination of headers and tubes; remote viewing (endoscope), Ultrasonic Testing (UT), or hydraulic pressure testing if visual access not possible; inspect supports, rolling stays, and uptakes
- Area: Safety valves, pressure relief devices, and protective system functionalityCheck: Annual safety valve testing; pressure gauge calibration; verify lift pressure and flow capacity; test protective devices including flame failure safeguards and fuel shutoff systems
- Area: Furnace refractory condition and combustion chamber integrity (oil-fired models)Check: Visual inspection of refractory lining for cracks, erosion, or spalling; verify burner alignment and flame pattern; check for soot accumulation and corrosion on combustion chamber walls
- Area: Fuel system and burner condition (oil-fired and multi-fuel models)Check: Inspect fuel filters and strainers for contamination; verify fuel pump operation and pressure; check atomizer condition; test fuel heater thermostat and temperature control; inspect fuel piping for leaks and corrosion
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: External examination of boiler casing, seams, and structural integrityCheck: Visual inspection for cracks, corrosion, deformation, and water leakage; verify water-wall tube condition and tube thickness
- Area: Exhaust gas economizer condition and tube integrity (for composite/exhaust gas boilers)Check: Direct visual examination of headers and tubes; remote viewing (endoscope), Ultrasonic Testing (UT), or hydraulic pressure testing if visual access not possible; inspect supports, rolling stays, and uptakes
- Area: Safety valves, pressure relief devices, and protective system functionalityCheck: Annual safety valve testing; pressure gauge calibration; verify lift pressure and flow capacity; test protective devices including flame failure safeguards and fuel shutoff systems
- Area: Furnace refractory condition and combustion chamber integrity (oil-fired models)Check: Visual inspection of refractory lining for cracks, erosion, or spalling; verify burner alignment and flame pattern; check for soot accumulation and corrosion on combustion chamber walls
- Area: Fuel system and burner condition (oil-fired and multi-fuel models)Check: Inspect fuel filters and strainers for contamination; verify fuel pump operation and pressure; check atomizer condition; test fuel heater thermostat and temperature control; inspect fuel piping for leaks and corrosion
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: External examination of boiler casing, seams, and structural integrityCheck: Visual inspection for cracks, corrosion, deformation, and water leakage; verify water-wall tube condition and tube thickness
- Area: Exhaust gas economizer condition and tube integrity (for composite/exhaust gas boilers)Check: Direct visual examination of headers and tubes; remote viewing (endoscope), Ultrasonic Testing (UT), or hydraulic pressure testing if visual access not possible; inspect supports, rolling stays, and uptakes
- Area: Safety valves, pressure relief devices, and protective system functionalityCheck: Annual safety valve testing; pressure gauge calibration; verify lift pressure and flow capacity; test protective devices including flame failure safeguards and fuel shutoff systems
- Area: Furnace refractory condition and combustion chamber integrity (oil-fired models)Check: Visual inspection of refractory lining for cracks, erosion, or spalling; verify burner alignment and flame pattern; check for soot accumulation and corrosion on combustion chamber walls
- Area: Fuel system and burner condition (oil-fired and multi-fuel models)Check: Inspect fuel filters and strainers for contamination; verify fuel pump operation and pressure; check atomizer condition; test fuel heater thermostat and temperature control; inspect fuel piping for leaks and corrosion
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: External examination of boiler casing, seams, and structural integrityCheck: Visual inspection for cracks, corrosion, deformation, and water leakage; verify water-wall tube condition and tube thickness
- Area: Exhaust gas economizer condition and tube integrity (for composite/exhaust gas boilers)Check: Direct visual examination of headers and tubes; remote viewing (endoscope), Ultrasonic Testing (UT), or hydraulic pressure testing if visual access not possible; inspect supports, rolling stays, and uptakes
- Area: Safety valves, pressure relief devices, and protective system functionalityCheck: Annual safety valve testing; pressure gauge calibration; verify lift pressure and flow capacity; test protective devices including flame failure safeguards and fuel shutoff systems
- Area: Furnace refractory condition and combustion chamber integrity (oil-fired models)Check: Visual inspection of refractory lining for cracks, erosion, or spalling; verify burner alignment and flame pattern; check for soot accumulation and corrosion on combustion chamber walls
- Area: Fuel system and burner condition (oil-fired and multi-fuel models)Check: Inspect fuel filters and strainers for contamination; verify fuel pump operation and pressure; check atomizer condition; test fuel heater thermostat and temperature control; inspect fuel piping for leaks and corrosion
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: External examination of boiler casing, seams, and structural integrityCheck: Visual inspection for cracks, corrosion, deformation, and water leakage; verify water-wall tube condition and tube thickness
- Area: Exhaust gas economizer condition and tube integrity (for composite/exhaust gas boilers)Check: Direct visual examination of headers and tubes; remote viewing (endoscope), Ultrasonic Testing (UT), or hydraulic pressure testing if visual access not possible; inspect supports, rolling stays, and uptakes
- Area: Safety valves, pressure relief devices, and protective system functionalityCheck: Annual safety valve testing; pressure gauge calibration; verify lift pressure and flow capacity; test protective devices including flame failure safeguards and fuel shutoff systems
- Area: Furnace refractory condition and combustion chamber integrity (oil-fired models)Check: Visual inspection of refractory lining for cracks, erosion, or spalling; verify burner alignment and flame pattern; check for soot accumulation and corrosion on combustion chamber walls
- Area: Fuel system and burner condition (oil-fired and multi-fuel models)Check: Inspect fuel filters and strainers for contamination; verify fuel pump operation and pressure; check atomizer condition; test fuel heater thermostat and temperature control; inspect fuel piping for leaks and corrosion
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
Thermax
5 ✓ 5 verified- Area: Water level inadequacy or loss of water level indicationCheck: Verify water level gauge is clean and transparent; test low-water cutoff device to ensure prompt boiler shutdown when water falls below safety line
- Area: Combustion inefficiency and excessive fuel consumptionCheck: Inspect burner flame color and stability (should be steady and golden/blue); verify air-fuel mixture ratio; perform combustion analysis for CO₂, O₂, smoke number, and stack temperature
- Area: Internal corrosion, scale deposits, and tube blockage reducing heat transferCheck: Inspect waterside for scale, rust, carbon deposits, and corrosion; check fire-tube interior for soot, pitting, and thinning; perform water treatment analysis to prevent oxygen corrosion
- Area: Safety valve malfunction or pressure relief failureCheck: Verify safety valve lifts at 3% above working pressure; manually test with easing gear; ensure minimum two safety valves installed per SOLAS requirements
- Area: Furnace refractory damage and uncontrolled combustionCheck: Inspect refractory lining minimum twice yearly for cracks, missing sections, excessive soot deposits, and brick displacement; clean combustion chamber and check for air-tightness
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level inadequacy or loss of water level indicationCheck: Verify water level gauge is clean and transparent; test low-water cutoff device to ensure prompt boiler shutdown when water falls below safety line
- Area: Combustion inefficiency and excessive fuel consumptionCheck: Inspect burner flame color and stability (should be steady and golden/blue); verify air-fuel mixture ratio; perform combustion analysis for CO₂, O₂, smoke number, and stack temperature
- Area: Internal corrosion, scale deposits, and tube blockage reducing heat transferCheck: Inspect waterside for scale, rust, carbon deposits, and corrosion; check fire-tube interior for soot, pitting, and thinning; perform water treatment analysis to prevent oxygen corrosion
- Area: Safety valve malfunction or pressure relief failureCheck: Verify safety valve lifts at 3% above working pressure; manually test with easing gear; ensure minimum two safety valves installed per SOLAS requirements
- Area: Furnace refractory damage and uncontrolled combustionCheck: Inspect refractory lining minimum twice yearly for cracks, missing sections, excessive soot deposits, and brick displacement; clean combustion chamber and check for air-tightness
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level inadequacy or loss of water level indicationCheck: Verify water level gauge is clean and transparent; test low-water cutoff device to ensure prompt boiler shutdown when water falls below safety line
- Area: Combustion inefficiency and excessive fuel consumptionCheck: Inspect burner flame color and stability (should be steady and golden/blue); verify air-fuel mixture ratio; perform combustion analysis for CO₂, O₂, smoke number, and stack temperature
- Area: Internal corrosion, scale deposits, and tube blockage reducing heat transferCheck: Inspect waterside for scale, rust, carbon deposits, and corrosion; check fire-tube interior for soot, pitting, and thinning; perform water treatment analysis to prevent oxygen corrosion
- Area: Safety valve malfunction or pressure relief failureCheck: Verify safety valve lifts at 3% above working pressure; manually test with easing gear; ensure minimum two safety valves installed per SOLAS requirements
- Area: Furnace refractory damage and uncontrolled combustionCheck: Inspect refractory lining minimum twice yearly for cracks, missing sections, excessive soot deposits, and brick displacement; clean combustion chamber and check for air-tightness
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level inadequacy or loss of water level indicationCheck: Verify water level gauge is clean and transparent; test low-water cutoff device to ensure prompt boiler shutdown when water falls below safety line
- Area: Combustion inefficiency and excessive fuel consumptionCheck: Inspect burner flame color and stability (should be steady and golden/blue); verify air-fuel mixture ratio; perform combustion analysis for CO₂, O₂, smoke number, and stack temperature
- Area: Internal corrosion, scale deposits, and tube blockage reducing heat transferCheck: Inspect waterside for scale, rust, carbon deposits, and corrosion; check fire-tube interior for soot, pitting, and thinning; perform water treatment analysis to prevent oxygen corrosion
- Area: Safety valve malfunction or pressure relief failureCheck: Verify safety valve lifts at 3% above working pressure; manually test with easing gear; ensure minimum two safety valves installed per SOLAS requirements
- Area: Furnace refractory damage and uncontrolled combustionCheck: Inspect refractory lining minimum twice yearly for cracks, missing sections, excessive soot deposits, and brick displacement; clean combustion chamber and check for air-tightness
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
- Area: Water level inadequacy or loss of water level indicationCheck: Verify water level gauge is clean and transparent; test low-water cutoff device to ensure prompt boiler shutdown when water falls below safety line
- Area: Combustion inefficiency and excessive fuel consumptionCheck: Inspect burner flame color and stability (should be steady and golden/blue); verify air-fuel mixture ratio; perform combustion analysis for CO₂, O₂, smoke number, and stack temperature
- Area: Internal corrosion, scale deposits, and tube blockage reducing heat transferCheck: Inspect waterside for scale, rust, carbon deposits, and corrosion; check fire-tube interior for soot, pitting, and thinning; perform water treatment analysis to prevent oxygen corrosion
- Area: Safety valve malfunction or pressure relief failureCheck: Verify safety valve lifts at 3% above working pressure; manually test with easing gear; ensure minimum two safety valves installed per SOLAS requirements
- Area: Furnace refractory damage and uncontrolled combustionCheck: Inspect refractory lining minimum twice yearly for cracks, missing sections, excessive soot deposits, and brick displacement; clean combustion chamber and check for air-tightness
Typ-universelle Inspektionspunkte fuer Boilers (verifiziert, 2026-06).
Alfa Laval
229
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfleistung (OC-TCi, Ölfeuerung)
- 1200-6500 kg/h
- Dampfleistung (OC-TCi, Abgasseite)
- 300-5000 kg/h
- Designdruck (OC-TCi)
- 9 bar(g) (131 psi)
- Heizbauart (TFO)
- Oil or gas firing, thermal fluid/thermal oil/hot water
- Brennersystem
- Pressure atomizer (monobloc), swivelling for maintenance
- Temperaturkontrolle
- Elektronisch geregelt, ±1°C Genauigkeit zur Ölschutzqualität
- Aalborg TFO (Oil/Gas-Fired Thermal Fluid Heater)
- Aalborg OC-TCi (Composite Steam Boiler - Combined Oil & Exhaust Gas)
- Aalborg EX (Waste Heat Recovery Heater)
- Aalborg OL (Oil/Gas-Fired Steam Boiler)
- Area: Thermoölabbau (Oxidation, thermische Zersetzung)Check: Take oil samples and check acid number (TAN), viscosity, colour; check temperature exceedances in dataset; monitor electronic controllers for setpoint drift (±1°C target exceeded = oil degradation risk)
- Area: Coil fouling and corrosion (deposits, slagging)Check: Visually inspect coils through removable cover for coating, fly ash, corrosion spots; perform differential pressure measurement inlet/outlet (elevated pressure = contamination); measure tube diameter ultrasonic wall thickness if suspected
- Area: Feuerraum-Wärmeschutz & Refraktärbeschichtung (Risse, Abplatzungen, thermische Schäden)Check: Visual inspection of furnace inner walls for cracks in refractory brickwork, particularly front/burner area; check quarls and air registers for slagging/scale; cracks with dark closure (not closed during operation) must be repaired
- Area: Brenner & Brennstoff-Zerstäubung (Zerstäuberqualität, Flammenform, Ruß-Ablagerung)Check: Visually inspect burner condition (mounted/swingable); observe flame shape (stable, no soot discharge); check nozzle holes for contamination; excessive soot deposits opposite burner indicate need for adjustment
- Area: Druckprüfung & Klassifizierungsbesichtigung (Hydrostatic Test, Klassifizierungs-Compliance)Check: Perform hydropneumatic pressure test after maintenance (no stress >90% yield strength); coordinate inspection progress & certificate with classification society (DNV, ABS, LR); accumulator test on new installation (pressure build-up <10% nominal value during 15-min continuous operation)
- Area: Sicherheitsventile & Wasserstandsglas (Ventilhub-Einstellung, Dichtprüfung, Schauglas-Durchblasen)Check: Safety valves must open at max. 3% above operating pressure, settle at 5% below operating pressure; annual inspections required; perform water level indicator blowdown to verify correct water level indication; minimum 2 independent water level measuring instruments required (SOLAS)
Type universal inspection points for Alfa Laval Aalborg Combined Oil/Thermal-Oil Heater (Composite) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-filled.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Betriebsdruck (typisch)
- 5-30 bar(g), max. 65 bar(g)
- Design-Druck XS-TC7A
- 10 bar(g)
- Pinch Point
- 10-20°C (Minimum 5°C)
- Rohrbauart
- Rauchrohr (XS-Serie), Wasserrohr (AV-6N, XW), mit Rippen (gilled tubes)
- Zirkulation
- Natürlich (AV-6N Standard), Erzwungen (XW, Forced Circulation Optionen)
- Größe
- XS-TC7A: Kompakteste Rauchrohr-Economizer am Markt
- Materialien/fouling
- Helix-Rohre, vertikales Design mit hoher Gasgeschwindigkeit minimiert Verschlammung
- Aalborg XS-TC7A (Smoke-Tube Economizer)
- Aalborg AV-6N (Water-Tube Boiler, Natural Circulation)
- Aalborg XW / XW-TG (Water-Tube Economizer, Forced Circulation)
- Aalborg XS-2V / XS-7V (Smoke-Tube Economizers)
- Aalborg Micro (Compact Waste Heat Recovery)
- Aalborg H/HW (Waste Heat Recovery after Gas/Diesel Engines)
- Area: Rohrverschlammung / Rußabbrand-Gefahr (Soot Fouling)Check: Visual inspection of gas side for soot buildup, exhaust temperature measurement: >10-20°C above setpoint indicates sludging; perform water flushing kit application (50 l/min, 0.4-0.6 MPa pressure); operate Soot-Blower daily 3x (caution: In case of uptake fire DO NOT blow down with steam due to H₂ fire hazard)
- Area: Rohrleckage / Korrosion / Erosion (Tube Leakage)Check: Internal inspection test (opening of sight glasses/hand ports): inspect tubes for wear, pitting, thinning; external inspection for soot deposits, blistering, sag; perform hydraulic pressure test at 1.25 × operating pressure for maximum 10 minutes
- Area: Druckbehälter-Klassbesichtigung / Periodische InspektionCheck: Class surveyor: Inspect all boilers >3.5 bar working pressure and >4.65 m² heating surface. Frequency: DNV/LLOYDS every 2 years up to 8 years old, then annually; 2 comprehensive internal inspections per 5-year period, interval maximum 36 months. Inspect internal surfaces (drums, headers) for sludging, corrosion, cracks.
- Area: Sicherheitsventile / ÜberdruckschutzCheck: Safety valve test: opening at ≤3% above working pressure; test pressure 15% above working pressure for maximum 10 minutes (feedwater only for water level safety); pressure rise during test maximum 10% above design pressure at full load firing with stop valves closed.
- Area: Wasserspiegel-Schauglas / SchutzeinrichtungenCheck: Sight glass visual inspection for highest, lowest, normal water level markings; protective devices without sight obstruction; test water cushion safety ball valve for function; check drain line for safety.
- Area: Refractory / furnace room (only for fired boilers); tube bundle cleaning (XS-TC7A helix tubes)Check: For Aalborg OL/D and similar burner boilers: inspect refractory material (membrane walls, furnace floor) for cracks, deformation, separation; remove carbon deposits. For XS-TC7A: clean helix tube bundle with water flush kit (7–8 hours on similar ships), if necessary add cleaning chemicals before discharge to slop tank.
Type-universal inspection points for Alfa Laval Aalborg Exhaust Gas Boiler / Economizer (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
- Dampfkapazität OL
- 12.500–55.000 kg/h (mit BOG-Management)
- Dampfkapazität D
- 25–120 t/h (Tanker-Hauptkessel)
- Designdrücke
- 9 or 18 bar(g)
- Konstruktion
- Zweritrommel (Dampftrommel/Wassertrommel), Membranwände, Generatorröhrenbank
- Rohrsystem
- Gerade Pin-Tubes mit Schwenk-Pins, externe Fallrohre (Aalborg D)
- Brenner-typ
- Oelgefeuert (Standard), Dual-Fuel optional, KBSD/Aalborg-Brenner
- Refraktär
- Minimal im Feuerraum, Isolations- + Formrefraktär an Rohrplatte
- Aalborg OL (12.5-55 t/h, 9/18 bar)
- Aalborg D (25-120 t/h, 18 bar, Tanker-Design)
- Aalborg OM (8-45 t/h, Mittelkapazität)
- Mission OS (bis 6 t/h, Vertical Auxiliary)
- Area: Tube body leakage due to corrosion, pitting, deposits (scale/sludge) or wearCheck: Internal visual inspection of all steam/water tubes; perform pressure test if suspected; seal leaking tube with conical stop valve after steel wire brush cleaning of tube ends. Leaking tubes must be renewed.
- Area: Water level regulation: failure of differential pressure transmitter or feedwater control valve leads to flooding/drying outCheck: Check DP transmitter unit (external reference/variable leg, 4–20 mA output); feedwater control valve functional test; sight glass for cracks, contamination; test alarm function in control unit
- Area: Safety valve failure or incorrect opening/closing pressures — overpressure or inadequate emergency steam reliefCheck: Test two safety valves under full-load steam: pressure build-up 7 min. max. +6% working pressure permissible (water tubes); pop-point of each valve max. ±3% from set pressure; class notation: perform opening + accumulation test under classifier supervision
- Area: Furnace refractory damage (cracks, spalling) or soot/corrosion → heat leaks, furnace instability, drum overheatingCheck: Inspect furnace walls and refractory lining visually (min. 2x/year); check for cracks, moisture, soot deposits. Check lower tube plate (insulation + form refractory). After 3–4 weeks operation: perform blow-down, inspect/clean boiler, remove sludge
- Area: Loss of pressure integrity due to corrosion, cracks, rivets or welds → leakage, operating loss, safety riskCheck: Hydrostatic test: fill boiler with water 21–65 °C (water tubes max. 71 °C). Pressure: 1.5× MAWP (non-entry) or 1.25× MAWP (entry). Secure safety valves with clamps. Check all seal surfaces, rivets, welds for leaks. Class notation: every 2 years (up to 8 years), then annually
- Area: Internal corrosion (water side), scale deposits or fire side soot/flocking → tube wear, heat loss, contaminationCheck: Class survey: water side (steam drum, water drum, all tubes) check for corrosion/cracks/deposits; fire side (furnace, flue gas path) check for soot/flocking (min. 2x/year). Man holes (top/bottom) permit access. If necessary use ultrasonic/endoscope for deeper defects
Type-universal inspection points for Alfa Laval Aalborg oil-fired marine steam boiler (Water Tube / D-Type) (Aalborg + Class/eCFR, 2026-06). Per-model specs not auto-populated.
Japan Radio
21New Sunrise
15Wärtsilä
13Anschütz
12
Glamox
9Ocean Signal
9
Jiangsu Highland Integration Technology
8Lopolight ApS
8Cassens & Plath
7NACOS Marine
7OSI Maritime Systems
7Sperry Marine B.V. - German Branch
7
Sunrod
7
- Burner or heat-source faults reduce heat output and cause flame, temperature or pressure alarms
- Feedwater, circulation or level-control faults cause unstable operation and protective trips
- Soot, scale or internal deposits reduce heat transfer and cause poor output or abnormal temperatures
- Tube, coil, gasket or valve leakage causes visible water, steam, oil or fuel leakage and pressure loss
- Control, fan, flame-monitoring or safety-device faults cause repeated trips or failure of the normal operating sequence
- Small footprint – fits in limited engine‑room spaces on ferries and workboats
- Integrated feed‑water pump reduces installation complexity
- Rapid steam generation suitable for short‑haul operations
- Relatively low fuel consumption at part load
- Maximum output (~250 kW) may be insufficient for larger vessels
- Burner nozzle can clog when using high‑viscosity heavy fuel oil
- Flame scanner is sensitive to soot, requiring frequent cleaning
- Vertical orientation limits installation where deck height is constrained
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Heat-source or burner failure caused by fuel, ignition, exhaust-flow or control faults, noticed as failed start, trip or reduced heat production
- Low or unstable water/fluid circulation caused by pump, level-control or valve faults, noticed as alarms, local overheating or loss of output
- Heating-surface fouling caused by soot, scale or deposits, noticed as reduced efficiency, higher exhaust temperature or increased pressure drop
- Tube, coil or pressure-part leakage caused by corrosion, erosion, scale or thermal stress, noticed as water/fluid loss, steam leakage or contamination of the gas side
- Safety/control instrumentation failure caused by sensor, valve, actuator or interlock faults, noticed as unstable operation, nuisance trips or failed functional tests
- Soot, scale, or deposit buildup on heating surfaces reduces heat transfer and appears as higher exhaust or firing temperature, poor steam production, or increased fuel demand
- Burner, ignition, atomization, or fuel-supply faults cause flame failure, unstable combustion, smoke, or repeated burner trips
- Low feedwater flow, pump trouble, level-control failure, or faulty level indication causes abnormal drum level and protective alarms or shutdowns
- Tube, gasket, valve, or pressure-part leakage from corrosion, overheating, fatigue, or poor water chemistry causes water or steam leakage and pressure loss
- Sensor, flame-safeguard, combustion-control, or safety-interlock faults cause nuisance trips, failed start sequences, or unsafe operating indications
- Soot, scale, or deposit buildup on heating surfaces reduces heat transfer and appears as higher exhaust or firing temperature, poor steam production, or increased fuel demand
- Burner, ignition, atomization, or fuel-supply faults cause flame failure, unstable combustion, smoke, or repeated burner trips
- Low feedwater flow, pump trouble, level-control failure, or faulty level indication causes abnormal drum level and protective alarms or shutdowns
- Tube, gasket, valve, or pressure-part leakage from corrosion, overheating, fatigue, or poor water chemistry causes water or steam leakage and pressure loss
- Sensor, flame-safeguard, combustion-control, or safety-interlock faults cause nuisance trips, failed start sequences, or unsafe operating indications
Zhejiang Hule Electric Equipment Manufacture
7
Jiangsu Huayan Marine Equipment
6Metaalwarenfabriek Den Haan Rotterdam
6
Navitron Systems
6R. Stahl Tranberg
6Japan Marina
5Koden Electronics
5Marine Technologies
5SAL Navigation
5Thrane & Thrane A/S Trading as Cobham Satcom
5YDK Technologies Co., Ltd., Morioka Branch
5
Dr. E. Horn
4Icom
4John Lilley & Gillie
4Lars Thrane
4sm electrics GmbH services & more
4Telko
4Alphatron Marine
3AVANTIX SASU
3ChartWorld International
3DEIF
3EMRI
3Haixing Maritime Electric Group
3HD Hyundai Marine Solution
3HMAP
3MRC
3Norwegian Electric Systems
3PC Maritime
3RAYMARINE UK
3Seall ECDIS
3SRT Marine Technology
3UNILUX GEOMAR
3Vard Electro
3ACR ELECTRONICS
2Alltek Marine Electronics
2AUTONAUTIC INSTRUMENTAL
2besecke
2Böning Automationstechnologie
2EKM
2ELAC SONAR
2em-trak Marine Electronics
2Fincantieri NexTech
2Furuno Electric
2GEM elettronica
2Hella New Zealand
2Jotron
2Jotron Skipper
2Liaoning Lida Automation Equipment Manufacturing
2Optonaval
2Peters + Bey
2Raymarine
2Saab
2Saab TransponderTech
2SAINSEL SISTEMAS NAVALES, S.A.U., S.M.E
2Scandinavian Micro Systems
2Seastema
2Thrane & Thrane
2TOKYO KEIKI INC. Marine Systems
2- Burner nozzle fouling during HFO operation — weekly cleaning required.
- Speisewasser-Aufbereitungsfehler verursacht Rohr-Korrosion
- Refractory material cracking from thermal cycling stress.
- Safety valve leakage due to lime deposits on the seat
Totem Plus Europe
2Victor
2Weigel Meßgeräte
2WISKA Hoppmann
2Zenitel Norway AS avd Horten
2
- Burner nozzle fouling during HFO operation — weekly cleaning required.
- Speisewasser-Aufbereitungsfehler verursacht Rohr-Korrosion
- Refractory material cracking from thermal cycling stress.
- Safety valve leakage due to lime deposits on the seat
- IMO approved and DNV recognised, simplifying class approval processes
- Compact design suitable for retro‑fit on existing vessels
- Fast response to load changes, useful for intermittent cargo heating demands
- Proven field service with defined weekly burner inspection schedule
- Requires frequent (weekly) nozzle cleaning when running heavy fuel oil, increasing maintenance workload
- Sensitive to feed‑water quality; corrosion reported if water treatment is inadequate
- Fire‑resistant lining prone to thermal fatigue cracking under cyclic loads
- Safety valve leakage observed due to calcium deposits on the seat
- Burner nozzle fouling during HFO operation — weekly cleaning required.
- Speisewasser-Aufbereitungsfehler verursacht Rohr-Korrosion
- Refractory material cracking from thermal cycling stress.
- Safety valve leakage due to lime deposits on the seat
Zöllner Signal
2Aalborg
1
- Burner or heat-source faults reduce heat output and cause flame, temperature or pressure alarms
- Feedwater, circulation or level-control faults cause unstable operation and protective trips
- Soot, scale or internal deposits reduce heat transfer and cause poor output or abnormal temperatures
- Tube, coil, gasket or valve leakage causes visible water, steam, oil or fuel leakage and pressure loss
- Control, fan, flame-monitoring or safety-device faults cause repeated trips or failure of the normal operating sequence
- Very compact footprint – fits in limited engine‑room spaces
- Fast steam generation with low water inventory
- Proven design with simple single‑burner arrangement
- Good fuel efficiency for moderate steam loads
- Compatible with standard marine oil fuels
- Sensitive to fuel and water quality – fouling of the atomiser tip is common
- Flame lockout can cause temporary loss of steam if water level control drifts
- Limited maximum steam output compared with larger fire‑tube boilers
- Tube leakage risk requires diligent water‑treatment regime
- Single‑burner layout offers limited redundancy
AIK Flammadur Brandschutz
1AMI Marine
1
asg Bremerhaven
1BOSVIK
1BREIZELEC - MANTAGUA
1Canel & Sohn GmbH &
1ComNav Marine
1CONSOLITE TECHNOLOGY
1CSSC Marine Technology
1Daeyang Instrument
1DECKMA-Decksmaschinen und Automation Vertriebsgesellschaft mit beschränkter Haftung
1Eckhard Knoll
1Erling Vatnes Treprodukter
1EXAIL
1EXAIL SAS
1FLIR TransponderTech
1G.E.M. ELETTRONICA
1GLAMOX NT
1GME
1Inelteh d.o.o
1Jiangsu Lisheng Marine Equipment Manufacturing
1Jiangyan City Marine Outfitting
1Jiangyin Haisheng Marine Outfitting & Decoration
1Jiangyin Xijiao Marine Fittings Plant
1Jiangyin Yongda Cord Net
1K2W Lights UG (haftungsbeschränkt)
1Karl Dose
1Kongsberg
1LS POWER SOLUTION
1Marine Data Systems
1McMurdo
1Nantong Baisheng New Material Technology
1Nantong Saiyang Electronics
1NAVANTIA S.A., S.M.E
1Navico
1Navico RBU Italia
1Navis Engineering
1NAVTOR
1NORIS Automation
1OBA Tradizione Futura
1OneOcean Group
1OXLEY DEVELOPMENTS
1Praxis Automation Technology
1Robin Radar Systems
1Saacke Qingdao Marine Boiler
1SAN Engineering
1Sartech Engineering
1Sea Cross Marine
1SEASTEMA
1Shanghai Flagship Marine Technology
1Shiptron Trading
1SPDE 'Musson-Morsviaz-Servis'
1Sunil Elecomm
1Taicang City Haisheng Marine Fittings
1Taixing Risen Marine
1Taizhou Fangle Auto Parts
1Tecklenborg, Kegel
1TMS Solution
1TOKYO KEIKI INC. Yaita Plant
1
- Burner nozzle fouling during HFO operation — weekly cleaning required.
- Speisewasser-Aufbereitungsfehler verursacht Rohr-Korrosion
- Refractory material cracking from thermal cycling stress.
- Safety valve leakage due to lime deposits on the seat