Side-Rolling Hatch Cover

critical IMO Required 359 models total

Side-rolling covers move cargo hold panels sideways on wheeled bogies riding rails along the coaming, opening the hold in one motion without cranes, unlike pontoon covers that must be lifted clear individually.

Read more — Side-Rolling Hatch Cover explained ▾

What Sets a Side-Rolling Cover Apart

A side-rolling hatch cover consists of a row of steel panels, each running on wheels or bogies along a rail fixed to the hatch coaming, that roll sideways to stack clear of the hatch opening rather than being lifted vertically. This distinguishes it from pontoon covers, which are individual panels craned on and off, and from folding covers, which hinge and stack upward on hydraulic rams. Side-rolling covers are common on bulk carriers and general cargo ships where fast, self-contained opening matters and where deck space to each side of the hatch is available for the stowed panels to park. Because the panels roll on their own wheels, opening and closing does not depend on shore cranes, which is the main reason the type is chosen over pontoons on vessels that load and discharge at ports with limited cargo-handling equipment.

Side-rolling hatch cover arrangement — Plan view of a side-rolling hatch cover showing panels riding on wheeled bogies along rails on the coaming, moved sideways by the cross-haul wire to stow clear of the open hold.

Main Components

Cover panels

Steel-plated, stiffened panels sized to span the hold width in one or two rows per hatch, each carrying its share of the deck cargo and green-sea load when closed.

Wheels and rail track

Wheels are mounted on the underside of each panel and run on a rail welded along the coaming top or side; rail alignment and wheel condition directly determine how freely the panels move.

Cleats and compression system

Hydraulic or mechanical cleats pull each panel down onto a rubber gasket seated in the coaming to achieve a weathertight seal once the cover is closed; the compression must be even along the full length of the panel or the seal leaks at the low points.

Chain or wire haulage system

Panels are typically linked by chains or wire ropes to a hydraulic motor or winch so the full row moves together in a single-pull or double-pull arrangement, stacking at one or both ends of the hatch.

Selection and Sizing

Sizing follows the hold geometry rather than a standard catalogue size, so the figures that matter when comparing offers are:

Hatch opening dimensions and the available stowage length for stacked panels to each side
Design load: deck cargo, container stacking loads if containers are carried on the closed hatch, and green sea loading per class rules
Single-pull versus double-pull arrangement, which affects opening time and the machinery needed
Steel grade and coating specification for the panels and rail, given continuous exposure to green water

Regulations and Class

Hatch cover weathertightness and strength are governed by the applicable Load Line Convention requirements and IACS Unified Requirements on hatch cover strength and securing, which set minimum plate thickness, stiffener scantlings and the design sea loads the cover must withstand. Class surveys include periodic hatch cover weathertightness testing, commonly by hose test or ultrasonic gap gauging of the compression seal, at intervals set out in the vessel's class survey scheme. A cover that fails the weathertightness test is a recordable deficiency and, if the leakage risk affects cargo or stability, can hold up sailing until rectified.

Typical Faults

Fault	Cause	Consequence
Worn or misaligned wheels	Rail corrosion, lack of lubrication, panel overload	Panels bind or derail during opening, delaying cargo operations
Perished compression rubber	UV and salt exposure, age, cargo residue on the gasket seat	Water ingress into the hold, cargo wetting damage claims
Uneven cleat compression	Bent cleats, worn hydraulic seals, distorted panel	Localised leaks even where most of the seal tests tight
Chain or wire stretch	Cyclic loading, inadequate tensioning maintenance	Panels fail to close fully square, seal gap opens at one end

What to Look for in a Supplier

Scantling calculations referenced to the vessel's class society and confirmed against the actual hold geometry
Compatibility of the new cover's rail and cleat spacing with the existing coaming if it is a replacement rather than a newbuilding fit
Coating specification suited to the trade, since a cover in a corrosive cargo trade needs a different system than one in dry bulk grain service
Availability of wheels, gaskets and cleat spares as separate line items, not only as a complete cover assembly

Check wheel and rail wear before every long ballast passage in open water — a cover that rolls stiffly in port can bind completely once the ship works in a seaway, and that is the wrong time to find out.

4000h

Service Interval

Typical Manufacturers

MacGregor TTS

Inspector Mode Show All 359 total

8 manufacturers · 359 models

MacGregor / Cargotec

2 ✓ 2 verified

Side-Rolling Hatch Cover ✓ verified

Common Failures & Inspection Points

Area: Rail wheel and track inspection for corrosion, debris accumulation, and bearing wear (monthly)
Check: Rail wheel and track inspection for corrosion, debris accumulation, and bearing wear (monthly)
Area: Rubber packing (compression bar) integrity check for degradation, cracking, or separation from frame (every 6 months)
Check: Rubber packing (compression bar) integrity check for degradation, cracking, or separation from frame (every 6 months)
Area: Panel alignment and rail alignment verification for misalignment or derailment risk (at drydock)
Check: Panel alignment and rail alignment verification for misalignment or derailment risk (at drydock)
Area: Drive chain or rack lubrication and wear inspection for elongation or slippage (monthly)
Check: Drive chain or rack lubrication and wear inspection for elongation or slippage (monthly)
Area: Hydraulic/electric drive system pressure, fluid condition, and actuator seal inspection (before each cargo operation)
Check: Hydraulic/electric drive system pressure, fluid condition, and actuator seal inspection (before each cargo operation)
Area: Panel movement and actuation testing for smooth operation without binding or vibration
Check: Panel movement and actuation testing for smooth operation without binding or vibration
Area: Drain channel and water weeping system patency to prevent standing water behind seals
Check: Drain channel and water weeping system patency to prevent standing water behind seals
Area: Hatch coaming surface condition for corrosion, deformation, or debris interference with seal surface (affecting tightness per SOLAS/IMO)
Check: Hatch coaming surface condition for corrosion, deformation, or debris interference with seal surface (affecting tightness per SOLAS/IMO)

Typ-universelle Inspektionspunkte fuer Hatch Covers & Cargo Access (verifiziert, 2026-06).

[08.08.2026] Datenblattlink entfernt (fehler 404): https://www.macgregor.com/Products/products/hatch-covers/side-rolling-hatch-covers/

Datasheet

MacGregor / Cargotec MacRack Electric Drive Hatch Cover

MacRack Electric Drive Hatch Cover ✓ verified

Common Failures & Inspection Points

Area: Rail wheel and track inspection for corrosion, debris accumulation, and bearing wear (monthly)
Check: Rail wheel and track inspection for corrosion, debris accumulation, and bearing wear (monthly)
Area: Rubber packing (compression bar) integrity check for degradation, cracking, or separation from frame (every 6 months)
Check: Rubber packing (compression bar) integrity check for degradation, cracking, or separation from frame (every 6 months)
Area: Panel alignment and rail alignment verification for misalignment or derailment risk (at drydock)
Check: Panel alignment and rail alignment verification for misalignment or derailment risk (at drydock)
Area: Drive chain or rack lubrication and wear inspection for elongation or slippage (monthly)
Check: Drive chain or rack lubrication and wear inspection for elongation or slippage (monthly)
Area: Hydraulic/electric drive system pressure, fluid condition, and actuator seal inspection (before each cargo operation)
Check: Hydraulic/electric drive system pressure, fluid condition, and actuator seal inspection (before each cargo operation)
Area: Panel movement and actuation testing for smooth operation without binding or vibration
Check: Panel movement and actuation testing for smooth operation without binding or vibration
Area: Drain channel and water weeping system patency to prevent standing water behind seals
Check: Drain channel and water weeping system patency to prevent standing water behind seals
Area: Hatch coaming surface condition for corrosion, deformation, or debris interference with seal surface (affecting tightness per SOLAS/IMO)
Check: Hatch coaming surface condition for corrosion, deformation, or debris interference with seal surface (affecting tightness per SOLAS/IMO)

Typ-universelle Inspektionspunkte fuer Hatch Covers & Cargo Access (verifiziert, 2026-06).

[08.08.2026] Datenblattlink entfernt (fehler 404): https://www.macgregor.com/Products/products/hatch-covers/side-rolling-hatch-covers--macrack/

Datasheet

MacGregor

102

Side-Rolling HC

1.75 t/m² load capacity · Cargo Hold Access · hydraulic side‑rolling hatch cover

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Service: Check rail alignment at every dry-dock. Cross-joint packing replacement as needed.

Spare Parts: MacGregor: spare parts per manufacturer. Lead time: 3–8 weeks. Keep seals and valve inserts on board.

Strengths

Fast opening/closing (slow‑to‑medium speed) reduces port turnaround time
Compact side‑stowage frees valuable deck area for additional equipment or cargo handling gear
Multiple panel configurations (2–6 panels) allow tailoring to hold size and shape
Robust sealing options (FlexSeal, Cat‑Profile, Omega, etc.) meet SOLAS watertight integrity requirements
Corrosion‑resistant components (stainless steel rods, bronze bearings) extend service life in harsh marine environments

Weaknesses

Complex hydraulic system requires regular oil analysis and periodic filter changes; leaks can be costly to repair
Wear of gaskets, compression struts and bearing pads is a common maintenance item that must be inspected each dry‑dock
Side‑rolling mechanism needs sufficient side clearance on deck; retrofitting older vessels may be limited by space constraints
Higher initial capital cost compared with simple hinged or lift‑type covers

Typical Vessels: Panamax bulk carrierCapesize bulk carrierHandysize/Handymax dry bulk vesselMulti‑purpose cargo ship

Certifications: DNV class approvalABS class approvalLloyd's Register approvalIMO SOLAS watertight integrity compliance

Decision Guide: Choose if you need rapid hatch operation, want to maximise deck space and operate bulk cargo vessels up to Panamax/Capesize size. Avoid if the ship lacks side clearance for the rolling panels or if a low‑maintenance, low‑cost simple flap cover is preferred.

Use Cases: Widely installed on new‑build and retrofitted dry‑bulk carriers where fast loading/unloading of coal, ore or grain is critical. The side‑rolling design is favoured in vessels with limited deck height because the panels fold into a narrow recess rather than stacking vertically.

Manufacturer Datasheet

Datasheet

Side-Rolling SR-24

Weather-tight per ICLL · Cargo Hold Access · Hydraulic side-rolling

Type

side_rolling

Actuation

chain_driven

Panels

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Service: Lubricate track rollers weekly; inspect chain tension monthly.

Spare Parts: MacGregor: spare parts per manufacturer. Lead time: 3–8 weeks. Keep seals and valve inserts on board.

Strengths

Efficient cargo handling due to its side-rolling design
Reliable operation with chain-driven actuation
Suitable for a variety of cargo types
Easy maintenance access
Space-saving design

Weaknesses

Higher initial investment compared to some other hatch cover types
Potential for track roller bearing failure if not properly maintained
Chain drive wear can lead to operational issues if not regularly inspected
Panel derailment possible if not correctly aligned
Regular lubrication of track rollers is required

Typical Vessels: ContainerBulk CarrierGeneral Cargo

Certifications: DNVABS

Decision Guide: Choose if you prioritize efficient cargo handling and have the budget for a reliable, low-maintenance side-rolling hatch cover system. Avoid if your vessel requires frequent panel opening and closing, as the chain-driven mechanism might not be the most efficient for such operations.

Use Cases: Typically deployed on container ships, bulk carriers, and general cargo vessels where efficient and reliable cargo access is crucial.

Manufacturer Datasheet

Datasheet

Side-Rolling SR-18

Weather-tight per ICLL · Cargo Hold Access · hydraulic side‑rolling hatch cover

Type

side_rolling

Panels

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Service: Keep tracks clean and painted; check motor current draw.

Spare Parts: MacGregor: spare parts per manufacturer. Lead time: 3–8 weeks. Keep seals and valve inserts on board.

Strengths

Fast operation (hydraulic drive) reduces port stay time
Side‑roll design frees valuable deck space compared with traditional swing covers
Multiple sealing options (FlexSeal, Cat‑Profile, Omega etc.) give high watertight integrity
Corrosion‑resistant components (stainless‑steel rods, bronze bearings) extend service life in marine environments
Integrated hydraulic heating/cooling minimises fluid viscosity changes in cold water operations

Weaknesses

Complex hydraulic system requires regular oil analysis, filter change and occasional cylinder overhaul
Gasket and compression‑rod wear demand frequent visual and tactile inspections; replacement can be costly
Higher initial procurement cost versus simple swing‑type covers
Bearing pads (Fixpad/Flexipad) must be monitored for wear; excessive wear compromises seal compression
Installation requires precise alignment; retro‑fitting on existing vessels may be labour intensive

Typical Vessels: Panamax bulk carrierCapesize ore carrierHandymax/Handysize bulk carrierGeneral cargo vessel with side‑roll hatch requirement

Certifications: DNV class approvalIMO SOLAS D‑2 (watertight integrity)

Decision Guide: Choose the SR‑18 when rapid hatch operation, limited deck space and high watertight performance are critical – e.g., bulk carriers operating on tight schedules or in cold climates. Avoid if the operator lacks a structured hydraulic maintenance programme or if budget constraints make simpler swing covers more attractive.

Use Cases: Deployed on bulk carriers loading coal, grain, iron ore or bauxite via gantry cranes where quick turnaround is essential; also used on vessels operating in high‑latitude ports where heated hydraulics prevent freezing and side‑roll stowage maximises deck cargo handling flexibility.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling SR 12m

12m hold · Side-Rolling

Hatch Type

side_rolling

Cargo hold length (m)

Weathertight

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

MacGregor side-rolling hatch cover for 12m hold

Datasheet

MacGregor Side-Rolling SR 15m

15m hold · Side-Rolling

Hatch Type

side_rolling

Cargo hold length (m)

Weathertight

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

MacGregor side-rolling hatch cover for 15m hold

Datasheet

MacGregor Side-Rolling SR 18m

18m hold · Side-Rolling

Hatch Type

side_rolling

Cargo hold length (m)

Weathertight

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

MacGregor side-rolling hatch cover for 18m hold

Datasheet

MacGregor Side-Rolling SR 21m

21m hold · Side-Rolling

Hatch Type

side_rolling

Cargo hold length (m)

Weathertight

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

MacGregor side-rolling hatch cover for 21m hold

Datasheet

MacGregor Side-Rolling Hold-1 Small 10x8m

Hatch Type

Side-Rolling

Hold number

Size

Small 10x8m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-1 Medium 16x12m

Hatch Type

Side-Rolling

Hold number

Size

Medium 16x12m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-1 Large 20x18m

Hatch Type

Side-Rolling

Hold number

Size

Large 20x18m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-1 XL 25x20m

Hatch Type

Side-Rolling

Hold number

Size

XL 25x20m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-2 Small 10x8m

Hatch Type

Side-Rolling

Hold number

Size

Small 10x8m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-2 Medium 16x12m

Hatch Type

Side-Rolling

Hold number

Size

Medium 16x12m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-2 Large 20x18m

Hatch Type

Side-Rolling

Hold number

Size

Large 20x18m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-2 XL 25x20m

Hatch Type

Side-Rolling

Hold number

Size

XL 25x20m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-3 Small 10x8m

Hatch Type

Side-Rolling

Hold number

Size

Small 10x8m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-3 Medium 16x12m

Hatch Type

Side-Rolling

Hold number

Size

Medium 16x12m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-3 Large 20x18m

Hatch Type

Side-Rolling

Hold number

Size

Large 20x18m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-3 XL 25x20m

Hatch Type

Side-Rolling

Hold number

Size

XL 25x20m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-4 Small 10x8m

Hatch Type

Side-Rolling

Hold number

Size

Small 10x8m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-4 Medium 16x12m

Hatch Type

Side-Rolling

Hold number

Size

Medium 16x12m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-4 Large 20x18m

Hatch Type

Side-Rolling

Hold number

Size

Large 20x18m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-4 XL 25x20m

Hatch Type

Side-Rolling

Hold number

Size

XL 25x20m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-5 Small 10x8m

Hatch Type

Side-Rolling

Hold number

Size

Small 10x8m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-5 Medium 16x12m

Hatch Type

Side-Rolling

Hold number

Size

Medium 16x12m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-5 Large 20x18m

Hatch Type

Side-Rolling

Hold number

Size

Large 20x18m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-5 XL 25x20m

Hatch Type

Side-Rolling

Hold number

Size

XL 25x20m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-6 Small 10x8m

Hatch Type

Side-Rolling

Hold number

Size

Small 10x8m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-6 Medium 16x12m

Hatch Type

Side-Rolling

Hold number

Size

Medium 16x12m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-6 Large 20x18m

Hatch Type

Side-Rolling

Hold number

Size

Large 20x18m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-6 XL 25x20m

Hatch Type

Side-Rolling

Hold number

Size

XL 25x20m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-7 Small 10x8m

Hatch Type

Side-Rolling

Hold number

Size

Small 10x8m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-7 Medium 16x12m

Hatch Type

Side-Rolling

Hold number

Size

Medium 16x12m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-7 Large 20x18m

Hatch Type

Side-Rolling

Hold number

Size

Large 20x18m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-7 XL 25x20m

Hatch Type

Side-Rolling

Hold number

Size

XL 25x20m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-8 Small 10x8m

Hatch Type

Side-Rolling

Hold number

Size

Small 10x8m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-8 Medium 16x12m

Hatch Type

Side-Rolling

Hold number

Size

Medium 16x12m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-8 Large 20x18m

Hatch Type

Side-Rolling

Hold number

Size

Large 20x18m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-8 XL 25x20m

Hatch Type

Side-Rolling

Hold number

Size

XL 25x20m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-9 Small 10x8m

Hatch Type

Side-Rolling

Hold number

Size

Small 10x8m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-9 Medium 16x12m

Hatch Type

Side-Rolling

Hold number

Size

Medium 16x12m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-9 Large 20x18m

Hatch Type

Side-Rolling

Hold number

Size

Large 20x18m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling Hold-9 XL 25x20m

Hatch Type

Side-Rolling

Hold number

Size

XL 25x20m

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 8x6m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 8x8m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 10x6m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 10x8m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 10x10m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 12x6m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 12x8m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 12x10m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 12x12m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 14x6m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 14x8m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 14x10m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 14x12m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 14x14m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 16x6m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 16x8m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 16x10m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 16x12m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 16x14m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 16x16m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 18x6m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 18x8m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 18x10m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 18x12m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 18x14m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 18x16m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 18x18m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 20x6m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 20x8m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 20x10m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 20x12m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 20x14m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 20x16m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 20x18m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 20x20m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 22x6m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 22x8m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 22x10m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 22x12m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 22x14m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 22x16m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 22x18m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 22x20m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 24x6m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 24x8m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 24x10m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 24x12m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 24x14m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 24x16m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 24x18m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 24x20m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 26x6m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 26x8m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 26x10m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 26x12m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 26x14m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 26x16m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 26x18m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

MacGregor Side-Rolling 26x20m-C

Width (m)

Length (m)

Hatch Type

Side-Rolling

Technical Specifications

Antriebssystem: Hydraulic cylinders or motors with slow to medium speed, integrated load-holding valves
Paneelbauart: Two to six panels per cargo hatch, double steel skins (folded covers) or single steel skins (rolling covers)
Dichtungssysteme: FlexSeal, Cat-Profile, C-Seal, Omega, Omega Lite or foam rubber with compression rods
Lagerpads: Fixpad, Flexipad, Lubripad or Unipad — weight transfer during ship movement
Hydraulik-Befüllung: Speziell für Seeeinsatz ausgelegt, integrierte Heiz-/Kühlanlage, Tank-Größe minimal zur Decklatzersparnis
Korrosionsschutz: Stainless steel piston rods or stainless steel sleeves, bronze ball bearings, lubrication nipples between seal rings

Product Lines

Side-Rolling (standard Panamax/Capesize)
Folding (Handysize/Handymax)
Piggy-Back (space-constrained decks)
Lift-On/Lift-Off (multi-purpose)
Single-Flap (compact design)
Stacking (weather decks)
Hydraulic-Pivoting (vertical stowage)

Common Failures & Inspection Points

Area: Rubber seals (gaskets) age/harden through ozone and UV or show wear signs
Check: Visual inspection for discoloration, cracks, deformation; tactile inspection of elasticity. Damaged sections (minimum 1 m length) must be replaced. Do not apply oil/grease products. Validate with ultrasonic leak detection test.
Area: Compression rods corrode, bend or show rough surfaces — compromises sealing and destroys rubber
Check: Surface inspection for corrosion and scratches. Check straightness with steel ruler. Damaged rods must be properly replaced/repaired and realigned (alignment critical for even compression).
Area: Hydraulic cylinder leaks, piston rods corroded or oil contamination reduces functionality
Check: Check oil level. Take oil samples and analyze quarterly for contamination. Oil change every 5 years; replace filter annually. Inspect piston rods for corrosion/scratches. For leaks inspect seal rings and cylinder block. Lubricate grease nipples between seal rings.
Area: Drainage system clogged or check valves not functioning — water backs up and causes rusting/water ingress into cargo hold
Check: Inspect drainage channels for blockage (visual, if necessary with wire probe). Test check valves opening/closing manually (ball should move freely, not be hardened). Inspect drainage holes in cargo hold corners. Clean or replace if fouled.
Area: Bearing pads (Bearing Pads: Fixpad, Flexipad, Lubripad, Unipad) worn — reduced height no longer compresses rubber correctly or increases wear
Check: Measure pad height against manufacturer specification. Wear of 4 mm or more destroys rubber seal. Damaged pads must be replaced with original spare parts of same size and material (involve specialists). Check movement between panel and cargo hold edge with pencil test.
Area: Leaks at compression/sealing joints undetectable or compression strength insufficient (flat or corroded steel surfaces)
Check: Perform ultrasonic tightness test: place ultrasonic generator in closed cargo hold, run sensor receiver outside around all joints. Signal strength shows compression quality. Additionally chalk test: rub compression rods with chalk, imprint shows uneven compression. Hose test in empty cargo holds (0.5 m/s, 12 mm nozzle, 1–1.5 m distance) as validation.

Typ-universelle Inspektions-/Wartungspunkte fuer Hatch Covers & Cargo Access (MacGregor + DNV/OSHA, 2026-06). Per-Modell-Specs NICHT auto-gefuellt.

Manufacturer Datasheet

Datasheet

TTS Marine

TTS Side-Rolling Cover

Weather-tight per ICLL · Cargo Hold Access · chain-pulled side-rolling hatch cover

Type

side_rolling

Actuation

chain_pulled

Common Failures & Inspection Points

Hydraulic, chain, wire or electric-drive faults cause uneven movement, drift or inability to open or close
Hinge, wheel, rail or bearing wear causes misalignment, binding or abnormal noise
Locking-device or limit-switch faults cause incomplete secure indication or blocked operating sequence
Seal damage, compression loss or coaming corrosion causes water ingress
Structural cracking, corrosion or deformation causes poor fit and unsafe load transfer

Service: Inspect panels, coamings, hinges or rails, hydraulic or electric drive, locks, seals, drains, limit switches and structural welds. Verify closing, securing and indication before sailing. Review hose condition and structural inspection or test records. Refer to manufacturer and class documentation for the exact figure for operating pressures, loads, seal compression and wear limits.

Spare Parts: Carry hydraulic seals and hoses where applicable, lock and limit-switch parts, hinge or wheel service items, sealing sections, fuses and control relays.

Strengths

Compact footprint – the cover rolls into a drum, freeing deck space when open.
Low power requirement – can be operated manually or with minimal hydraulic assistance.
Robust steel construction provides high impact resistance for heavy‑cargo vessels.
Integrated gasket system gives good watertight sealing when properly maintained.

Weaknesses

Chain stretch over time necessitates regular measurement and eventual replacement.
Roller wheels can develop flat spots, requiring periodic inspection and swap at ~5% wear.
Panel gap seals may leak if not aligned precisely after repeated cycles.
Opening width is limited compared with swing‑type covers; large hatch openings may need multiple units.

Typical Vessels: Bulk CarrierProduct TankerChemical TankerOffshore Supply VesselGeneral Cargo Ship

Decision Guide: Choose if you need a space‑saving hatch that can be operated with low power and is suitable for retro‑fitting existing cargo holds. Avoid on vessels requiring very large, high‑frequency openings or where fully automated hydraulic actuation is mandatory.

Use Cases: Bulk carriers, general cargo ships, RoRo ferries and vehicle carriers.

Datasheet

TTS Side-Rolling Small unverified

Hatch Type

Side-Rolling

Size

Small

Common Failures & Inspection Points

Seal wear, compression loss or damaged landing surfaces causes water ingress into the cargo hold
Hinge, wheel, chain or hydraulic drive wear causes misalignment, binding or uneven movement
Cleat or securing-device faults cause incomplete closing pressure or loose panels
Coaming corrosion, drain blockage or structural cracking causes leakage and loss of structural integrity
Limit-switch or control faults cause blocked operating sequence or incorrect open and closed indication

Service: Inspect panels, coamings, rubber seals, compression bars, drains, cleats, hinges or wheels and operating machinery. Check for corrosion, cracking and correct seal contact and keep drainage channels clear. Verify closing and securing before sailing and review hose-test or other approved tightness checks. Refer to manufacturer and class documentation for the exact figure for seal compression, load and wear limits.

Spare Parts: Carry sealing rubber or repair sections, cleat and hinge parts, hydraulic seals or hoses where applicable, wheels or bearings, limit switches and approved fasteners.

Use Cases: Bulk carriers, general cargo ships and other vessels with weather-exposed cargo hatches.

Datasheet

TTS Side-Rolling Medium unverified

Hatch Type

Side-Rolling

Size

Medium

Common Failures & Inspection Points

Hydraulic leakage or actuator failure caused by hose, cylinder, pump or valve faults, resulting in slow, uneven or unavailable movement
Hinge, roller, bearing or pin wear caused by cyclic loading and corrosion, resulting in play, noise or misalignment
Locking-device or interlock failure caused by wear, contamination or sensor faults, resulting in inability to secure the opening or persistent alarms
Seal deterioration caused by compression set, damage or contamination, resulting in water ingress or failure of the required closing condition
Structural cracking or deformation caused by impact, overload or fatigue, resulting in visible distortion or survey findings

Service: Inspect hinges, rollers, pins, bearings, hydraulic equipment, locking devices, seals, controls, foundations and high-load structural areas. Function-test limit switches, position indication, interlocks and emergency stopping arrangements with the operating area clear. Check hydraulic hoses and cylinders or electric drives according to the installed design. Examine structural welds for corrosion, cracking or impact damage. Verify all locks are fully engaged and the required closing indication is obtained before sea passage. Refer to the manufacturer documentation for the exact figure for inspection intervals, test loads, closing criteria and wear limits.

Spare Parts: Keep seals, hydraulic hoses or cylinder service parts where applicable, limit switches, sensors, locking-device consumables, rollers, bearings and manufacturer-recommended drive components. Critical structural and locking parts must match the approved system. Heavy panels and ramp assemblies are normally strategic spares.

Use Cases: Cargo-hold and vehicle-deck access on bulk carriers, container ships, RoRo ships, ferries and other vessels fitted with powered or movable cargo-access structures.

Datasheet

TTS Side-Rolling Large unverified

Hatch Type

Side-Rolling

Size

Large

Common Failures & Inspection Points

Seal wear, compression loss or damaged landing surfaces causes water ingress into the cargo hold
Hinge, wheel, chain or hydraulic drive wear causes misalignment, binding or uneven movement
Cleat or securing-device faults cause incomplete closing pressure or loose panels
Coaming corrosion, drain blockage or structural cracking causes leakage and loss of structural integrity
Limit-switch or control faults cause blocked operating sequence or incorrect open and closed indication

Spare Parts: Carry sealing rubber or repair sections, cleat and hinge parts, hydraulic seals or hoses where applicable, wheels or bearings, limit switches and approved fasteners.

Use Cases: Bulk carriers, general cargo ships and other vessels with weather-exposed cargo hatches.

Datasheet

TTS Side-Rolling XL unverified

Hatch Type

Side-Rolling

Size

Common Failures & Inspection Points

Seal wear, compression loss or damaged landing surfaces causes water ingress into the cargo hold
Hinge, wheel, chain or hydraulic drive wear causes misalignment, binding or uneven movement
Cleat or securing-device faults cause incomplete closing pressure or loose panels
Coaming corrosion, drain blockage or structural cracking causes leakage and loss of structural integrity
Limit-switch or control faults cause blocked operating sequence or incorrect open and closed indication

Spare Parts: Carry sealing rubber or repair sections, cleat and hinge parts, hydraulic seals or hoses where applicable, wheels or bearings, limit switches and approved fasteners.

Use Cases: Bulk carriers, general cargo ships and other vessels with weather-exposed cargo hatches.

Datasheet

TTS Marine Side-Rolling 8x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Service: Inspect load-bearing structure, brakes, locks, ropes or chains, rollers or sheaves, pins, bearings, drives, controls and foundations as applicable. Lubricate specified points and inspect hydraulic hoses or electrical equipment according to drive type. Function-test local and remote controls, limit devices, emergency stops and interlocks using approved procedures. Examine high-load welds and line-contact areas for corrosion, cracking, deformation or sharp edges. Keep personnel clear of suspended loads and snap-back or pinch zones during tests. Refer to the manufacturer documentation for the exact figure for load tests, allowable wear, brake settings and inspection criteria.

Spare Parts: Keep brake or locking service parts, seals, bearings, hydraulic hose or valve consumables, control switches, sensors and manufacturer-recommended rope, roller or sheave wear parts. Heavy structural, gear and load-bearing components are normally strategic spares.

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 8x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 10x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 10x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 10x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 12x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 12x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 12x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 12x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 14x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 14x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 14x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 14x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 14x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 16x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 16x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 16x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 16x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 16x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 16x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 18x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 18x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 18x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 18x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 18x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 18x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 18x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 20x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 20x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 20x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 20x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 20x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 20x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 20x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 20x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 22x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 22x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 22x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 22x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 22x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 22x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 22x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 22x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 24x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 24x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 24x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 24x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 24x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 24x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 24x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 24x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 26x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 26x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 26x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 26x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 26x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 26x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 26x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

TTS Marine Side-Rolling 26x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

Coops & Nieborg

C&N Side-Rolling Type A unverified

Hatch Type

Side-Rolling

Variant

Type A

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

C&N Side-Rolling Type B unverified

Hatch Type

Side-Rolling

Variant

Type B

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

C&N Side-Rolling Type C unverified

Hatch Type

Side-Rolling

Variant

Type C

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

C&N Side-Rolling Type D unverified

Hatch Type

Side-Rolling

Variant

Type D

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

Coops & Nieborg Side-Rolling 8x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Service: Inspect panels, coamings, seals, compression bars, cleats, hinges/rollers, drainage and hydraulic or mechanical operating gear. Verify even closing and weather-tight condition using the vessel’s approved test method. Dimensional wear limits and repair tolerances must follow class and manufacturer documentation.

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 8x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 10x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 10x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 10x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 12x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 12x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 12x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 12x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 14x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 14x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 14x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 14x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 14x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 16x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 16x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 16x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 16x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 16x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 16x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 18x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 18x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 18x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 18x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 18x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 18x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 18x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 20x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 20x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 20x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 20x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 20x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 20x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 20x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 20x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 22x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 22x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 22x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 22x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 22x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 22x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 22x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 22x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 24x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 24x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 24x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 24x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 24x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 24x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 24x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 24x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 26x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 26x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 26x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 26x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 26x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 26x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 26x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Coops & Nieborg Side-Rolling 26x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

IHC Marine

IHC Side-Rolling Small unverified

Size

Small

Common Failures & Inspection Points

Seal wear, compression loss or damaged landing surfaces causes water ingress into the cargo hold
Hinge, wheel, chain or hydraulic drive wear causes misalignment, binding or uneven movement
Cleat or securing-device faults cause incomplete closing pressure or loose panels
Coaming corrosion, drain blockage or structural cracking causes leakage and loss of structural integrity
Limit-switch or control faults cause blocked operating sequence or incorrect open and closed indication

Spare Parts: Carry sealing rubber or repair sections, cleat and hinge parts, hydraulic seals or hoses where applicable, wheels or bearings, limit switches and approved fasteners.

Use Cases: Bulk carriers, general cargo ships and other vessels with weather-exposed cargo hatches.

Datasheet

IHC Side-Rolling Medium unverified

Size

Medium

Common Failures & Inspection Points

Hydraulic leakage or actuator failure caused by hose, cylinder, pump or valve faults, resulting in slow, uneven or unavailable movement
Hinge, roller, bearing or pin wear caused by cyclic loading and corrosion, resulting in play, noise or misalignment
Locking-device or interlock failure caused by wear, contamination or sensor faults, resulting in inability to secure the opening or persistent alarms
Seal deterioration caused by compression set, damage or contamination, resulting in water ingress or failure of the required closing condition
Structural cracking or deformation caused by impact, overload or fatigue, resulting in visible distortion or survey findings

Use Cases: Cargo-hold and vehicle-deck access on bulk carriers, container ships, RoRo ships, ferries and other vessels fitted with powered or movable cargo-access structures.

Datasheet

IHC Side-Rolling Large unverified

Size

Large

Common Failures & Inspection Points

Seal wear, compression loss or damaged landing surfaces causes water ingress into the cargo hold
Hinge, wheel, chain or hydraulic drive wear causes misalignment, binding or uneven movement
Cleat or securing-device faults cause incomplete closing pressure or loose panels
Coaming corrosion, drain blockage or structural cracking causes leakage and loss of structural integrity
Limit-switch or control faults cause blocked operating sequence or incorrect open and closed indication

Spare Parts: Carry sealing rubber or repair sections, cleat and hinge parts, hydraulic seals or hoses where applicable, wheels or bearings, limit switches and approved fasteners.

Use Cases: Bulk carriers, general cargo ships and other vessels with weather-exposed cargo hatches.

Datasheet

IHC Marine Side-Rolling 8x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 8x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 10x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 10x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 10x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 12x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 12x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 12x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 12x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 14x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 14x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 14x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 14x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 14x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 16x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 16x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 16x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 16x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 16x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 16x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 18x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 18x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 18x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 18x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 18x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 18x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 18x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 20x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 20x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 20x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 20x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 20x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 20x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 20x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 20x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 22x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 22x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 22x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 22x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 22x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 22x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 22x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 22x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 24x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 24x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 24x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 24x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 24x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 24x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 24x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 24x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 26x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 26x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 26x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 26x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 26x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 26x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 26x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IHC Marine Side-Rolling 26x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine

IMM Side-Rolling Class I unverified

Variant

Class I

Common Failures & Inspection Points

Hydraulic leakage or actuator failure caused by hose, cylinder, pump or valve faults, resulting in slow, uneven or unavailable movement
Hinge, roller, bearing or pin wear caused by cyclic loading and corrosion, resulting in play, noise or misalignment
Locking-device or interlock failure caused by wear, contamination or sensor faults, resulting in inability to secure the opening or persistent alarms
Seal deterioration caused by compression set, damage or contamination, resulting in water ingress or failure of the required closing condition
Structural cracking or deformation caused by impact, overload or fatigue, resulting in visible distortion or survey findings

Use Cases: Cargo-hold and vehicle-deck access on bulk carriers, container ships, RoRo ships, ferries and other vessels fitted with powered or movable cargo-access structures.

Datasheet

IMM Side-Rolling Class II unverified

Variant

Class II

Common Failures & Inspection Points

Hydraulic leakage or actuator failure caused by hose, cylinder, pump or valve faults, resulting in slow, uneven or unavailable movement
Hinge, roller, bearing or pin wear caused by cyclic loading and corrosion, resulting in play, noise or misalignment
Locking-device or interlock failure caused by wear, contamination or sensor faults, resulting in inability to secure the opening or persistent alarms
Seal deterioration caused by compression set, damage or contamination, resulting in water ingress or failure of the required closing condition
Structural cracking or deformation caused by impact, overload or fatigue, resulting in visible distortion or survey findings

Use Cases: Cargo-hold and vehicle-deck access on bulk carriers, container ships, RoRo ships, ferries and other vessels fitted with powered or movable cargo-access structures.

Datasheet

IMM Side-Rolling Class III unverified

Variant

Class III

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 8x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 8x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 10x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 10x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 10x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 12x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 12x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 12x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 12x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 14x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 14x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 14x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 14x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 14x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 16x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 16x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 16x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 16x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 16x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 16x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 18x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 18x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 18x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 18x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 18x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 18x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 18x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 20x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 20x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 20x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 20x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 20x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 20x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 20x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 20x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 22x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 22x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 22x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 22x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 22x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 22x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 22x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 22x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 24x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 24x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 24x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 24x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 24x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 24x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 24x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 24x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 26x6m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 26x8m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 26x10m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 26x12m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 26x14m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 26x16m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 26x18m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

IMM Marine Side-Rolling 26x20m-C unverified

Width (m)

Length (m)

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet

Tsuji Heavy Industries

Tsuji Side-Rolling Small unverified

Size

Small

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Tsuji Side-Rolling Medium unverified

Size

Medium

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Tsuji Side-Rolling Large unverified

Size

Large

Common Failures & Inspection Points

Compression-bar or seal damage can cause water ingress, detected by hose, chalk or ultrasonic testing and by wet cargo-space evidence
Wheel, hinge, roller or track wear can make opening difficult, noticed as skewing or high operating load
Hydraulic leakage or actuator faults can stop powered movement, seen as slow or incomplete opening
Corrosion or structural cracking at panels and coamings can weaken the closure, found by visual or NDT inspection
Cleat or locking-device wear can prevent even gasket compression, seen as local leakage or loose securing

Spare Parts: Carry hatch-cover rubber or sealing sections, cleat and roller service items, hydraulic seals/hoses and common fasteners specified by the maker.

Use Cases: Used on bulk carriers, general cargo ships, multipurpose vessels and other ships with deck-access cargo holds.

Datasheet

Seaspan Engineering

Seaspan Side-Rolling unverified

Hatch Type

Side-Rolling

Common Failures & Inspection Points

Wire-rope, chain, roller or line-contact wear caused by loaded movement, corrosion or poor lubrication, resulting in visible damage, rough operation or accelerated rope wear
Brake, locking or clutch deterioration caused by repeated loading or contamination, resulting in poor holding or excessive travel
Hydraulic or electric drive failure caused by leakage, motor faults or control problems, resulting in slow, weak or unavailable movement
Bearing, pin, hinge or structural wear caused by cyclic loading and corrosion, resulting in play, vibration, misalignment or abnormal noise
Limit, interlock or control-system fault caused by sensor, wiring or calibration problems, resulting in inhibited movement, alarms or loss of protective functions

Use Cases: It is used for cargo-hold access and weather protection on merchant ships, passenger vessels, offshore units or other vessel types where this equipment category is fitted.

Datasheet