Cargo Pump (Tanker)
critical
3 models total
3 manufacturers · 3 models
Alfa Laval
1
Submerged Cargo Pump System
200-5,000 m³/h, Head 100-180 m
· Crude Oil / Product Oil / Chemicals
Voltage: 380-690V 3ph
Type
Submerged Hydraulic Cargo Pump
Size Range
- SD100
- SD150
- SD200
- SD250
- SD300
- SD350
Flow range (m³/h)
- 200
- 5000
Head range (m)
- 100
- 180
Power range (kW)
- 100
- 2000
Drive Type
Hydraulic (central HPU on deck)
Construction
Submerged centrifugal pump in tank bottom, hydraulic motor, hydraulic power unit on deck
Common Failures & Inspection Points
- Hydraulic motor seal failure causing oil contamination of cargo
- Pump impeller erosion from abrasive cargo
- Hydraulic hose deterioration from age/heat
- HPU motor bearing failure after 30,000+ hrs
- Cargo tank bulkhead penetration seal leak
Service: Hydraulic oil analysis quarterly. Pump performance test (Q-H curve) annually. HPU motor bearing inspection at drydock. Hydraulic hose replacement per schedule (7-10 years). Cargo stripping test before each discharge.
Spare Parts: Framo/Alfa Laval (Bergen, Norway). Lead time: 2-6 weeks. Pump impellers: 4-8 weeks. Hydraulic motors: 3-6 weeks.
Marflex / Bornemann (Netherlands/Germany)
1
Electric Submerged Cargo Pump
100-3,000 m³/h
· Crude Oil / Product Oil / Chemicals
Voltage: 380-690V 3ph
Type
Electric Submerged Cargo Pump (Deepwell)
Size Range
- EDP-100
- EDP-200
- EDP-300
- EDP-500
Flow range (m³/h)
- 100
- 3000
Head range (m)
- 80
- 150
Power range (kW)
- 50
- 1000
Drive Type
Electric (submerged motor or long-shaft)
Construction
Electric motor + centrifugal pump, submerged in tank, Ex-rated
Common Failures & Inspection Points
- Motor insulation failure from cargo exposure
- Pump impeller wear from abrasive cargo
- Cable gland seal failure causing cargo leak
- Motor bearing failure from heat/vibration
- VFD failure (if frequency-controlled)
Service: Motor insulation test annually. Pump performance test annually. Cable gland inspection quarterly. VFD maintenance per manufacturer.
Spare Parts: Marflex (Dordrecht, Netherlands). Lead time: 3-6 weeks. Electric motors: 6-10 weeks.
Shinko Ind. (Japan)
1
Vertical Cargo Pump
200-5,000 m³/h
· Crude Oil / Product Oil
Voltage: 380-440V 3ph
Type
Vertical Deepwell Cargo Pump (Long-Shaft)
Size Range
- VCP-200
- VCP-500
- VCP-1000
- VCP-3000
Flow range (m³/h)
- 200
- 5000
Head range (m)
- 100
- 160
Power range (kW)
- 100
- 1500
Drive Type
Electric (deck-mounted motor, long shaft to pump)
Construction
Vertical long-shaft centrifugal, deck-mounted motor, shaft bearings in column
Common Failures & Inspection Points
- Shaft bearing wear from vibration/alignment issues
- Column pipe corrosion from cargo exposure
- Mechanical seal failure at deck penetration
- Impeller erosion from abrasive crude
- Shaft coupling failure
Service: Shaft bearing inspection at drydock. Column pipe inspection every 5 years. Mechanical seal inspection annually. Performance test before each voyage.
Spare Parts: Shinko (Hiroshima). Lead time: 3-5 weeks Asia.