Fuel Oil Transfer Pump
high
Transfers fuel between storage, settling and service tanks
4000h
Service Interval
20 yr
Typical Lifetime
Typical Manufacturers
IMO
Kracht
Viking
Known Models (33)
Allweiler (CIRCOR/IDEX) SNH Serie
5-400 m³/h
· HFO/MDO/Thermal Oil/Lube Oil
pump_type: Three-screw pump
size_range: ['SNH 40', 'SNH 50', 'SNH 60', 'SNH 80', 'SNH 100', 'SNH 120', 'SNH 150']
flow_range_m3h: [5, 400]
head_range_m: [40, 250]
variant_count_approx: 85
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron, hardened nitrided screws, multiple seal options
successor_series: None
Common Failures:
- • Screw wear from contaminated HFO
- • Mechanical seal leakage
- • Relief valve sticking
- • Bearing wear with low-viscosity fuels
Service: Major overhaul 25000h. Seal 8000h. Daily pressure log.
Spares: Allweiler MarineCare network globally. Stock screw set, seal cartridge, bearings.
Allweiler (CIRCOR/IDEX) SNF Serie
10-600 m³/h
· HFO/MDO/Lube Oil
pump_type: Three-screw heavy-duty pump
size_range: ['SNF 80', 'SNF 100', 'SNF 120', 'SNF 150', 'SNF 200']
flow_range_m3h: [10, 600]
head_range_m: [40, 300]
variant_count_approx: 60
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Heavy-duty cast iron
successor_series: None
Common Failures:
- • Screw scoring
- • Relief valve issues
- • Seal leakage
- • Bearing wear
Service: Heavy-duty service intervals.
Spares: Allweiler heavy-duty screw kits.
Azcue Pumps MO Gear Pump
1-50 m³/h
· HFO/MDO/Diesel Oil
pump_type: External gear pump
size_range: ['MO 25', 'MO 32', 'MO 40', 'MO 50', 'MO 65']
flow_range_m3h: [1, 50]
head_range_m: [10, 120]
variant_count_approx: 40
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron, hardened gears
successor_series: None
Common Failures:
- • Gear scoring
- • Seal leakage
- • Pressure loss
- • Relief valve issues
Service: Standard gear pump service.
Spares: Azcue MO standard kits.
Blackmer (Dover) NP Sliding Vane
5-200 m³/h
· HFO/MDO/Diesel/Products
pump_type: Sliding vane pump
size_range: ['NP 1', 'NP 1.5', 'NP 2', 'NP 3', 'NP 4', 'NP 6', 'NP 8']
flow_range_m3h: [5, 200]
head_range_m: [10, 150]
variant_count_approx: 60
period_start_year: 1975
period_end_year: None
drive_type: Electric
construction: Cast iron, replaceable vanes
successor_series: None
Common Failures:
- • Vane wear causing capacity loss
- • Mechanical seal leakage
- • Rotor/casing wear from particles
- • Relief valve issues
Service: Vane replacement at 15000h or when capacity drops 15%. Seal 8000h.
Spares: Blackmer vane sets, seals, bearings.
Bornemann (Itron Group) SLH-4G/5G/6G
20-2000 m³/h
· HFO/Crude Oil/Multiphase
pump_type: Twin-screw multiphase pump
size_range: ['SLH-4G', 'SLH-5G', 'SLH-6G', 'SLH-7G']
flow_range_m3h: [20, 2000]
head_range_m: [40, 400]
variant_count_approx: 50
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Twin-screw, multiple material options
successor_series: None
Common Failures:
- • Screw flank wear with abrasive cargo
- • Timing gear wear
- • Seal leakage
- • Bearing wear
Service: Twin-screw service intervals.
Spares: Bornemann/Itron specialist parts.
DESMI ROTAN GP/HD Internal Gear
2-200 m³/h
· HFO/MDO/Heavy Fuel Oil/Bitumen
pump_type: Internal gear pump
size_range: ['ROTAN GP 41', 'ROTAN GP 65', 'ROTAN GP 81', 'ROTAN GP 101', 'ROTAN HD 125', 'ROTAN HD 150', 'ROTAN HD 200']
flow_range_m3h: [2, 200]
head_range_m: [10, 200]
variant_count_approx: 80
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron with heated jacket option for heavy fuels
successor_series: None
Common Failures:
- • Bushing wear under high-viscosity service
- • Mechanical seal or packing leakage
- • Idler gear scoring from hard particles
- • Relief valve blockage from coke deposits
Service: Heated jacket maintained for HFO service. Bushing inspection at 15000h. Seal 8000h.
Spares: DESMI ROTAN parts: bushings, gear-set, seal, gaskets. Lead time 6-10 weeks.
Flowserve (SIHI) CBS/CEH Marine Booster
5-200 m³/h
· HFO/MDO
pump_type: Multi-stage centrifugal booster
size_range: ['CBS 50', 'CBS 65', 'CBS 80', 'CEH 100', 'CEH 125']
flow_range_m3h: [5, 200]
head_range_m: [40, 300]
variant_count_approx: 50
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Multi-stage centrifugal
successor_series: None
Common Failures:
- • Stage wear
- • Cavitation
- • Mechanical seal leakage
- • Bearing wear
Service: Multi-stage service.
Spares: Flowserve SIHI globally.
Hamworthy (Wärtsilä) GP Three-Screw
5-300 m³/h
· HFO/MDO/Lube Oil
pump_type: Three-screw pump
size_range: ['GP 50', 'GP 65', 'GP 80', 'GP 100', 'GP 125', 'GP 150']
flow_range_m3h: [5, 300]
head_range_m: [40, 250]
variant_count_approx: 60
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron, hardened screws
successor_series: None
Common Failures:
- • Screw wear
- • Seal leakage
- • Relief valve
- • Bearing wear
Service: Standard three-screw service.
Spares: Wärtsilä Pumps service network.
Heishin Pump (Sulzer) NMC Multi-Stage
5-200 m³/h
· HFO/MDO
pump_type: Multi-stage centrifugal HFO pump
size_range: ['NMC 50', 'NMC 65', 'NMC 80', 'NMC 100', 'NMC 125']
flow_range_m3h: [5, 200]
head_range_m: [40, 250]
variant_count_approx: 50
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Multi-stage cast iron
successor_series: None
Common Failures:
- • Stage wear
- • Mechanical seal leakage
- • Bearing wear
- • Cavitation
Service: Multi-stage service intervals.
Spares: Heishin/Sulzer Japan parts.
Houttuin (Sulzer) H-Series Twin-Screw
10-800 m³/h
· HFO/Crude Oil/Multiphase
pump_type: Twin-screw pump
size_range: ['H-100', 'H-150', 'H-200', 'H-300', 'H-400']
flow_range_m3h: [10, 800]
head_range_m: [40, 400]
variant_count_approx: 50
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Twin-screw with timing gear
successor_series: None
Common Failures:
- • Screw flank wear
- • Timing gear wear
- • Seal leakage
- • Bearing wear
Service: Twin-screw service intervals.
Spares: Houttuin/Sulzer parts globally.
IMO ACG 052N7 IVBP
15 m3/h
· 5.5 kW
· Fuel Oil (HFO/MDO)
Common Failures:
- • Screw wear from abrasive particles
- • Seal leakage
- • Relief valve malfunction
Service: Three-screw pump; filter fuel before pump inlet.
Spares: IMO: Ersatzteile per Hersteller-Ersatzteilliste. Mechanische Dichtungen und Laufräder an Bord vorhalten. Lead time: 2-6 Wochen je nach Hersteller.
IMO AB (Colfax) ACE Serie
5-300 m³/h
· HFO/MDO/MGO/Lube Oil
pump_type: Three-screw positive displacement pump
size_range: ['ACE 032', 'ACE 038', 'ACE 052', 'ACE 070', 'ACE 090', 'ACE 105', 'ACE 125']
flow_range_m3h: [5, 300]
head_range_m: [40, 250]
variant_count_approx: 80
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron casing, hardened nitrided screws
successor_series: None
Common Failures:
- • Cat-fines induced screw scoring after 8000-15000h with poor HFO purification
- • Mechanical seal leakage at shaft after 8000h
- • Relief valve sticking from sludge/varnish buildup
- • Bearing wear after operation with low-viscosity MGO without viscosity correction
Service: Major overhaul every 25000h. Mechanical seal at 8000h. Relief valve test annually. Daily: discharge pressure log, suction strainer check.
Spares: Maintain mechanical seal kit, complete screw set, bearing kit, relief valve cartridge. Lead time IMO 8-12 weeks for screw sets — keep onboard for critical fuel oil supply.
IMO AB (Colfax) ACF Serie
10-500 m³/h
· HFO/MDO/Lube Oil/Hydraulic Oil
pump_type: Three-screw heavy-duty pump
size_range: ['ACF 080', 'ACF 100', 'ACF 125', 'ACF 160', 'ACF 200']
flow_range_m3h: [10, 500]
head_range_m: [40, 300]
variant_count_approx: 70
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Heavy-duty cast iron, nitrided screws
successor_series: None
Common Failures:
- • Screw scoring from cat-fines
- • Relief valve stuck open causing capacity loss
- • Mechanical seal leakage
- • Bearing wear under cavitation
Service: Major overhaul 25000h. Seal 8000h. Strainer check daily. Viscosity-temperature curve check at fuel changeover.
Spares: Heavy-duty screw set, cartridge seal, bearings. ACF parts have longer lead times due to larger size — stock complete set for critical applications.
IMO AB (Colfax) ACG Serie
3-150 m³/h
· HFO/MDO/Lube Oil
pump_type: Three-screw circulation pump
size_range: ['ACG 045', 'ACG 052', 'ACG 070', 'ACG 090']
flow_range_m3h: [3, 150]
head_range_m: [40, 200]
variant_count_approx: 50
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron, hardened screws
successor_series: None
Common Failures:
- • Screw wear from contamination
- • Seal leakage
- • Cavitation noise at low suction pressure
- • Relief valve issues
Service: Standard service intervals.
Spares: ACG screw set, seal kit, bearings.
IMO AB (Colfax) LPD/LPQ Serie
2-80 m³/h
· Lube Oil/Diesel/MDO
pump_type: Compact three-screw pump
size_range: ['LPD 020', 'LPD 030', 'LPD 050', 'LPQ 075', 'LPQ 100']
flow_range_m3h: [2, 80]
head_range_m: [20, 150]
variant_count_approx: 40
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Compact design
successor_series: None
Common Failures:
- • Screw wear
- • Seal leakage
- • Cavitation
- • Bearing wear
Service: Standard service.
Spares: LPD/LPQ standard kits.
Iron Pump CG Gear Pump
1-60 m³/h
· HFO/MDO/Lube Oil
pump_type: External gear pump
size_range: ['CG 25', 'CG 32', 'CG 40', 'CG 50', 'CG 65', 'CG 80']
flow_range_m3h: [1, 60]
head_range_m: [10, 150]
variant_count_approx: 50
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Bronze gears for seawater compatibility
successor_series: None
Common Failures:
- • Gear wear
- • Seal leakage
- • Cavitation
- • Bushing wear
Service: Long-life bronze service intervals.
Spares: Iron Pump CG parts via Danish network.
Kracht KF 80
12 m3/h
· 4.0 kW
· Fuel Oil (HFO/MDO)
Common Failures:
- • Gear tooth wear
- • Shaft seal leak
- • Cavitation at low temperature
Service: Gear pump; preheat HFO to reduce viscosity before transfer.
Spares: Kracht: Ersatzteile per Hersteller-Ersatzteilliste. Mechanische Dichtungen und Laufräder an Bord vorhalten. Lead time: 2-6 Wochen je nach Hersteller.
Kral K Serie
2-200 m³/h
· HFO/MDO/Lube Oil
pump_type: Three-screw pump
size_range: ['K 32', 'K 42', 'K 55', 'K 70', 'K 85', 'K 105', 'K 130']
flow_range_m3h: [2, 200]
head_range_m: [40, 200]
variant_count_approx: 75
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron, optional flow-meter integration
successor_series: None
Common Failures:
- • Screw wear from cat-fines
- • Seal leakage
- • Relief valve sticking
- • Bearing wear from low-viscosity operation
Service: Major overhaul 25000h. Seal 8000h. Flowmeter calibration if integrated.
Spares: Kral OilCare service network. Stock screw set, seal kit, flowmeter parts if integrated.
Kral L Serie
5-300 m³/h
· HFO/MDO
pump_type: Three-screw pump (medium duty)
size_range: ['L 32', 'L 42', 'L 55', 'L 70', 'L 85', 'L 105']
flow_range_m3h: [5, 300]
head_range_m: [40, 200]
variant_count_approx: 60
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Cast iron
successor_series: None
Common Failures:
- • Screw wear
- • Seal leakage
- • Relief valve
- • Bearing wear
Service: Standard service.
Spares: Kral L parts.
Kral C Serie
1-50 m³/h
· HFO/MDO/Lube Oil
pump_type: Compact three-screw pump
size_range: ['C 16', 'C 22', 'C 32', 'C 42', 'C 55']
flow_range_m3h: [1, 50]
head_range_m: [20, 150]
variant_count_approx: 50
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Compact
successor_series: None
Common Failures:
- • Screw wear
- • Seal leakage
- • Cavitation noise
Service: Standard service.
Spares: Kral compact kits.
Leistritz L3MF Serie
5-400 m³/h
· HFO/MDO/Lube Oil
pump_type: Three-screw pump
size_range: ['L3MF 40', 'L3MF 60', 'L3MF 80', 'L3MF 100', 'L3MF 120', 'L3MF 150']
flow_range_m3h: [5, 400]
head_range_m: [40, 250]
variant_count_approx: 70
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron, hardened screws
successor_series: None
Common Failures:
- • Screw wear
- • Seal leakage
- • Cavitation
- • Bearing wear
Service: Major overhaul 25000h.
Spares: Leistritz parts globally available.
Leistritz L3MG Serie
10-500 m³/h
· HFO/MDO
pump_type: Three-screw pump (heavy-duty)
size_range: ['L3MG 80', 'L3MG 100', 'L3MG 120', 'L3MG 150', 'L3MG 200']
flow_range_m3h: [10, 500]
head_range_m: [40, 300]
variant_count_approx: 60
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Heavy-duty
successor_series: None
Common Failures:
- • Screw scoring
- • Seal leakage
- • Relief valve
- • Bearing wear
Service: Heavy-duty intervals.
Spares: Leistritz heavy-duty kits.
Leistritz L2NG Twin-Screw
20-1500 m³/h
· HFO/Crude Oil/Multiphase
pump_type: Twin-screw pump (multiphase capable)
size_range: ['L2NG 100', 'L2NG 130', 'L2NG 160', 'L2NG 200', 'L2NG 250', 'L2NG 300']
flow_range_m3h: [20, 1500]
head_range_m: [40, 400]
variant_count_approx: 70
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Twin-screw with timing gear
successor_series: None
Common Failures:
- • Screw flank wear
- • Timing gear wear
- • Mechanical seal leakage
- • Bearing wear from misalignment
Service: Twin-screw service: bearings 15000h, timing gear oil sampling, screws inspect at drydock.
Spares: Leistritz twin-screw kits, timing gears, seals.
Naniwa Pump GV Gear Pump Marine
1-80 m³/h
· HFO/MDO/Lube Oil
pump_type: External gear pump
size_range: ['GV 25', 'GV 32', 'GV 40', 'GV 50', 'GV 65', 'GV 80', 'GV 100']
flow_range_m3h: [1, 80]
head_range_m: [10, 150]
variant_count_approx: 80
period_start_year: 1975
period_end_year: None
drive_type: Electric
construction: Cast iron, hardened steel gears
successor_series: None
Common Failures:
- • Gear scoring from cat-fines
- • Shaft seal leakage
- • Pressure loss from bushing wear
- • Relief valve sticking
Service: Major overhaul 20000h. Seal 8000h. Suction strainer daily.
Spares: Naniwa gear sets, bushings, seal kits via Japanese supply network.
PARKER Hannifin (Pumps Division) PV Marine Gear
2-80 m³/h
· Diesel Oil/Lube Oil
pump_type: Compact rotary pump
size_range: ['PV 25', 'PV 32', 'PV 40', 'PV 50', 'PV 65']
flow_range_m3h: [2, 80]
head_range_m: [10, 150]
variant_count_approx: 50
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Cast iron/aluminum
successor_series: None
Common Failures:
- • Standard gear pump wear modes
Service: Standard service.
Spares: Parker global service.
SPX FLOW (Johnson) TopGear GM/H Internal Gear
2-180 m³/h
· HFO/MDO/Heavy viscous oils
pump_type: Internal gear pump
size_range: ['TopGear GM 25', 'GM 50', 'GM 80', 'GM 120', 'TopGear H 80', 'H 120', 'H 200']
flow_range_m3h: [2, 180]
head_range_m: [10, 200]
variant_count_approx: 70
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Heated jacket option, multiple material choices
successor_series: None
Common Failures:
- • Bushing wear under high-viscosity service
- • Seal leakage at elevated temperature
- • Gear scoring from particles
- • Relief valve contamination
Service: Operate within viscosity/temperature limits.
Spares: SPX FLOW global service network for TopGear range.
Settima KEM GMP Series
2-100 m³/h
· HFO/MDO/Lube Oil
pump_type: Internal gear pump
size_range: ['GMP 25', 'GMP 32', 'GMP 40', 'GMP 50', 'GMP 65', 'GMP 80']
flow_range_m3h: [2, 100]
head_range_m: [10, 200]
variant_count_approx: 50
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Cast iron
successor_series: None
Common Failures:
- • Bushing wear
- • Seal leakage
- • Gear scoring
- • Relief valve
Service: Internal gear service.
Spares: Settima KEM Italy.
Settima Meccanica GR Three-Screw
3-150 m³/h
· HFO/MDO/Lube Oil
pump_type: Three-screw pump
size_range: ['GR 32', 'GR 40', 'GR 50', 'GR 65', 'GR 80']
flow_range_m3h: [3, 150]
head_range_m: [40, 200]
variant_count_approx: 50
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Cast iron
successor_series: None
Common Failures:
- • Standard three-screw wear modes
Service: Standard service.
Spares: Settima Italy parts.
Shinko Industries SVA Gear Pump
1-50 m³/h
· HFO/MDO
pump_type: External gear pump
size_range: ['SVA 25', 'SVA 32', 'SVA 40', 'SVA 50', 'SVA 65']
flow_range_m3h: [1, 50]
head_range_m: [10, 120]
variant_count_approx: 60
period_start_year: 1975
period_end_year: None
drive_type: Electric
construction: Cast iron, hardened gears
successor_series: None
Common Failures:
- • Gear wear
- • Seal leakage
- • Cavitation
- • Pressure loss
Service: Standard service.
Spares: Shinko SVA parts.
Taiko Kikai Industries SVG Gear Pump
1-80 m³/h
· HFO/MDO/Lube Oil
pump_type: External gear pump
size_range: ['SVG 25', 'SVG 32', 'SVG 40', 'SVG 50', 'SVG 65', 'SVG 80']
flow_range_m3h: [1, 80]
head_range_m: [10, 150]
variant_count_approx: 70
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron, hardened gears
successor_series: None
Common Failures:
- • Gear wear from contamination
- • Seal leakage
- • Pressure loss
- • Relief valve sticking
Service: Standard gear pump service.
Spares: Taiko SVG parts.
Viking KK4724
18 m3/h
· 5.5 kW
· Fuel Oil (HFO/MDO)
Common Failures:
- • Internal gear wear
- • Relief valve malfunction
- • Shaft seal deterioration
Service: Internal gear type; good for high-viscosity HFO; check relief valve.
Spares: Viking: Ersatzteile per Hersteller-Ersatzteilliste. Mechanische Dichtungen und Laufräder an Bord vorhalten. Lead time: 2-6 Wochen je nach Hersteller.
Viking Pump (IDEX) Universal Seal Series
1-150 m³/h
· HFO/MDO/Heavy oils
pump_type: Internal gear pump
size_range: ['Series 4124', 'Series 4127', 'Series H', 'Series HL', 'Series K', 'Series LS']
flow_range_m3h: [1, 150]
head_range_m: [10, 250]
variant_count_approx: 80
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron, hardened gears
successor_series: None
Common Failures:
- • Bushing wear
- • Seal leakage
- • Idler gear scoring
- • Relief valve sticking
Service: Standard gear pump intervals.
Spares: Viking spares globally via IDEX.
Yamada Corporation YPC Marine Gear
1-40 m³/h
· HFO/MDO
pump_type: Compact gear pump
size_range: ['YPC 25', 'YPC 32', 'YPC 40', 'YPC 50']
flow_range_m3h: [1, 40]
head_range_m: [10, 100]
variant_count_approx: 40
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Compact cast iron
successor_series: None
Common Failures:
- • Gear wear
- • Seal leakage
- • Cavitation
- • Bushing wear
Service: Compact service.
Spares: Yamada Japan parts.