Ballast Pump
high
IMO Required
Ballast water transfer pump; BWM convention compliance
8000h
Service Interval
5 yr
Class Survey
25 yr
Typical Lifetime
Typical Manufacturers
Shinko
IMO
Azcue
Known Models (53)
ALLWEILER (CIRCOR/IDEX) NIM Serie
50-1200 m³/h
· Sea water/ballast water
pump_type: Horizontal end-suction centrifugal pump (ISO 5199)
dn_sizes_mm: [65, 80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [50, 1200]
head_range_m: [10, 80]
variant_count_approx: 120
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron casing, bronze impeller, mechanical seal
successor_series: None
Common Failures:
- • Mechanical seal leakage at shaft entry after 8000-12000 operating hours
- • Wear ring clearance increase causing reduced head/efficiency
- • Bearing failure from coupling misalignment after motor overhaul
- • Casing pitting/corrosion in seawater service after 15+ years
Service: Mechanical seal inspection every 8000h. Bearing replacement at 20000h. Wear ring clearance check at every drydock. Daily: discharge pressure log, vibration check.
Spares: Keep mechanical seal kit, bearing set, wear rings, shaft sleeve, casing gasket onboard. Lead time CIRCOR/IDEX typically 6-10 weeks for non-stock items.
ALLWEILER (CIRCOR/IDEX) NAM Serie
20-600 m³/h
· Sea water/fresh water/ballast
pump_type: DIN-standard end-suction centrifugal pump
dn_sizes_mm: [32, 40, 50, 65, 80, 100, 125, 150]
flow_range_m3h: [20, 600]
head_range_m: [8, 60]
variant_count_approx: 80
period_start_year: 1970
period_end_year: 2010
drive_type: Electric
construction: DIN 24255 standard, cast iron/bronze
successor_series: NIM Serie
Common Failures:
- • Mechanical seal leakage common after 8000h in seawater
- • Shaft sleeve grooving at seal area
- • Wear ring erosion from sand/silt in ballast water
- • Bearing wear in older units with grease lubrication
Service: Replace mechanical seal at 8000h. Shaft sleeve inspection at every overhaul. Spare parts via CIRCOR PrimeServ — many parts still available despite end of production.
Spares: Older NAM pumps: stock complete seal kit, shaft sleeve, wear rings, bearings. Some hydraulic parts now obsolete — refurbishment via specialist workshops common.
ALLWEILER (CIRCOR/IDEX) MA / MI Serie
150-4500 m³/h
· Sea water/ballast
pump_type: Heavy-duty axially-split double-suction centrifugal pump
dn_sizes_mm: [100, 125, 150, 200, 250, 300, 350, 400]
flow_range_m3h: [150, 4500]
head_range_m: [15, 100]
variant_count_approx: 150
period_start_year: 1975
period_end_year: None
drive_type: Electric
construction: Cast steel/cast iron casing, bronze/duplex stainless impeller
successor_series: None
Common Failures:
- • Casing split joint gasket leakage after high-load cycling
- • Double-suction impeller axial-thrust imbalance from one-side wear
- • Bearing housing oil leakage at high temperature
- • Coupling element fatigue in heavy-load applications
Service: Casing split joint inspection at every drydock. Bearing oil change every 6 months. Impeller balance check at major overhaul (every 5 years).
Spares: Heavy-duty service: keep casing joint gasket, complete bearing set, coupling elements, packing rings or seal cartridge. Lead time 8-14 weeks for impeller/casing parts.
AZCUE Pumps CA Serie
30-1500 m³/h
· Sea water/fresh water/ballast
pump_type: Horizontal end-suction marine pump
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150, 200, 250]
flow_range_m3h: [30, 1500]
head_range_m: [10, 80]
variant_count_approx: 110
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, marine-spec
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller corrosion
- • Cavitation damage
Service: Standard service intervals. Seal 8000h, bearings 20000h.
Spares: AZCUE spares via Spanish-Mediterranean supply network.
AZCUE Pumps VRX Serie
50-2000 m³/h
· Sea water/fresh water
pump_type: Vertical inline centrifugal pump
dn_sizes_mm: [50, 65, 80, 100, 125, 150, 200, 250]
flow_range_m3h: [50, 2000]
head_range_m: [10, 80]
variant_count_approx: 100
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Pipe-strain induced vibration
- • Impeller wear
Service: Pipe support critical to avoid casing strain. Seal 8000h, bearings 20000h.
Spares: AZCUE VRX standard spares.
Azcue AN 80-315
400 m3/h
· 75.0 kW
· Seawater (ballast)
Common Failures:
- • Wear ring erosion
- • Shaft sleeve corrosion
- • Cavitation damage
Service: Bronze impeller for seawater duty; check NPSH.
Spares: Azcue: Ersatzteile per Hersteller-Ersatzteilliste. Mechanische Dichtungen und Laufräder an Bord vorhalten. Lead time: 2-6 Wochen je nach Hersteller.
Behrens (Schoenrock) BBM Marine Serie
50-1500 m³/h
· Sea water/ballast
pump_type: German marine centrifugal pump
dn_sizes_mm: [65, 80, 100, 125, 150, 200, 250]
flow_range_m3h: [50, 1500]
head_range_m: [10, 75]
variant_count_approx: 70
period_start_year: 1970
period_end_year: 2005
drive_type: Electric
construction: Cast iron/bronze, German marine standard
successor_series: None
Common Failures:
- • Aged seals
- • Bearing wear
- • Impeller erosion
- • Casing wear
Service: Legacy units — refurbishment via German specialist workshops.
Spares: Behrens legacy parts via Hamburg/Bremen marine specialists.
Bornemann (Itron Group) SLH Marine Serie
50-2000 m³/h
· Sea water/ballast/oily mixtures
pump_type: Twin-screw marine pump (multiphase capable)
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [50, 2000]
head_range_m: [10, 150]
variant_count_approx: 60
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Twin-screw with timing gear, multiple material options
successor_series: None
Common Failures:
- • Screw flank wear from abrasive solids
- • Mechanical seal leakage
- • Timing gear wear
- • Bearing wear from misalignment
Service: Twin-screw service intervals: bearings 15000h, screws inspect at drydock, timing gear oil sampling.
Spares: Bornemann/Itron specialist spares — twin-screw kits, timing gears, seals.
Bryan Donkin BD Marine Centrifugal
100-2000 m³/h
· Sea water/ballast
pump_type: Horizontal centrifugal pump (UK heritage)
dn_sizes_mm: [80, 100, 125, 150, 200, 250]
flow_range_m3h: [100, 2000]
head_range_m: [10, 75]
variant_count_approx: 70
period_start_year: 1955
period_end_year: 1990
drive_type: Electric or steam turbine
construction: Cast iron/bronze, British heritage
successor_series: None
Common Failures:
- • Aged sealing technology
- • Bearing wear after decades
- • Impeller erosion
- • Casing wear
Service: Legacy — refurbishment-only via UK heritage pump specialists.
Spares: Bryan Donkin legacy parts via niche refurbishers — many parts hand-fabricated.
DESMI NSL Serie
50-2500 m³/h
· Sea water/fresh water/ballast
pump_type: Vertical in-line modular centrifugal pump
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300, 350]
flow_range_m3h: [50, 2500]
head_range_m: [10, 90]
variant_count_approx: 180
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Modular cast iron/bronze, replaceable wear rings
successor_series: None
Common Failures:
- • Mechanical seal leakage from misalignment after motor service
- • Bearing wear from vibration coupled through pipework
- • Impeller corrosion/erosion in seawater service after 10+ years
- • Casing wear ring clearance increase
Service: Modular design — most service possible without removing pipework. Mechanical seal inspection every 8000h. Bearing replacement at 20000h. Annual vibration analysis.
Spares: Standard cartridge seal, modular bearing housing, wear rings, shaft sleeve. DESMI standard parts widely stocked at chandlers.
DESMI DSL Serie
800-5400 m³/h
· Sea water/ballast
pump_type: Vertical in-line centrifugal pump (high-flow)
dn_sizes_mm: [300, 350, 400, 450, 500, 550, 600]
flow_range_m3h: [800, 5400]
head_range_m: [15, 80]
variant_count_approx: 110
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron with bronze or duplex stainless impeller
successor_series: None
Common Failures:
- • Casing flange gasket leakage at high pressure
- • Mechanical seal failure under cavitation conditions
- • Bearing housing leakage in vertically-mounted units
- • Impeller cavitation erosion at insufficient NPSH
Service: NPSH-margin verification critical. Mechanical seal inspection every 6000h in heavy use. Bearing replacement at 20000h. Casing flange torque check after thermal cycling.
Spares: Large-diameter wear rings, casing gaskets, mechanical seal cartridge, coupling elements. Lead time DESMI 8-12 weeks for stock items.
DESMI Modular S Serie
100-3000 m³/h
· Sea water/fresh water
pump_type: Modular centrifugal pump platform
dn_sizes_mm: [100, 125, 150, 200, 250, 300]
flow_range_m3h: [100, 3000]
head_range_m: [10, 75]
variant_count_approx: 140
period_start_year: 2010
period_end_year: None
drive_type: Electric
construction: Standardised modular components, multiple material options
successor_series: None
Common Failures:
- • Mechanical seal leakage in seawater service
- • Bearing wear from vibration
- • Impeller wear after 8-10 years
- • Coupling alignment loss
Service: Modular service interchangeable with NSL parts where applicable. Standard service intervals: seal 8000h, bearings 20000h.
Spares: Highly interchangeable parts across MODULAR S range — single seal kit/bearing set covers multiple sizes. Reduces spare parts inventory.
Drysdale K-Serie (Marine)
100-2000 m³/h
· Sea water/ballast
pump_type: Centrifugal marine pump (Scottish heritage)
dn_sizes_mm: [80, 100, 125, 150, 200, 250]
flow_range_m3h: [100, 2000]
head_range_m: [10, 80]
variant_count_approx: 80
period_start_year: 1960
period_end_year: 1995
drive_type: Electric or steam turbine
construction: Cast iron, Scottish/British marine standard
successor_series: None
Common Failures:
- • Aged technology — frequent seal/packing renewal
- • Bearing wear
- • Impeller corrosion
- • Casing erosion
Service: Legacy units — refurbishment-only.
Spares: Drysdale legacy parts via UK specialist refurbishers.
EBARA 3M / 3D Serie
50-2500 m³/h
· Sea water/fresh water/ballast
pump_type: End-suction / twin-impeller centrifugal pump
dn_sizes_mm: [50, 65, 80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [50, 2500]
head_range_m: [10, 80]
variant_count_approx: 140
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, JIS marine standard
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller wear
- • Cavitation damage
Service: JIS standard service. Seal at 8000h, bearings every 20000h.
Spares: EBARA spares via global service network.
Flowserve (SIHI) LPH Serie
30-800 m³/h
· Sea water/condensate/ballast
pump_type: Side-channel self-priming centrifugal pump
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150]
flow_range_m3h: [30, 800]
head_range_m: [10, 150]
variant_count_approx: 80
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Side-channel design with self-priming capability
successor_series: None
Common Failures:
- • Mechanical seal failure under cavitation
- • Stage wear
- • Bearing wear
- • Self-priming failure from suction-side air leakage
Service: Self-priming verification at commissioning. Seal 8000h, bearings 20000h.
Spares: Flowserve SIHI spares via global service network.
Grundfos NK / NB Marine
30-800 m³/h
· Sea water/fresh water
pump_type: End-suction centrifugal pump (marine variant)
dn_sizes_mm: [32, 40, 50, 65, 80, 100, 125, 150]
flow_range_m3h: [30, 800]
head_range_m: [10, 80]
variant_count_approx: 100
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, IEC motor
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Motor bearing wear
- • Impeller wear
- • Cavitation damage
Service: Standard service: seal 8000h, bearings per motor schedule.
Spares: Grundfos global service network — wide chandler stock.
Hayward Tyler HT Marine Pump Serie
50-1500 m³/h
· Sea water/ballast/auxiliary
pump_type: Glandless canned-motor pump (special)
dn_sizes_mm: [50, 65, 80, 100, 125, 150, 200]
flow_range_m3h: [50, 1500]
head_range_m: [10, 80]
variant_count_approx: 60
period_start_year: 1980
period_end_year: None
drive_type: Canned electric motor
successor_series: None
Common Failures:
- • Stator winding insulation degradation
- • Sleeve bearing wear (water lubricated)
- • Internal recirculation wear
- • Motor encapsulation seal failure
Service: Glandless design — no shaft seal. Bearing inspection only via stator removal. Annual insulation testing critical.
Spares: Hayward Tyler specialist spares — stator/bearing replacement requires factory or authorised service.
Heishin Pump (Sulzer) NV Serie
100-2500 m³/h
· Sea water/ballast
pump_type: Vertical centrifugal pump
dn_sizes_mm: [100, 125, 150, 200, 250, 300, 350]
flow_range_m3h: [100, 2500]
head_range_m: [10, 80]
variant_count_approx: 90
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron, JIS standard
successor_series: None
Common Failures:
- • Mechanical seal degradation
- • Vertical bearing wear
- • Impeller wear
- • Coupling alignment loss
Service: Standard JIS marine service.
Spares: Heishin/Sulzer Japan parts via global network.
Hyup Sung Pump HSP Marine Serie
100-2500 m³/h
· Sea water/ballast
pump_type: Korean marine centrifugal pump
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [100, 2500]
head_range_m: [10, 80]
variant_count_approx: 80
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Cast iron, KS marine standard
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller wear
- • Casing erosion
Service: KS standard service.
Spares: Hyup Sung spares via Korean marine network.
IMO ACE 045N3 NVBP
300 m3/h
· 55.0 kW
· Seawater (ballast)
Common Failures:
- • Seal leakage
- • Impeller damage
- • Vibration
Service: Centrifugal type; sacrificial anodes recommended.
Spares: IMO: Ersatzteile per Hersteller-Ersatzteilliste. Mechanische Dichtungen und Laufräder an Bord vorhalten. Lead time: 2-6 Wochen je nach Hersteller.
IRON PUMP CN / CVL Serie
40-3500 m³/h
· Sea water/ballast
pump_type: Centrifugal marine pump (horizontal CN, vertical inline CVL)
dn_sizes_mm: [65, 80, 100, 125, 150, 200, 250, 300, 400]
flow_range_m3h: [40, 3500]
head_range_m: [10, 90]
variant_count_approx: 140
period_start_year: 1975
period_end_year: None
drive_type: Electric
construction: Bronze-special construction for seawater longevity
successor_series: None
Common Failures:
- • Mechanical seal leakage despite bronze construction
- • Bearing wear from misalignment
- • Impeller erosion in heavy sand/silt waters
- • Casing wear-ring increase
Service: Bronze construction enables 20+ year life in seawater. Standard service: seal 10000h, bearings 20000h.
Spares: IRON PUMP DK spare parts known for long-term availability — many 30-year-old pumps still serviceable.
IRON PUMP CNLB Serie
500-5000 m³/h
· Sea water/ballast
pump_type: Heavy-duty horizontal centrifugal pump
dn_sizes_mm: [150, 200, 250, 300, 400, 500]
flow_range_m3h: [500, 5000]
head_range_m: [15, 100]
variant_count_approx: 110
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Bronze casing/impeller for seawater longevity
successor_series: None
Common Failures:
- • Mechanical seal failure after extended service
- • Bearing wear
- • Casing erosion in particle-laden water
- • Coupling alignment issues
Service: Bronze service intervals — typically 30% longer than cast iron. Seal 10000h, bearings 25000h.
Spares: IRON PUMP DK long-term parts availability for installed base back to 1990.
ITT Goulds Pumps 3196 Marine
40-1500 m³/h
· Sea water/process water
pump_type: ANSI end-suction process pump (marine variant)
dn_sizes_mm: [40, 50, 80, 100, 125, 150, 200, 250]
flow_range_m3h: [40, 1500]
head_range_m: [10, 150]
variant_count_approx: 110
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: ANSI standard, multiple wetted-part materials
successor_series: None
Common Failures:
- • Mechanical seal failure
- • Bearing housing oil leakage
- • Impeller wear
- • Cavitation damage
Service: ANSI process service. Seal 8000h, bearings 20000h. Goulds PumpSmart available.
Spares: ITT Goulds global service network. ANSI standard interchangeability.
Iron Eagle (Dongil Pump) DEA Marine Serie
100-3000 m³/h
· Sea water/ballast
pump_type: Korean marine centrifugal pump
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300, 400]
flow_range_m3h: [100, 3000]
head_range_m: [10, 90]
variant_count_approx: 120
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, KS marine standard
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller erosion
- • Casing wear
Service: Korean standard service intervals.
Spares: Dongil/Iron Eagle spares via Korean marine supply network.
Iwaki Pumps MD Magnetic Drive Serie
5-200 m³/h
· Sea water/chemicals
pump_type: Magnetic drive sealless pump
dn_sizes_mm: [25, 32, 40, 50, 65, 80, 100]
flow_range_m3h: [5, 200]
head_range_m: [5, 50]
variant_count_approx: 50
period_start_year: 1990
period_end_year: None
drive_type: Magnetic coupling, electric motor
successor_series: None
Common Failures:
- • Magnet decoupling under overload
- • Sleeve bearing wear
- • Inner-magnet impeller wear
- • Containment shell wear
Service: Sealless design — no leakage path. Bearing inspection at planned overhaul.
Spares: Iwaki magnetic drive parts: bearings, shells, inner magnet.
KSB Etanorm-M Serie
50-2000 m³/h
· Sea water/fresh water/ballast
pump_type: Horizontal end-suction centrifugal pump (DIN/EN 733/733M)
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [50, 2000]
head_range_m: [10, 100]
variant_count_approx: 140
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron / bronze / duplex stainless options
successor_series: None
Common Failures:
- • Mechanical seal leakage in seawater after 10000h
- • Shaft sleeve grooving
- • Wear ring clearance increase
- • Bearing failure from misalignment
Service: DIN-standardised — parts widely available. Seal inspection every 8000h. Bearing change at 20000h. KSB SuPremE motor option for efficiency upgrades.
Spares: KSB MarineCare network globally. DIN 24255 / EN 733 standard interchangeability with other manufacturers. Stock seal kit, bearings, wear rings, shaft sleeve.
KSB Omega Serie
500-12000 m³/h
· Sea water/ballast
pump_type: Axially-split double-suction centrifugal pump
dn_sizes_mm: [125, 150, 200, 250, 300, 400, 500, 600]
flow_range_m3h: [500, 12000]
head_range_m: [15, 150]
variant_count_approx: 160
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast steel/cast iron, axially-split for easy maintenance
successor_series: None
Common Failures:
- • Casing split joint leakage after high-pressure cycles
- • Double-suction impeller wear-imbalance
- • Bearing oil leakage at high temperature
- • Coupling element fatigue
Service: Axially-split design enables impeller inspection without pipework removal. Casing joint inspection every drydock. Bearing oil sample every 3 months.
Spares: Heavy-duty parts with long lead times. Stock casing gasket, bearing set, coupling elements. KSB MarineCare 24/7 support globally.
Kawasaki Heavy Industries KMP Serie
300-4500 m³/h
· Sea water/ballast
pump_type: Vertical heavy-duty marine pump
dn_sizes_mm: [150, 200, 250, 300, 400, 500]
flow_range_m3h: [300, 4500]
head_range_m: [15, 90]
variant_count_approx: 80
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: JIS marine standard, cast iron
successor_series: None
Common Failures:
- • Vertical shaft bearing wear
- • Mechanical seal degradation
- • Impeller wear
- • Coupling alignment loss
Service: Standard JIS service intervals.
Spares: Kawasaki spares via Japanese supply network.
Klaus Union SLM Sealless Marine
30-500 m³/h
· Sea water/chemicals
pump_type: Sealless magnetic drive marine pump
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150]
flow_range_m3h: [30, 500]
head_range_m: [10, 90]
variant_count_approx: 60
period_start_year: 1990
period_end_year: None
drive_type: Magnetic coupling
successor_series: None
Common Failures:
- • Magnetic coupling failure under thermal cycling
- • Sleeve bearing wear
- • Containment can wear
- • Internal corrosion
Service: Sealless service — no shaft seal. Bearing condition monitoring via vibration analysis.
Spares: Klaus Union specialist spares — bearings, magnets, containment cans.
Lyngsø Marine LM Pump Serie
50-1500 m³/h
· Sea water/ballast
pump_type: Marine centrifugal pump
dn_sizes_mm: [65, 80, 100, 125, 150, 200, 250]
flow_range_m3h: [50, 1500]
head_range_m: [10, 70]
variant_count_approx: 70
period_start_year: 1980
period_end_year: 2010
drive_type: Electric
construction: Cast iron, bronze impeller
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller corrosion
- • Casing wear
Service: Older units — parts via specialised refurbishment workshops.
Spares: LM legacy parts availability limited — specialised marine workshops in Denmark/Norway service installed base.
Marflex MDPD Submersible Marine
100-2500 m³/h
· Sea water/cargo/ballast
pump_type: Electric submerged deepwell pump
dn_sizes_mm: [100, 125, 150, 200, 250, 300]
flow_range_m3h: [100, 2500]
head_range_m: [20, 150]
variant_count_approx: 50
period_start_year: 1995
period_end_year: None
drive_type: Electric submerged motor
successor_series: None
Common Failures:
- • Submerged motor seal leakage
- • Stator winding insulation failure
- • Impeller wear in cargo service
- • Cable joint corrosion
Service: Submersible service: motor pulled at every drydock for stator inspection. Insulation testing critical.
Spares: Marflex specialist deepwell parts — full motor service required.
Mitsubishi MA Serie
500-6000 m³/h
· Sea water/ballast
pump_type: Vertical/horizontal heavy-duty centrifugal
dn_sizes_mm: [200, 250, 300, 350, 400, 500]
flow_range_m3h: [500, 6000]
head_range_m: [15, 100]
variant_count_approx: 100
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: JIS marine standard, cast iron/bronze
successor_series: None
Common Failures:
- • Mechanical seal failure
- • Bearing wear
- • Impeller erosion
- • Casing flange leakage
Service: JIS-standard heavy-duty service. Seal 8000h, bearings 20000h.
Spares: Mitsubishi spares via Japanese marine supply network.
NANIWA Pump FEV / FEW Serie
100-1800 m³/h
· Sea water/ballast
pump_type: Vertical centrifugal pump (Japan standard)
dn_sizes_mm: [100, 125, 150, 200, 250, 300, 350]
flow_range_m3h: [100, 1800]
head_range_m: [10, 80]
variant_count_approx: 200
period_start_year: 1975
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, JIS standards
successor_series: None
Common Failures:
- • Vertical shaft bearing wear
- • Mechanical seal degradation in seawater
- • Impeller wear from sand in coastal water
- • Coupling vibration
Service: JIS-standard service intervals. Seal every 8000h. Vertical bearings every drydock.
Spares: Naniwa spares via Japanese marine supply network. JIS interchangeable components.
NANIWA Pump FBW / FCDV Serie
2000-6000 m³/h
· Sea water/ballast
pump_type: Heavy-duty vertical pump (large vessels)
dn_sizes_mm: [400, 450, 500, 600]
flow_range_m3h: [2000, 6000]
head_range_m: [20, 90]
variant_count_approx: 80
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Cast iron/cast steel, bronze impeller
successor_series: None
Common Failures:
- • Casing flange leakage at high pressure
- • Bearing wear in vertical configuration
- • Mechanical seal cycle stress
- • Coupling element fatigue
Service: Heavy-duty service: seal at 6000h, bearings every 18000h, casing inspection every drydock.
Spares: Large-bore parts, longer lead times (8-12 weeks). Stock casing gasket, bearings, seal cartridge.
NIKKISO NEC Series (Sealless)
30-1500 m³/h
· Sea water/chemicals/LPG
pump_type: Canned motor sealless pump
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150, 200]
flow_range_m3h: [30, 1500]
head_range_m: [10, 150]
variant_count_approx: 80
period_start_year: 1985
period_end_year: None
drive_type: Canned electric motor
successor_series: None
Common Failures:
- • Sleeve bearing wear (water/cargo lubricated)
- • Stator insulation degradation
- • Internal recirculation wear
- • Cooling-flow blockage
Service: Canned motor service: bearing condition via current monitoring. Stator insulation testing at every drydock.
Spares: NIKKISO specialist spares — full-encoder canned motor service.
Plenty Mirrlees P-Serie (Marine)
100-2500 m³/h
· Sea water/ballast
pump_type: Horizontal centrifugal pump (UK heritage)
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [100, 2500]
head_range_m: [10, 80]
variant_count_approx: 90
period_start_year: 1960
period_end_year: 2000
drive_type: Electric or steam turbine
construction: Cast iron, bronze impeller, British marine standard
successor_series: None
Common Failures:
- • Aged mechanical seals
- • Bearing wear after decades
- • Impeller wear/corrosion
- • Casing erosion
Service: Legacy — refurbishment-only service. UK specialist workshops still service installed base.
Spares: Plenty Mirrlees legacy parts via UK specialist refurbishers.
SHINKO Industries RV Serie
150-4000 m³/h
· Sea water/ballast/cargo
pump_type: Vertical centrifugal pump
dn_sizes_mm: [150, 200, 250, 280, 300, 350, 400, 450]
flow_range_m3h: [150, 4000]
head_range_m: [15, 100]
variant_count_approx: 160
period_start_year: 1970
period_end_year: None
drive_type: Electric or steam turbine
construction: Cast iron/bronze, vertical bowl design
successor_series: None
Common Failures:
- • Vertical shaft bearing wear after 15000h
- • Mechanical seal failure at deck level
- • Impeller wear in continuous duty
- • Coupling alignment loss
Service: Vertical bearing inspection every drydock. Mechanical seal at 8000h. Shaft alignment after motor service.
Spares: Shinko/JMS standard parts widely available in Japan and Asia. Stock seal, bearings, shaft sleeve, wear rings.
SHINKO Industries GVD Serie
200-3500 m³/h
· Sea water/ballast
pump_type: Vertical centrifugal pump (heavy-duty marine)
dn_sizes_mm: [200, 250, 300, 350, 400, 500]
flow_range_m3h: [200, 3500]
head_range_m: [20, 90]
variant_count_approx: 120
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron, bronze impeller, mechanical seal
successor_series: None
Common Failures:
- • Mechanical seal leakage in seawater
- • Vertical bearing wear
- • Wear ring clearance increase
- • Impeller erosion
Service: Standard vertical pump service. Seal at 8000h, vertical bearings every drydock.
Spares: Standard Shinko spares globally available via Japanese supply chain.
SPX FLOW (Johnson Pump) CombiPro Serie
50-2200 m³/h
· Sea water/process water/ballast
pump_type: Heavy-duty centrifugal process pump
dn_sizes_mm: [50, 80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [50, 2200]
head_range_m: [10, 90]
variant_count_approx: 130
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Heavy-duty cast iron/stainless
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing housing oil contamination
- • Impeller wear
- • Coupling fatigue
Service: Heavy-duty service intervals. Seal 8000h, bearings every 20000h.
Spares: SPX FLOW global spares network. Cartridge seal, bearings, wear rings.
SPX FLOW (Johnson Pump) CombiBloc Serie
30-800 m³/h
· Fresh water/sea water/process
pump_type: Close-coupled centrifugal pump
dn_sizes_mm: [32, 40, 50, 65, 80, 100, 125, 150]
flow_range_m3h: [30, 800]
head_range_m: [10, 60]
variant_count_approx: 90
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Close-coupled cast iron/bronze
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Motor bearing wear
- • Impeller blockage in dirty service
- • Cavitation damage
Service: Compact service. Seal 8000h, motor bearings per motor schedule.
Spares: SPX FLOW CombiBloc spares globally.
Shanghai Liansheng Pump LSC Marine Serie
50-2500 m³/h
· Sea water/ballast
pump_type: Chinese marine centrifugal pump
dn_sizes_mm: [65, 80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [50, 2500]
head_range_m: [10, 80]
variant_count_approx: 90
period_start_year: 2005
period_end_year: None
drive_type: Electric
construction: Cast iron, CCS-classed
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller wear
- • Casing erosion
Service: CCS-standard service.
Spares: Shanghai Liansheng spares via Chinese supply network.
Shinko GVD 500M
500 m3/h
· 90.0 kW
· Seawater (ballast)
Common Failures:
- • Impeller erosion
- • Mechanical seal failure
- • Bearing wear
- • Casing corrosion
Service: Large centrifugal; check wear rings and impeller clearance.
Spares: Shinko: Ersatzteile per Hersteller-Ersatzteilliste. Mechanische Dichtungen und Laufräder an Bord vorhalten. Lead time: 2-6 Wochen je nach Hersteller.
Sulzer AHLSTAR A Serie
50-3000 m³/h
· Sea water/process water
pump_type: End-suction centrifugal process pump
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300, 350]
flow_range_m3h: [50, 3000]
head_range_m: [10, 90]
variant_count_approx: 130
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Modular API/ISO process design, multiple wetted-part materials
successor_series: None
Common Failures:
- • Mechanical seal failure under abnormal operating conditions
- • Bearing housing oil contamination
- • Impeller erosion in seawater service
- • Wear ring clearance increase
Service: Sulzer ProMaintain monitoring available. Seal inspection every 8000h. Bearing oil sampling every 6 months. Impeller inspection at drydock.
Spares: Sulzer Service Centers globally. Cartridge seal, bearing set, wear rings, casing gaskets. Lead time 6-10 weeks.
Sulzer SMD Serie
500-15000 m³/h
· Sea water/ballast/cooling water
pump_type: Axially-split double-suction centrifugal pump
dn_sizes_mm: [150, 200, 250, 300, 400, 500, 600, 700]
flow_range_m3h: [500, 15000]
head_range_m: [15, 180]
variant_count_approx: 170
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast steel, axially-split, multiple material options
successor_series: None
Common Failures:
- • Casing split joint gasket leakage
- • Bearing wear from misalignment
- • Impeller cavitation erosion at low NPSH
- • Mechanical seal failure
Service: Inspection without removing pipework via axial split. Casing joint torque check at every overhaul. Seal cartridge replacement every 8000h.
Spares: Sulzer Service worldwide. Stock casing joint set, bearings, seals, coupling. Lead time 8-12 weeks for non-stock items.
Sulzer SNS Serie
40-1500 m³/h
· Sea water/fresh water
pump_type: End-suction centrifugal pump (ISO 2858/5199)
dn_sizes_mm: [50, 65, 80, 100, 125, 150, 200, 250]
flow_range_m3h: [40, 1500]
head_range_m: [10, 90]
variant_count_approx: 120
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: ISO standard, cast iron/bronze/stainless options
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller erosion
- • Cavitation damage from poor suction
Service: ISO-standardised parts. Seal at 8000h, bearings at 20000h. Suction conditions to be verified at commissioning.
Spares: ISO 5199 standard interchangeability. Sulzer parts via global service network.
Svanehøj DW Ballast Marine
100-3000 m³/h
· Sea water/cargo/ballast
pump_type: Vertical deepwell electric pump
dn_sizes_mm: [100, 150, 200, 250, 300, 400]
flow_range_m3h: [100, 3000]
head_range_m: [20, 150]
variant_count_approx: 70
period_start_year: 2000
period_end_year: None
drive_type: Electric (deck-mounted motor)
successor_series: None
Common Failures:
- • Mechanical seal leakage at deck-seal arrangement
- • Line shaft bearing wear
- • Vibration from misalignment
- • Impeller corrosion in seawater
Service: Deck-mounted motor — easier to service than submerged. Line shaft bearings inspected at drydock.
Spares: Svanehøj DW Ballast parts via Danish marine specialist network.
TAIKO Kikai Industries VS / VSL Serie
100-2000 m³/h
· Sea water/ballast/general service
pump_type: Vertical centrifugal pump (Asia standard)
dn_sizes_mm: [100, 125, 150, 200, 250, 300, 350]
flow_range_m3h: [100, 2000]
head_range_m: [10, 80]
variant_count_approx: 100
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, marine-spec
successor_series: None
Common Failures:
- • Mechanical seal degradation in seawater
- • Vertical shaft bearing wear
- • Impeller wear from continuous service
- • Casing erosion in coastal trade
Service: Standard marine service intervals. Seal every 8000h, bearings every drydock.
Spares: TAIKO spares via Japanese/Asian supply network.
TAIKO Kikai Industries DBV Serie
500-4500 m³/h
· Sea water/ballast
pump_type: Heavy-duty double-suction marine pump
dn_sizes_mm: [200, 250, 300, 350, 400, 500]
flow_range_m3h: [500, 4500]
head_range_m: [15, 80]
variant_count_approx: 90
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Cast steel, double-suction, bronze impeller
successor_series: None
Common Failures:
- • Casing joint gasket leakage
- • Double-suction wear imbalance
- • Bearing wear
- • Mechanical seal failure
Service: Heavy-duty schedule: seal 6000h, bearings every 18000h, casing inspection drydock.
Spares: TAIKO heavy-duty spares via Japanese network.
THUNE-EUREKA CG / CB Serie
150-3500 m³/h
· Sea water/ballast
pump_type: Vertical centrifugal pump (historical)
dn_sizes_mm: [100, 125, 150, 200, 250, 300, 400, 500]
flow_range_m3h: [150, 3500]
head_range_m: [10, 80]
variant_count_approx: 120
period_start_year: 1970
period_end_year: 2005
drive_type: Electric or steam turbine
construction: Cast iron/bronze, Norwegian marine standard
successor_series: None
Common Failures:
- • Mechanical seal aged technology — frequent leakage
- • Vertical bearing wear after 30+ years
- • Impeller wear/corrosion
- • Casing flange gasket leakage
Service: Legacy units — typically ground-up refurbishment every 10 years. Major service via specialised Scandinavian workshops.
Spares: THUNE-EUREKA legacy parts via Norwegian and Scandinavian specialist suppliers. Some parts hand-fabricated to original drawings.
Wilo Atmos GIGA-N Serie
30-800 m³/h
· Sea water/fresh water
pump_type: End-suction centrifugal pump
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150]
flow_range_m3h: [30, 800]
head_range_m: [10, 80]
variant_count_approx: 80
period_start_year: 2000
period_end_year: None
drive_type: Electric
construction: Cast iron, IEC motor
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Motor bearing wear
- • Impeller wear
- • Coupling alignment issues
Service: Standard pump service.
Spares: Wilo global service network.
Worthington Marine Centrifugal Serie
100-3000 m³/h
· Sea water/ballast
pump_type: Horizontal centrifugal pump (US heritage)
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300, 400]
flow_range_m3h: [100, 3000]
head_range_m: [10, 90]
variant_count_approx: 100
period_start_year: 1950
period_end_year: 1995
drive_type: Electric or steam turbine
construction: Cast iron, US marine standard
successor_series: None
Common Failures:
- • Aged seals/packing
- • Bearing wear
- • Impeller wear/corrosion
- • Casing erosion
Service: Legacy — refurbishment via US specialist workshops.
Spares: Worthington legacy parts via specialist US suppliers (now sub-brands of Flowserve and others).
Wärtsilä Pumps (HAMWORTHY) C-Serie
100-2800 m³/h
· Sea water/ballast
pump_type: Horizontal centrifugal marine pump
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [100, 2800]
head_range_m: [15, 90]
variant_count_approx: 90
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, British marine standard
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller erosion
- • Wear ring clearance
Service: Wärtsilä-certified service intervals. Seal 8000h, bearings 20000h.
Spares: Wärtsilä Pumps service network globally — formerly Hamworthy UK.
Yong-Lin Machinery YL Marine Pump
100-3000 m³/h
· Sea water/ballast
pump_type: Chinese marine centrifugal pump
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300, 400]
flow_range_m3h: [100, 3000]
head_range_m: [10, 80]
variant_count_approx: 100
period_start_year: 2000
period_end_year: None
drive_type: Electric
construction: Cast iron, CCS-classed
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller erosion
- • Casing wear
Service: CCS-standard service intervals.
Spares: Yong-Lin spares via Chinese marine supply network.