Cooling Water Pump
critical
Known Models (34)
ALLWEILER (CIRCOR/IDEX) NTT Serie (Hot Water/Thermal)
30-1500 m³/h
· Hot fresh water/thermal oil
pump_type: High-temperature centrifugal 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: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron with high-temp seals, max 350°C
successor_series: None
Common Failures:
- • Mechanical seal leakage at high-temp cycling
- • Bearing wear from thermal expansion
- • Casing gasket leakage
- • Coupling element heat fatigue
Service: High-temperature service: seal replacement every 6000h. Alignment check after thermal cycling.
Spares: High-temp seal cartridge, bearing set, high-temp gaskets. Lead time CIRCOR 6-10 weeks.
ALLWEILER (CIRCOR/IDEX) NB Cooling Marine
50-1800 m³/h
· Sea water/fresh water
pump_type: End-suction centrifugal cooling pump
dn_sizes_mm: [50, 65, 80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [50, 1800]
head_range_m: [10, 80]
variant_count_approx: 120
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller corrosion in seawater
- • Wear ring clearance increase
Service: Standard cooling-pump service. Seal 8000h, bearings 20000h.
Spares: Standard CIRCOR/IDEX spares globally.
AZCUE Pumps MN Cooling
30-1200 m³/h
· Sea water/fresh water
pump_type: Close-coupled centrifugal cooling pump
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150, 200]
flow_range_m3h: [30, 1200]
head_range_m: [10, 70]
variant_count_approx: 90
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Motor bearing wear
- • Impeller blockage
- • Cavitation
Service: Compact service intervals.
Spares: AZCUE MN spares.
Behrens (Schoenrock) BBM Cooling Marine
50-1200 m³/h
· Sea water
pump_type: German marine cooling pump
dn_sizes_mm: [50, 65, 80, 100, 125, 150, 200, 250]
flow_range_m3h: [50, 1200]
head_range_m: [10, 70]
variant_count_approx: 70
period_start_year: 1970
period_end_year: 2005
drive_type: Electric
construction: Cast iron/bronze
successor_series: None
Common Failures:
- • Aged seals
- • Bearing wear
- • Impeller corrosion
- • Casing wear
Service: Legacy refurbishment service.
Spares: Behrens legacy parts via Hamburg/Bremen specialists.
DESMI NSL Cooling Variant
50-2500 m³/h
· Sea water/fresh water
pump_type: Vertical in-line centrifugal cooling 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: Cast iron/bronze, modular
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller corrosion
- • Wear ring clearance
Service: Modular service. Seal 8000h, bearings 20000h.
Spares: DESMI standard parts widely stocked.
DESMI NSLH (HT/LT)
50-2000 m³/h
· Hot fresh water (HT/LT cooling)
pump_type: Vertical in-line centrifugal pump (high-temp)
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [50, 2000]
head_range_m: [15, 80]
variant_count_approx: 120
period_start_year: 2005
period_end_year: None
drive_type: Electric
construction: Cast iron, high-temp seals
successor_series: None
Common Failures:
- • Mechanical seal failure at HT cycling
- • Bearing wear
- • Cavitation under reduced NPSH
- • Casing thermal stress
Service: HT service: seal every 6000h. Thermal cycling impact on alignment.
Spares: High-temp seal cartridge, bearings, gaskets.
EBARA 3M Cooling Marine
40-1500 m³/h
· Sea water/fresh water
pump_type: End-suction centrifugal cooling pump
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150, 200]
flow_range_m3h: [40, 1500]
head_range_m: [10, 75]
variant_count_approx: 110
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: JIS marine standard
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller wear
- • Cavitation
Service: JIS standard.
Spares: EBARA spares globally.
Grundfos NK Marine Cooling
30-800 m³/h
· Sea water/fresh water
pump_type: Long-coupled centrifugal cooling pump
dn_sizes_mm: [32, 40, 50, 65, 80, 100, 125, 150]
flow_range_m3h: [30, 800]
head_range_m: [10, 80]
variant_count_approx: 80
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Motor bearing wear
- • Impeller wear
- • Cavitation
Service: Standard service.
Spares: Grundfos global service network.
Heishin Pump (Sulzer) NV Cooling
100-2500 m³/h
· Sea water
pump_type: Vertical cooling pump
dn_sizes_mm: [100, 125, 150, 200, 250, 300, 350]
flow_range_m3h: [100, 2500]
head_range_m: [10, 80]
variant_count_approx: 80
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: JIS standard
successor_series: None
Common Failures:
- • Mechanical seal degradation
- • Vertical bearing wear
- • Impeller wear
- • Coupling alignment loss
Service: JIS marine service.
Spares: Heishin/Sulzer Japan parts.
Hyup Sung Pump HSP Cooling
100-2000 m³/h
· Sea water
pump_type: Korean marine cooling pump
dn_sizes_mm: [80, 100, 125, 150, 200, 250]
flow_range_m3h: [100, 2000]
head_range_m: [10, 80]
variant_count_approx: 70
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, KS 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 network.
IRON PUMP CG Bronze Cooling
50-1500 m³/h
· Sea water cooling
pump_type: Bronze-construction cooling pump
dn_sizes_mm: [50, 65, 80, 100, 125, 150, 200, 250]
flow_range_m3h: [50, 1500]
head_range_m: [10, 80]
variant_count_approx: 100
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: All-bronze for seawater longevity
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Wear ring increase
- • Impeller erosion (slow due to bronze)
Service: Long-life bronze construction. Seal 10000h, bearings 25000h.
Spares: IRON PUMP DK long-term parts availability.
IRON PUMP CVL Vertical Cooling
100-2500 m³/h
· Sea water
pump_type: Vertical inline cooling pump
dn_sizes_mm: [100, 125, 150, 200, 250, 300]
flow_range_m3h: [100, 2500]
head_range_m: [10, 75]
variant_count_approx: 90
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Bronze impeller, cast iron casing
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Pipe-strain induced vibration
- • Impeller wear
Service: Inline service.
Spares: IRON PUMP CVL parts.
ITT Goulds Pumps 3196 Cooling
40-1500 m³/h
· Sea water/process
pump_type: ANSI process cooling pump
dn_sizes_mm: [40, 50, 80, 100, 125, 150, 200, 250]
flow_range_m3h: [40, 1500]
head_range_m: [10, 150]
variant_count_approx: 100
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: ANSI standard
successor_series: None
Common Failures:
- • Mechanical seal failure
- • Bearing housing oil leakage
- • Impeller wear
- • Cavitation
Service: ANSI process service.
Spares: ITT Goulds global service.
Iron Eagle (Dongil) DEA Cooling
100-2500 m³/h
· Sea water
pump_type: Korean marine cooling pump
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [100, 2500]
head_range_m: [10, 80]
variant_count_approx: 100
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, KS standard
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller wear
- • Casing erosion
Service: KS standard service.
Spares: Dongil spares via Korean network.
Iwaki Pumps MD Magnetic Cooling
5-200 m³/h
· Sea water/chemicals/coolant
pump_type: Magnetic drive sealless cooling 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
successor_series: None
Common Failures:
- • Magnet decoupling
- • Sleeve bearing wear
- • Inner-magnet impeller wear
- • Containment shell wear
Service: Sealless service.
Spares: Iwaki specialist parts.
KSB Etanorm-RSY (Marine HT)
40-1500 m³/h
· Hot fresh water/HT cooling
pump_type: High-temperature end-suction centrifugal pump
dn_sizes_mm: [32, 40, 50, 65, 80, 100, 125, 150, 200]
flow_range_m3h: [40, 1500]
head_range_m: [10, 80]
variant_count_approx: 120
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Cast iron with high-temp seals, max 180°C
successor_series: None
Common Failures:
- • High-temp seal failure
- • Bearing wear
- • Impeller fatigue
- • Casing thermal expansion
Service: HT service intervals. Seal 6000h, bearings 20000h.
Spares: KSB MarineCare HT-specific spares.
KSB Movitec Marine
5-200 m³/h
· Fresh water/auxiliary cooling
pump_type: Vertical multistage centrifugal pump
dn_sizes_mm: [25, 32, 40, 50, 65, 80, 100]
flow_range_m3h: [5, 200]
head_range_m: [20, 250]
variant_count_approx: 80
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Stainless steel, multistage
successor_series: None
Common Failures:
- • Stage wear
- • Mechanical seal leakage
- • Bearing wear
- • Cavitation damage at low NPSH
Service: Multistage service: stages inspected at 15000h.
Spares: KSB Movitec stage cartridges, bearings, seals.
Kawasaki Heavy Industries KMP Cooling
200-3500 m³/h
· Sea water
pump_type: Vertical heavy-duty cooling pump
dn_sizes_mm: [150, 200, 250, 300, 400]
flow_range_m3h: [200, 3500]
head_range_m: [15, 80]
variant_count_approx: 70
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: JIS standard
successor_series: None
Common Failures:
- • Vertical bearing wear
- • Mechanical seal
- • Impeller wear
- • Coupling alignment
Service: JIS standard service.
Spares: Kawasaki spares.
Klaus Union SLM Sealless Cooling
30-500 m³/h
· Sea water/process coolant
pump_type: Sealless magnetic drive cooling pump
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150]
flow_range_m3h: [30, 500]
head_range_m: [10, 90]
variant_count_approx: 50
period_start_year: 1990
period_end_year: None
drive_type: Magnetic coupling
successor_series: None
Common Failures:
- • Magnetic coupling failure
- • Sleeve bearing wear
- • Containment can wear
- • Internal corrosion
Service: Sealless service.
Spares: Klaus Union specialist parts.
Mitsubishi MA Cooling
300-4500 m³/h
· Sea water
pump_type: Heavy-duty centrifugal cooling pump
dn_sizes_mm: [200, 250, 300, 350, 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: Cast iron/bronze, JIS
successor_series: None
Common Failures:
- • Mechanical seal failure
- • Bearing wear
- • Impeller erosion
- • Casing flange leakage
Service: JIS heavy-duty service.
Spares: MHI spares via Japanese network.
NANIWA Pump HVC Marine Cooling
100-2500 m³/h
· Sea water/fresh water
pump_type: Horizontal centrifugal cooling pump
dn_sizes_mm: [100, 125, 150, 200, 250, 300, 350]
flow_range_m3h: [100, 2500]
head_range_m: [10, 75]
variant_count_approx: 140
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, JIS
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing overheating
- • Impeller corrosion
- • Cavitation
Service: JIS standard cooling service.
Spares: Naniwa via Japanese supply network.
NANIWA Pump DRV Vertical Cooling
150-3000 m³/h
· Sea water
pump_type: Vertical centrifugal cooling pump
dn_sizes_mm: [150, 200, 250, 300, 350, 400]
flow_range_m3h: [150, 3000]
head_range_m: [10, 80]
variant_count_approx: 120
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze
successor_series: None
Common Failures:
- • Line-shaft bearing wear
- • Mechanical seal leakage
- • Impeller corrosion
- • Vibration from shaft alignment
Service: Vertical service intervals.
Spares: Naniwa DRV spares.
NIKKISO NEC Canned Cooling
30-1500 m³/h
· Process coolant/sea water
pump_type: Canned motor sealless cooling 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: 70
period_start_year: 1985
period_end_year: None
drive_type: Canned electric motor
successor_series: None
Common Failures:
- • Sleeve bearing wear
- • Stator insulation degradation
- • Internal recirculation wear
- • Cooling-flow blockage
Service: Canned motor service.
Spares: NIKKISO specialist parts.
SHINKO Industries HVC Cooling Serie
100-3000 m³/h
· Sea water/fresh water cooling
pump_type: Horizontal centrifugal cooling pump
dn_sizes_mm: [100, 125, 150, 200, 250, 300, 350]
flow_range_m3h: [100, 3000]
head_range_m: [10, 80]
variant_count_approx: 150
period_start_year: 1975
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, JIS standard
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller corrosion
- • Coupling alignment loss
Service: JIS standard service. Seal 8000h.
Spares: Shinko parts via Japanese supply network.
SHINKO Industries KV Cooling
80-2500 m³/h
· Sea water/cooling
pump_type: Vertical centrifugal cooling pump
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [80, 2500]
head_range_m: [10, 80]
variant_count_approx: 130
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze
successor_series: None
Common Failures:
- • Vertical bearing wear
- • Mechanical seal leakage
- • Impeller wear
- • Wear ring clearance
Service: Vertical service intervals.
Spares: Shinko KV standard spares.
SPX FLOW (Johnson Pump) CombiNorm Cooling
30-1200 m³/h
· Sea water/fresh water
pump_type: DIN end-suction cooling pump
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150, 200]
flow_range_m3h: [30, 1200]
head_range_m: [10, 70]
variant_count_approx: 90
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: DIN 24255 standard, cast iron/bronze
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller wear
- • Coupling alignment
Service: DIN standard service.
Spares: SPX FLOW global parts.
SPX FLOW (Johnson Pump) CombiBloc Cooling
30-800 m³/h
· Fresh water cooling
pump_type: Close-coupled cooling 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: 80
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Motor bearing wear
- • Impeller wear
- • Cavitation
Service: Compact service.
Spares: SPX FLOW parts.
Sulzer AHLSTAR W (Cooling)
50-3000 m³/h
· Sea water/process cooling
pump_type: Process-grade centrifugal cooling pump
dn_sizes_mm: [50, 65, 80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [50, 3000]
head_range_m: [10, 90]
variant_count_approx: 140
period_start_year: 1995
period_end_year: None
drive_type: Electric
construction: Process-grade cast iron/stainless
successor_series: None
Common Failures:
- • Mechanical seal failure
- • Bearing housing oil leakage
- • Impeller wear
- • Casing gasket leakage
Service: Process-grade service intervals.
Spares: Sulzer Service Centers globally.
Sulzer SNS Cooling
40-1500 m³/h
· Sea water/fresh water
pump_type: ISO end-suction cooling pump
dn_sizes_mm: [50, 65, 80, 100, 125, 150, 200, 250]
flow_range_m3h: [40, 1500]
head_range_m: [10, 80]
variant_count_approx: 100
period_start_year: 1990
period_end_year: None
drive_type: Electric
construction: ISO 5199 standard
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller corrosion
- • Cavitation
Service: ISO standard service.
Spares: Sulzer global service.
TAIKO Kikai Industries HD Cooling Serie
100-2500 m³/h
· Sea water
pump_type: Horizontal centrifugal cooling pump
dn_sizes_mm: [100, 125, 150, 200, 250, 300, 350]
flow_range_m3h: [100, 2500]
head_range_m: [10, 75]
variant_count_approx: 110
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, JIS
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller wear
- • Wear ring clearance
Service: JIS standard cooling service.
Spares: Taiko standard spares.
TAIKO Kikai Industries VHS Vertical Cooling
150-3500 m³/h
· Sea water
pump_type: Vertical centrifugal cooling pump
dn_sizes_mm: [150, 200, 250, 300, 350, 400]
flow_range_m3h: [150, 3500]
head_range_m: [10, 80]
variant_count_approx: 100
period_start_year: 1985
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze
successor_series: None
Common Failures:
- • Vertical bearing wear
- • Mechanical seal leakage
- • Impeller corrosion
- • Coupling alignment
Service: Vertical service.
Spares: Taiko VHS parts.
Wilo Atmos GIGA-N Cooling
30-800 m³/h
· Fresh water/cooling
pump_type: End-suction cooling pump
dn_sizes_mm: [40, 50, 65, 80, 100, 125, 150]
flow_range_m3h: [30, 800]
head_range_m: [10, 80]
variant_count_approx: 70
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
- • Cavitation
Service: Standard service.
Spares: Wilo global service.
Wärtsilä Pumps (HAMWORTHY) C-Serie Cooling
100-2500 m³/h
· Sea water
pump_type: Horizontal centrifugal cooling pump
dn_sizes_mm: [80, 100, 125, 150, 200, 250, 300]
flow_range_m3h: [100, 2500]
head_range_m: [15, 80]
variant_count_approx: 80
period_start_year: 1980
period_end_year: None
drive_type: Electric
construction: Cast iron/bronze, British marine
successor_series: None
Common Failures:
- • Mechanical seal leakage
- • Bearing wear
- • Impeller erosion
- • Wear ring clearance
Service: Wärtsilä-certified service.
Spares: Wärtsilä Pumps spares globally.
Yong-Lin Machinery YL Cooling
50-2500 m³/h
· Sea water
pump_type: Chinese marine cooling 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: 2000
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: Yong-Lin spares via Chinese network.