page top

Kawamoto Pump Mfg. Co., Ltd.

Sea water



  • Seawater
  • Seawater intake and circulation
  • Fishery farm and processing factory.


  • Superior corrosion resistance according to exclusively designed pump for nylon coating.
  • Various kind of models from small to large bore size, and from low to high head.
  • Easy maintenance and inspection due to back pull out construction.
  • High efficiency and wide applications for various usages.

Standard spec

Application liquid
Fluid quality: Clean water: pH5.8~8.6, Seawater: pH7.8~8.2 Chloride ion concentration 19,000mg/L or less Sand contents: 1,000mg/L or less
Fluid temperature: 0 to 40 °C (no freezing)
Impeller: Stainless cast steel (316)
Shaft: SUS316(portion contacting liquid)
Casing: Cast iron + Nylon coating
Type: TEFC indoor
Power source: Three phase
Speed: 50Hz: 1,500 min-1, 60Hz: 1,800 min-1
Efficiency: Premium efficiency in 0.75kW or more
Installation location
Installation location: Indoor
Impeller: Closed
Shaft sealing: Mechanical seal
Bearing: Closed ball bearing
Flange figure
Flange figure: JIS 10K standard type
Paint color (Munsell No.)
Paint color (Munsell No.): Nylon coating part: White (N-9.5), Others: Gray (2.5PB5.1/0.8)

Standard Accessories

Motor: TEFC indoor

Base: Cast iron

Coupling: with cover

Priming funnel

Optional Accessories

Priming funnel
Stop valve for priming funnel
Bushing for attachment
Foundation bolt
Wedge (except for a part of models)
Companion flange