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Kawamoto Pump Mfg. Co., Ltd.




  • Self priming type
  • Drainage
  • Industry
  • Cooling water
  • Agriculture


  • All products in this series are self priming type which does not require foot valve and makes priming works easier.
  • Gland packing types are also available.
  • Simple construction and superior pump efficiency.
  • Easy maintenance and inspection due to back pull out construction.
  • Sealed ball bearing which doesn't require oil feeding is adopted.
  • Sister products FSZ series which can handle seawater is also available.
  • Adopting unique shaft seal structure enhances self priming efficiency.

Standard spec

Application liquid
Fluid quality: Clean water (pH5.8~8.6), Agricultural water
Fluid temperature: 0 to 90°C (no freezing)
Impeller: Cast iron
Shaft: SUS403
Casing: Cast iron
Type: TEFC indoor
Power source: Three phase
Speed: 50Hz: 1,500 min-1, 60Hz: 1,800 min-1
Efficiency: Premium efficiency (IE3)
Installation location
Installation location: Indoor (ambient temperature/humidity 0~40°C/90%RH or less)
Impeller: Closed
Shaft sealing: Mechanical seal
Bearing: Closed ball bearing
Flange figure
Flange figure: FS4: Special square flange with valve seat (suction) and Special square flange (discharge), FS: Special square flange with valve seat (suction) and JIS 10K thin type (discharge)
Paint color (Munsell No.)
Paint color (Munsell No.): Gray (2.5PB5.1/0.8)

Optional Accessories

Valve set (Check valve, Sluice valve, and Gage mounting bracket)
Pressure gage
Compound gage
Vibration proof bed
Vibration proof joint
Pipe silencer