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Kawamoto Pump Mfg. Co., Ltd.

Pressure pneumatic



  • Automatic water supply for underground tank
  • Automatic water supply for shallow well
  • Water supply for small building
  • Industrial
  • Other general water supply


  • Constant pressure water supply: An operation method with a pressure switch and flow switch has been adopted, so a stable water supply pressure can be achieved, with very little pressure fluctuation and without start & stop during water supply. moreover, n
  • Compact design: Small size and large discharge capacity automatic packaged booster pump unit combined with GS3-C type pump and pressure tank.
  • Equipped automatic air feeder: Stable operation with automatic air feeder.
  • Water hummer-less: Adopting hummer-less check valve between pump and tank.
  • Easy installation: Installation will finish just by connecting three phase power source because of built-in magnetic contactor.
  • TEFC motor: Long life and tough against insulation degradation by humidity and dust.

Standard spec

Control method
Control method: Constant pressure water supply with pressure and flow switch.
Operation method
Operation method: Single
Installation location
Installation location: Indoor
Fluid quality: Clean water
Fluid temperature: 0~40°C
Impeller: Cast iron
Shaft: SUS403
Casing: Cast iron
Pressure tank: Steel
Type: TEFC outdoor
Power source: Three phase
Speed: 50Hz: 3,000min-1, 60Hz: 3,600min-1
Efficiency: Premium efficiency (IE3)
Suction condition
Suction condition: up to -6m (20°C)
Paint color (Munsell No.)
Paint color (Munsell No.): Control panel: Beige (5Y7/1), Others: Gray (2.5PB5.1/0.8)

Standard Accessories

Control panel: EC5B-01 type

Pressure switch

Flow switch

Check valve

Pressure tank

Air feeder


Others: Companion flange and base

Optional Accessories