page top

Kawamoto Pump Mfg. Co., Ltd.



From left
1st: Manual type
2nd: Mutomatic type
3rd: Automatic alternate type
4th: Manual type (Pedestal support type)


  • Waste water
  • Septic tank drainage
  • Pit drainage
  • Drainage for rain water and sump
  • Building drainage


  • Superior H-Q performance and less concern about impeller lock from rust because of adopting closed impeller and Bronze or Stainless cast steel material for impeller.
  • Adopting safe, long life, & high torque exclusive submersible motor with built-in auto-cut function.
  • Attached strainer blocks foreign objects sucked into pump. The Strainer is exercised ingenuity to contribute increasing pump performance, trimming weight, and ventilation.
  • The flange is attached with a pedestal support to avoid excess load to be applied to the pump.
  • Double mechanical seal structure adopting SiC, a high durability material for lubrication material , shuts off water immersion to motor.
  • Two types available: flange type and pedestal support type for easy maintenance and inspection.
  • As well as manual operation type, Automatic type and Automatic alternate type are available. Automatic alternate operation type can carry out alternate operation with Automatic type, and parallel operation just in case of abnormal high water level withou
  • Protection circuit for electric parts is equipped on the models with float switches.

Standard spec

Application liquid
Fluid quality: Dirty water like sump and etc, not including solids (pH5~9)
Fluid temperature: 0~40°C
Impeller: Bronze or Stainless cast steel (304)
Shaft: SUS403
Casing: Cast iron
Type: Dry-sealed submersible motor (Built in auto cut)
Power source: Three phase
Speed: 50Hz: 3,000 min-1, 60Hz: 3,600 min-1
Max. submersing depth
8m (1.5 kW or more: 8m)
Impeller: Closed (Strainer is attached at suc.)
Shaft sealing: Double mechanical seal (Liquid side: SiC x SiC, Motor side: Ceramic x Carbon)
Seal oil: Turbine oil
Bearing: Closed ball bearing
Flange figure
Exclusive flange (JIS 10K thin type)
Paint color (Munsell No.)
Scarlet (5R3/12)

Standard Accessories

4 cores submersible cable: 0.75kW: 6m, 1.5kW or more: 10m

Companion flange: 1 set (with packing and bolts)

Fluid level switch: in case float switch built in model

Pedestal support: in case pedestal support type

Optional Accessories

Control panel
EBA type full water level alarm control panel
EFS type trouble detector for drainage pump
Float switch