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Kawamoto Pump Mfg. Co., Ltd.

Submersible(drainage)

ZU/ZUJ

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

Application

  • Drainage of sewage
  • Sewage including solid and drainage facility for office building, commercial building, hotel, school, hospital, factory, and etc.

Feature

  • Adoption of new S-shaped impellers provides excellent object passage.
  • Compact, light weight and less installation space by adoption of 2 pole submersible motor.
  • Adoption of the air pocket forming prevention mechanism on the back side of the impeller.
  • Double mechanical seal employing oil bus type wear resistant material (SiC) to prevent flooding into the motor, and built-in auto cut prevents motor burnout.
  • Adopting powerful, safe, and long life exclusive submersible motor.
  • Automatic operation model (L type: Automatic, LN type: Automatic alternate) with Float switch are available.
  • ZUJ type is equipped with a pedestal support for easy maintenance and inspection.
  • Protection circuit for electric parts is equipped on the models with float switches.
  • Evaluated item of by (C) Public Buildings Association., Ltd. in Japan.

Standard spec

Application liquid
Fluid quality: Miscellaneous sump, sewage, Hydrogen ion concentration pH5~9
Fluid temperature: 0 to 40 °C
Materials
Impeller: Ductile Cast iron
Shaft: SUS403
Casing: Cast iron
Motor
Type: Dry-sealed motor (auto-cut built in)
Power source: Single phase or Three phase
Speed: 50Hz: 3,000 min-1, 60Hz: 3,600 min-1
Max. submersing depth
Max. submersing depth: 8m
Structure
Impeller: Semi open S shape non-clog
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
Flange figure: JIS10K thin type or special flange
Paint color (Munsell No.)
Paint color (Munsell No.): Scarlet (5R3/12)

Standard Accessories

Submersible cable: *3 core in single phase, 4 core in three phase, 0.75kW or less: 6m, 1.5kW or more: 10m

Companion flange: One set (with packing and bolts)

Fluid level switch: in case float switch built in model

4m chain: One set (only in ZUJ type)

Cable band: 3 pcs (only in ZU3 type)


Optional Accessories

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