TSURUMI PUMP NK3-22 a submersible single-phase portable drainage pump having a larger output motor. Though it is a single-phase unit, the pump has the durability equivalent to three-phase drainage pumps, since the wear parts are made of abrasion resistant materials. The top discharge, side flow design assures efficient motor cooling even when it operates with its motor exposed to air. The slim design allows the pump to be placed in a confined space.


Application :

  • Residential, commercial, industrial wastewater and construction site drainage.
  • Effluent transfer.
  • Decorative waterfalls and fountains.
  • Raw water supply from rivers or lakes.


  • Double inside mechanical seals with silicon carbide faces, running in an oil filled chamber and further protected by a lip seal running against a replaceable, stainless steel shaft sleeve provides for the most durable seal design available.
  • Highly efficient, continuous duty, air filled, copper wound motor with class B insulation minimizes the cost of operation.
  • Built in thermal & amperage sensing protector prevents motor failure due to overloading or accidental run dry conditions.
  • Double shielded, permanently lubricated, high temperature C3 ball bearings rated for a B-10 life of 60,000 hours extend operational life.
  • Top discharge, flow-thru design enables operation at low water levels for extended periods.


  • Optional SAND KIT available to suspend solids and prevent clogging (NK2-15SK, NK3-22SK)
  • Synthetic Rubber Wear Parts for maximum durability and pump performance
  • Continuous duty air-filled motor
  • Ductile iron semi-vortex impeller
  • Dual voltage available on NK2-15 model

Specification of Tsurumi Pump NK3-22:

  • Motor Output (HP): 3
    Phase: Single
    Discharge Bore (in.): 3
    Voltage/Amp: 220/13.0
    Cable Length (ft.): 32
    Dimension (Dia x H, in.): 9-1/4 x 26-1/2
    Continuous Running Water Level (in.): 4-3/4
    Pump Weight (lbs.): 84

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