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GSZ | 3-phase / 50Hz

4-pole motor for an increased lifetime and greater convenience.

Performance curves



ModelColour code curveBore mmMotor output kWRated current AHead max. mCapacity max. l/minDry weight kg w/o cableMax. solid handling ø mmPressure resistance max. mCable length m
GSZ2-75-4 250 75,0 152,0 52,0 12500 1200 25 20 20
GSZ2-75-4L 250 75,0 152,0 38,0 17500 1200 25 20 20


ø Discharge bore mm 250
Pumping Fluid Temperature 0-40°C
Type of Fluid Spring water, Rain water, Ground water, Sand carrying water
Pump Compo- nents Impeller Closed type impeller
Shaft Seal Double mechanical seal
Bearings Shielded ball bearings
Material Impeller Stainless steel casting DIN X5CrNi18-10, Chromium iron casting
Casing Grey iron casting EN-GJL-200
Shaft Seal Silicon carbide in oil bath
Motor Type, Poles Induction motor, 4 poles, IP68
Lubrication Turbine oil (ISO VG32)
Motor Protector (built-in) Miniature protector
Insulation Insulation class E
Phase / Voltage 3-phase / 400V / 50Hz / s.d.
Material Casing Grey iron casting EN-GJL-200
Shaft Stainless steel EN-X30Cr13
Cable Rubber, NSSHÖU
Discharge Connection JIS 10K Flange

Dimensions in mm:

  • GSZ2-75-4
  • GSZ2-75-4L

W1: lowest running water level

In the event of abrasive and corrosive utilization, stronger wear and tear will take place naturally in certain components. In this regard, please pay attention to our website www.tsurumi.eu/english/applications.htm.