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FSP | 3-phase / 50Hz


A bypass attached to the discharge opening recycles part of pumped water to the intake to generate a jet flow. An ejector effect produced by the jet flow, generates suction power in the collection cup (Intake). This guarantees a stable sucking process even if water, air, and suspended matter are drawn in from water surface simultaneously.

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ModelColour code curveBore mmPower output kWPhasesr.p.m.Head max. mCapacity max. l/minStarting methodfree standingImpeller passage mm
4-FSP 1 50 0,4 3 2850 4,9 180 direct 36,0 16
8-FSP 2 50 0,75 3 2850 5,3 255 direct 38,0 22
ø Discharge bore mm 50mm
Pumping Fluid Type of Fluid Treated sewage
Temperature 0-40°C
Pump Compo- nents Impeller Non-clog impeller
Shaft Seal Double mechanical seal
Bearings Shielded ball bearings
Material Impeller Grey iron casting EN-GJL-200
Upper casing Grey iron casting EN-GJL-200
Lower casing Grey iron casting EN-GJL-200
Shaft Seal Silicon carbide in oil bath
Float Plastic
Motor Insulation Insulation class E
Type, Poles Induction motor, 2 poles, IP68
Motor Protector (built-in) Circle thermal cut-out
Phase / Voltage 3-phase / 400V / 50Hz / d.o.l.
Lubrication Turbine oil (ISO VG32)
Material Casing Grey iron casting EN-GJL-150
Shaft Stainless steel EN-X6Cr13
Cable Rubber, NSSHÖU
Discharge Connection Hose coupling

Dimensions in mm:

  • 4-FSP
  • 8-FSP

W1: lowest running water level

Please mind: discharge bend, duck foot bend and stand set are accessories and must be ordered separately