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Tsurumi KRS Series Submersible Pumps

Tsurumi KRS Series Submersible Pumps are top discharge so that the Pumped water cools the motor and discharges as illustrated. The motor can be cooled even when pumping a small amount of water. The top discharge arrangement allows access into areas with space limitations.


ø Discharge bore mm 100, 150, 200,250
Pumping FluidTemperature0-40°C
Type of FluidSpring water, Rain water, Ground water, Sand carrying water
PumpCompo- nentsImpellerSemi-open type impeller, Closed type impeller
Shaft SealDouble mechanical seal
BearingsShielded ball bearings
MaterialImpellerDuctile iron casting EN-GJS-700-2
CasingGrey iron casting EN-GJL-200
Suction PlateGrey iron casting EN-GJL-200
Shaft SealSilicon carbide in oil bath
MotorType, PolesInduction motor, 4 poles, IP68
LubricationTurbine oil (ISO VG32)
Motor Protector (built-in)Circle thermal cut-out
InsulationInsulation class E, Insulation class F, Insulation class B
Phase / Voltage3-phase / 400V / 50Hz / d.o.l.
MaterialCasingGrey iron casting EN-GJL-150, Grey iron casting EN-GJL-200
ShaftStainless steel EN-X30Cr13
CableRubber, NSSHÖU
Discharge ConnectionThreaded flange, Hose coupling