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Tsurumi GSZ Submersible Pumps

Tsurumi GSZ Submersible Pumps have 4-pole motors for an increased lifetime and greater convenience.

Water jacket

Inner and outer motor casing - flow-through-design - perfect cooling under dry-run-conditions.


A special-steel impeller and suction plate have greatly increased the pump's life. The casing is designed to have wide passing area, thorough thickness and anti abrasion material. 4-pole motor used to achieve a simple structure that demonstrates excellent durability and versatility. Spiral structure, marvelously facilitates the passage of sand, soil, sludge, or slime - without clogging.


ø Discharge bore mm250
Pumping FluidTemperature0-40°C
Type of FluidSpring water, Rain water, Ground water, Sand carrying water
PumpCompo- nentsImpellerClosed type impeller
Shaft SealDouble mechanical seal
BearingsShielded ball bearings
MaterialImpellerStainless steel casting DIN X5CrNi18-10, Chromium iron casting
CasingGrey 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)Miniature protector
InsulationInsulation class E
Phase / Voltage3-phase / 400V / 50Hz / s.d.
MaterialCasingGrey iron casting EN-GJL-200
ShaftStainless steel EN-X30Cr13
CableRubber, NSSHÖU
Discharge ConnectionJIS 10K Flange