Tsurumi NK Submersible Pumps

Tsurumi NK Submersible Pumps are a highgrade pump that can be used efficiently in draining in civil engineering through to deepwell applications.

Maximum depth of submersion 25m.

Top Discharge

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.

Increased water-pressure resistance

An newly developed mechanical seal endures water pressure of up to 2,5 kgf/cm². This makes the pumps usable at greater depth, such as in deep wells, to say nothing of use at general construction sites.


Material

ø Discharge bore mm50, 80
Pumping FluidTemperature0-40°C
Type of FluidSpring water, Rain water, Ground water, Sand carrying water
PumpCompo- nentsImpellerSemi-Vortex impeller
Shaft SealDouble mechanical seal
BearingsShielded ball bearings
MaterialImpellerDuctile iron casting EN-GJS-700-2, Chromium iron casting
CasingEthylene propylene rubber, Grey iron casting EN-GJL-200
Shaft SealSilicon carbide in oil bath
MotorType, PolesInduction motor, 2 poles, IP68
LubricationTurbine oil (ISO VG32)
Motor Protector (built-in)Circle thermal cut-out
InsulationInsulation class B
Phase / VoltageSingle phase 230V / 50Hz
MaterialCasingAluminium die casting
ShaftStainless steel EN-X6Cr13, Stainless steel EN-X30Cr13
CableRubber, H07RN-F
Discharge ConnectionThreaded flange/Hose coupling

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