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HT-Series Nikkiso SGM Series Canned Motor Pumps

Nikkiso SGM - series canned motor pumps are centrifugal pumps which, due to their construction are hermetically encapsulated. The shaft seal usually required on centrifugal pumps is not necessary. The pumps are driven by integrated canned motors. Space requirements and noise emissions are much lower than those of conventional centrifugal pumps. The pumps are equipped with Nikkiso's unique E-Monitor.

The HT type is designed for hot fluid applications up to 400 deg C. The pump and the motor are separated by a heat barrier, the motor is additionally equipped with a cooling jacket and a heat exchanger.

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The rotor chamber is filled with the pumped liquid, which is circulated through the heat exchanger by an auxiliary impeller, the liquid also lubricates the bearings.

Compact size
Axial thrust balanced for long bearing life
Bearing wear monitoring
Nikkiso's block building system
High efficiency

Materials (Standard Design)

Part	Code
Casing(s)	1.4408
Impeller	1.4401
Gaskets	PTFE
Bearing housing	1.4401
Bearing	Special Carbon or SiC
Shaft Sleeves	1.4401 HCR or WC
Thrust Washer	1.4401 HCR or WC
Motor housing	1.0040 or 1.4301
Baseplate	1.0040 or 1.4301
Can	Hastelloy
Rotor/Stator end cover	1.4401

Other materials on request

Applications

Nikkiso HT Series canned motor pumps can be used with numerous liquids and also offer advantages over conventional pumps when pumping water.

HT Type pumps are mainly used for liquids at high temperature like heat transfer oil and hot water (>+200 deg C)

The pumps are proven for use in vacuum systems

The pumps are designed for the:

The Chemical and Pharmaceutical industry
The Petrochemical industry

Pressure / Capacity Envelope

pressure capacity envelope for canned motor pump

Driver

Integral 3-phase asynchronous motor IP67 / IP55 and ATEX certified
The motors are in accordance with VDE/EN requirements
Motor safeguarded by incorporated thermostat(s)

michael smith
engineers ltd