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HY-Series Nikkiso Canned Motor Pumps

Nikkiso HY 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 HY Type is designed for hot fluid applications up to 250 deg C without external cooling.

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Compact size
Axial thrust balanced for long bearing life
Bearing wear monitoring
For liquid temperature up to 250 deg C with no external cooling requirement
Nikkiso block building system
Heating jackets for pump / motor available
Spare parts interchangeable with SGM Series

Materials (Standard Design)

Part	Code
Casing(s)	1.4408
Impeller	1.4401
Gaskets	1.4401 / Graphite spiral wound
Bearing housing	1.4401
Bearing	Special Carbon or SiC
Shaft Sleeves	1.4401 HCR or WC
Thrust Washer	1.4401 HCR or WC
Stator shell	1.0040
Can	Hastelloy
Rotor/Stator end cover	1.4401
Base / Motor support	1.0040

Other materials on request

Applications

Nikkiso HY - Series canned motor pumps are mainly used for aggressive, inflammable, explosive and toxic clean liquids at high temperatures and also offers advantages over conventional pumps when pumping water.

The pumps are proven for use in vacuum systems.

The pumps are used for:

Hot water up to 200 deg C
Heat transfer liquids also offers advantages over conventional pumps when pumping water
Solidifying liquids (solidifying point to 160 deg C)

Pressure / Capacity Envelope

Pressure / Capacity Envelope for canned motor pumps

Driver

Incorporated 3-phase asynchronous motor IP55 and ATEX certified
The motors are in accordance with VDE/EN requirements
Hazardous area protection available
Motor safeguard incorporated

michael smith
engineers ltd