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Sealless Heat Transfer & Hot Oil Magnetic Drive Pump

SLM-NHO

Klaus Union's SLM-NHO is a horizontal, sealless centrifugal pump for high temperature applications. High performance magnet systems cover temperatures up to 840 °F (450 °C) – no external cooling required.

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Operating Parameters

Flow rates up to 18,000 GPM
Total delivery heads up to 700 feet
Temperature ratings from -185 °F (-120 °C) to +840 °F (+450 °C)
Flange rating per ANSI B16.5 Class 150 and Class 300

Pumping
Applications
Construction
Materials of Construction
Optional Features
Hydraulic Coverage

Pumping

Heat transfer liquids
Hydrocarbons
Aggressive, explosive and toxic liquids
Acids & lyes
Liquid gases
Difficult-to-seal liquids
Ultrapure liquids

Applications

Heat engineering
Refineries
Chemical and petrochemical industries
Liquid gas plants
Power stations & solar thermal fields
Tank installations
Pharmaceutical industries
Fibers industries

Construction

Horizontal sealless centrifugal pump
Separation of liquid chamber/atmosphere by means of an isolation shell
Permanent magnet drive system, no mechanical seal
Synchronous drive transmitted by inner and outer magnet systems
Liquid lubricated internal bearings made of pure, sintered silicon carbide
Bearings of outer magnet carrier: deep groove ball bearings

Standard Materials

Pump casing:	316 SS
Impeller:	316 SS
Isolation shell:	316 SS/Hastelloy C4
Inner magnet carrier:	316 SS/Hastelloy C4
Internal bearings:	Silicon carbide, alpha grade
Bearing frame:	Cast steel/nodular cast iron
Magnets:	Samarian cobalt or aluminum nickel cobalt

Materials listed are equivalent to DIN/ISO standards.

Special Alloy

Hastelloy B
Hastelloy C
Alloy 20
Titanium

Other materials available

Optional Features

PMP 25 - Power monitor
TPS - Isolation shell temperature probe
CDS - Double-wall isolation shell (dual containment)
Self-cleaning internal & external filter for liquids containing solids
External flush connection
Jacketed casing & lantern for heating/cooling
Suction inducer for low NPSHa applications
Isolation shell materials: Hastelloy C4 or Titanium
Internal bearing materials: Carbon/SSIC, carbon/stellite

Hydraulic Coverage

50 Hz SLM-NHO Performance Curves Preview 1450 rpm Preview 2900 rpm Download Curves
60 Hz SLM-NHO Performance Curves Preview 1750 rpm Preview 3500 rpm Download Curves

Specifications are subject to change.