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Vertical Submerged Sealless Magnetic Drive Pump

SLM-NVT

Klaus Union’s SLM-NVT is a sealless centrifugal vertical submerged pump with permanent magnetic coupling, for tank installations requiring zero leakage.

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Operating Parameters

Flow rates up to 5,500 GPM
Total delivery heads up to 700 feet
Temperature ratings from -58 °F (-50 °C) to +302 °F (+150 °C)
Flange rating per ANSI B16.5 Class 150 and Class 300

Pumping
Applications
Construction
Materials of Construction
Optional Features
Hydraulic Coverage

Pumping

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

Applications

Tank installations
Chemical and petrochemical industries
Refineries
Refrigeration and heat engineering
Liquid gas plants
Galvanic engineering
Pharmaceutical industries
Fibers industries

Construction

Vertical mounted sealless centrifugal pump with dry supporting column
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
Supporting column:	Carbon Steel
Magnets:	Rare earth samarium 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
Isolation shell materials: Titanium, non-metallic (carbon fiber/PTFE)
Internal bearing materials: Carbon/SSIC, carbon/stellite

Hydraulic Coverage

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

Specifications are subject to change.