NSL0 pages

NSL
Vertical In-line Centrifugal Pump

The DESMI NSL pump meets the special marine and
industrial market requirements for:
•t
•t
•t
•t

High efficiency
Low NPSH values
Easy installation/service
Specific materials

and further, an attractive price.

Design Features

Capacity range:
10-1500 m3/h ~ 50-6600 US gpm at 50 Hz
10-1800 m3/h ~ 50-7900 US gpm at 60 Hz

The pump is a vertical in-line, radially split, single-stage
centrifugal pump with connecting flanges according
to international standards. The pump is designed for
mounting with electric motors having different international flange dimensions.

Pressure range:
5-150 mLC ~ 15-500 ft at 50 Hz
5-220 mLC ~ 15-720 ft at 60 Hz
Temperature range:

The pump casing is equipped with a replaceable
sealing ring.

With standard mech. shaft seal max. 80oC ~ 176°F
With special mech. shaft seal max. 140oC ~ 284°F

The impeller is made with double-curved blades to
ensure low NPSH-values and high efficiency.
Material
specification

A

D

Pump casing

Cast iron

Bronze

Impeller

NiAl-bronze

NiAl-bronze

Wear ring

NiAl-bronze

NiAl-bronze

Shaft seal cover

Cast iron

Bronze

Shaft

Stainless

Stainless

Mechanical

Mechanical

Shaft seal

The bearing unit is equipped with sturdy ball bearings
and the small types are fitted with lifetime-lubricated
bearings. In the lager types the lower bearing is a
double bearing for which a lubrication point is
provided.
A shaft in stainless steel with mechanical shaft seal of
an approved brand is standard.

For more information on Marine & Offshore solutions, please visit www.desmi.com
MARINE & OFFSHORE

INDUSTRY

OIL SPILL RESPONSE

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UTILITY