NSLV/NSLH
4Pages

Catalog excerpts

The DESMI NSLV pump is designed for vertical mount (with suction flange downwards) and the NSLH pump for horizontal mount. The pumps are particulary suitable for the pumping of water in connection with cooling systems, cooling of diesel engines, as bilge pumps, ballast pumps, fire pumps, brine pumps, pumps for irrigation, fish farms, water works, army and navy etc. The DESMI NSLV and NSLH pumps meet the special marine and industrial market requirements for: • High efficiency • Low NPSH values • Easy installation/service • Specific materials and further, an attractive price. NSLH/V - End suction centrifugal pump Material specification Alternative material combinations are available Design Features The pump is an end-suction, radially split, singlestage centrifugal pump with connecting flanges according to international standards. The pump is designed for mounting with electric motors. The pump casing is equipped with a replaceable sealing ring. Furthermore the pump can be delivered as a free shaft end unit. The impeller is made with double-curved blades to ensure low NPSH values and high efficiency. The bearing unit is equipped with sturdy ball bearings and the small types are fitted with lifetime-lubricated bearings. In the larger types the lower bearing is a double bearing for which a lubrication point is provided. Shaft in stainless steel with mechanical shaft seal of an approved brand is standard. Alternative materials include: Bronze, NiAl-bronze, stainless steel, super duplex stainless steel For more information on Marine & Offshore solutions, please visit www.desmi.com MARINE & OFFSHORE DEFENCE & FUEL

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Applications Within marine industry the pumps are suitable as fresh and seawater cooling pumps, bilge and ballast pumps, fire-fighting and general service pumps, and further for transport of slightly aggressive liquids with low viscosity such as diesel and lubricating oils. Further, the pumps can be supplied in a special version for pumping brine and similar media. Ask for brochures on B114 priming unit or ½”-1” ejector, if you need further information on this - or find it on our website. All pump sizes are available as self-priming pumps with a separate built-on priming pump of the water...

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Pump Details Pumps with Ø 215 and Ø 265 Impeller Dimension of the suction flange is one size larger than that of the discharge flange. The line through inlet and outlet is flush with the centre line of the shaft. The pumps are mounted with one impeller wear ring. Pumps with Ø 330, Ø 415 and Ø525 Impeller Dimension of the suction flange is one size larger than that of the discharge flange. The line through inlet and outlet is flush with the centre line of the shaft. The pumps are mounted with two impeller wear rings. Monobloc Without Bearing The pump is for small capacities and limited...

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Design Details Free Shaft End The pump is available in a free shaft end version mounted on a baseplate with diesel engine, hydraulic or electric motor PROVEN TECHNOLOGY

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