NSA Centrifugal Pump

Close coupled self-priming NSA centrifugal pump


The NSA Close coupled self-priming centrifugal pump is a totally renewed design based on the original “K&R” models. However fully replaceable with former types, in dimensions as well as capacities.


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The compact pumps are simple in design, consist of few parts, and will thus reduce your costs.This of course also means easy maintenance.

  • Bilge pump
  • Ballast Pump
  • General service pump
  • Emergency fire pump
  • Cooling water pump


On basis of 50 years of experience in the production of self-priming pumps we produce a pump series that meets the future demands for economical and reliable pumps.


Design Features

Open impeller, exchangeable wear plate, standard stainless steel shaft and nonleaking mechanical shaft seal.

Nominal diameter (DN) 50 to 80
Flow rate - 50 Hz Up to 70 m³/h (300 US gpm)
Head Up to 50 m (160 ft)
Pressure Up to 12 bar (170 psi)
Temperature Up to 140°C (284°F)
Motor Standard and EX motors
VFD Direct or Bulkhead/Wall-mounted


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  • English
  • American
  • Dutch
Download Manuals

NSA (T1493)

  • English
  • Russia
  • German



Pump curve



Pump curve



NSA 50 200 9 A12



NSA 80 250 B 10 A12



Selection programs

Find curves for existing pumps, get GA drawings for initial designs and compare efficiency, motor power, NPSH and other data to find the right pump.

DESMI Centrifugal Pumps

The range of centrifugal pumps is made to meet the requirements of a wide array of different applications. Be it district heating, cooling, HVAC, fire-fighting or perhaps pumps for the engine room of a maritime vessel, a centrifugal pump is often the ideal choice.

DESMI's centrifugal pumps are characterised by high-level efficiency and low NPSH values. Our vertical pumps require minimal space and provide easy access for maintenance of the pump's rotating parts.

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DESMI is a global company

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