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Grundfos NK – Single-Stage End-Suction Standard Pumps

Grundfos NK — Grundfos NKG — Grundfos NKE — Grundfos NKGE

Grundfos multi-purpose end-suction pumps for reliable and cost-efficient applications such as water supply and irrigation. Back pull-out design enables removal of the motor, coupling, bearing bracket and impeller without disturbing the pump housing or pipework; these long-coupled pumps comply fully with either EN733 or ISO2858.


  • Raw water intake
  • Drinking water treatment
  • Water distribution
  • Flood control
  • Wastewater treatment
  • Big HVAC installation
  • Industrial applications


  • Optimised hydraulics in housing and impeller for unimpeded liquid flow
  • O-ring seal between pump housing and cover means no risk of leakage
  • Back pull-out design for easy dismantling for service
  • Adaptable to each application
  • Shaft seal following EN 12756

Technical Data


  • Available with single and double seal arrangements
  • Available in Cast iron with multiple impeller material choices
  • Version NKG
  • Version NKE with integrated inverter
  • Available in full stainless steel 1.4408 or Duplex 1.4517