Grundfos-NK-Pumps

NK Pumps

Providing easy service and double seal solutions, the NK/NKE range offers single-stage, centrifugal volute pumps with axial suction port, radial discharge port and horizontal shaft.

Product Description

Single-stage Standard Pumps

Grundfos NK/NKG pumps are used in water supply, industrial pressure boosting, industrial liquid transfer, HVAC (heating, ventilation and air-conditioning), irrigation and process industry.

Multi-Purpose Solutions for a Variety of Applications

Grundfos end-suction pumps are multi-purpose pumps suitable for a variety of different applications demanding reliable and cost-efficient supply.

The pumps are all single-stage, centrifugal volute pumps with axial suction port, radial discharge port and horizontal shaft. The Grundfos NK/NKG range comprises a complete series of long-coupled pumps in full compliance with either EN733 or ISO2858.

The pumps are of the back pull-out design enabling removal of the motor, coupling, bearing bracket and impeller without disturbing the pump housing or pipework.

The ISO2858 range is available for various shaft seal options including double seal solutions and is also available in stainless steel execution.

Technical Data
  • Flow, Q: max. 1170 m3/h
  • Head, H: max. 160 m
  • Liquid temperature: –25°C to +120°C
  • Operatiing pressure: max. 25 bar.
Applications

The Grundfos range of long-coupled (NK) end-suction pumps are ideal for use in demanding environments such as:

  • District heating plants
  • Heating systems for apartment blocks
  • Air-conditioning systems
  • Cooling systems
  • Wash down systems
  • Other industrial systems.
Features & Benefits
  • Optimised hydraulics in housing and impeller
  • O-ring seal between pump housing and cover
  • Housing, impeller and wear ring in different materials
  • Back pull-out design for easy dismantling in case of servicing
  • Pump is electro coated to increase corrosion resistance
  • Available with IE2 and IE3 motors
  • PN 10/16 and 25 bar
  • Available in a number of shaft seal and material variants
  • Standard dimensions according to EN or ISO standards
  • Wide range
  • Robust design
  • Adaptable to any application /performance
  • EN 12756 shaft seal.