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Grundfos NB – Single-Stage End-Suction Standard Pumps

Grundfos NB — Grundfos NBG — Grundfos NBE — Grundfos NBGE

The Grundfos NB family are multi-purpose end-suction pumps for reliable and cost-efficient applications such as water supply. Non-self priming, single-stage, centrifugal volute pumps with axial suction port, radial discharge port and horizontal shaft; these close-coupled pumps, are following the same inlet and outlet dimensions as mentioned in EN733 (For NB) and ISO2858 (for NBG), that are normally used for long coupled pumps.


  • Raw Water intake
  • Cleaning systems
  • Water Distribution
  • Flood Control
  • Wastewater Treatment
  • Urban Heating Systems
  • 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
  • Housing, impeller and wear ring in different materials for improved corrosion resistance, no sticking elements
  • Easy Maintenance

Technical Data


  • Available in a number of shaft seal and material variants
  • NBG version
  • NBE version with integrated Inverter
  • Available in Cast Iron or
    Stainless Steel