JW Submersible

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50 Hz Submersible Solids Handling Pumps

In April 2005 Gorman-Rupp purchased the Wallwin range of submersible and dry well submersible pumps from Gilkes. These are now known as the Gorman-Rupp JW Series. The pumps are designed to meet the specifications of water companies for sludge and sewage applications. Various types of impeller are available to best suit the application. These include channel, vortex and screw types.


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  • Sizes  80mm, 100mm, 125mm, 150mm, 200mm, 300mm
  • Max Capacity – 350 l/sec
  • Max Head – 60m
  • Max Solids – 100mm
  • Materials – Cast Iron
  • WIMES spec compliant
  • Available in safe area or explosion proof (ATEX II GT3) versions

Typical Applications

  • Raw sewage (screened or unscreened)
  • Primary / digested / humus / activated sludges
  • Industrial wastewater
  • Storm water
  • Surface water

Performance Range

Onsite Installations