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Helical Rotor Pump | Subrotor

Supplier: NOV Australia

The Mono Subrotor Helical Rotor Pump offers you an alternative to multistage centrifugal borehole pumps.

Price Guide: POA

Unlike the conventional borehole pump which uses centrifugal force as the energy to move the water, the Subrotor uses the progressing cavity rotor/stator principle to draw water up.

Being a helical rotor pump, the Subrotor will produce a steady flow and is not affected by changes in differential pressure either in the bore or on the surface.

Features and Benefits of the Subrotor Helical Rotor Pump:

  • The rotor sweeps the full surface of the rubber stator so it is impossible for growth or iron oxide deposits to develop on the surface
  • The progressing cavity pump principle does not just spin water along, it pushes encapsulated water with positive force, so that ample volume is maintained at high heads
  • Subrotor pumps waste the least possible energy on internal friction, especially compared to multi-stage and jet pumps
  • Electric single or three phase option
  • Hard chrome plated rotor which is 4 times harder than the stainless you find in centrifugal pumps
  • With only one moving part, the rotor, the pump is easy to maintain with just a wrench


More information on the Subrotor Helical Rotor Pump