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Vasco Borehole Pumps



4HS 4” borehole pumps are a ready to use constant pressure unit that comes with a pump, inverter and a surface mounted controller. The borehole Pumps are made from 304 stainless steel including the impellers (no plastic impellers here!).
This unit is designed to give constant pressure at the surface regardless of water demand so if the demand is small or large the pressure will be the same (provided of course that it is within the pump capabilities).
The inverter is part of the pump which avoids the use of expensive filters and shielded cables and reduces electromagnetic emissions to a minimum.

  • Energy saving
  • Constant pressure operation
  • Simplified installation
  • Easy set up
  • Stainless steel pump construction (including impellers)
  • Pump is started and stopped gently
  • Pump is protected from overload, surges, under/over voltage, dry running and any abnormal conditions
  • Pump runs only according to demand – if the demand is low the pump runs slowly and if the demand increases the pump speeds up accordingly
  • Pumping ground water from bores
  • Constant pressure bore pumping

4HS varible speed submersible pumps general brochure

4HS varible speed submersible pumps operating manual