Hawle 9750 Pump protection valve Cla-Val -Hawle | Linquip

Hawle 9750 Pump protection valve Cla-Val

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Pressure-, Level- Flow- and Pump control valves. For efficient pressure management in water distribution networks. Easy maintenance. Guarantee from the valve manufacturer. Power failure: In the event of a power failure, the differential pressure is reversed and the pump protection valve closes quickly to protect the pump. Minimum input pressure 0.2 bar, minimum differential pressure 0.5 bar.
  • including nonreturn valve and manometer

  • The pump protection valve functions: Pump switched off: The main valve functions as a mechanical check valve and is fully closed

  • Opening operation: The solenoid valve is energized and the pump protection valve opens slowly depending on the needle valve setting.

  • The solenoid valve is de-energized and the pump protection valve opens slowly depending on the needle valve setting.

  • The electrical limit switch subsequently takes the pump out of operation.

Hawle 9750 Pump protection valve Cla-Val Specifications:

  • DN from

    50
  • DN to

    1400
  • Pressure Nominal from (bar)

    10
  • Pressure Nominal to (bar)

    40
  • NPS from

    2
  • NPS to

    56
  • Body Material

    Ductile Iron/Cast Steel/Bronze
  • Media (working fluid)

    water
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