Pressure Sustaining/ Surge Relief Valve

Cla-Val Models 50GE-01/NGE50-01 Pressure sustaining/ Surge Relief valves are hydraulically operated, pilot-controlled, modulating valve designed to maintain constant upstream pressure within close limits. This valve can be used for pressure relief, sustaining, back pressure, or unloading functions in a by-pass system. In operation, the valve is actuated by line pressure through a pilot control system, opening fast to maintain steady line pressure but closing gradually to prevent surges. Operation is completely automatic and pressure settings may be easily changed.
Sizes: 1½” –DN1200
Upstream adjustment range: 0-5 bar, 1.4 –14 bar, 7-21 bar
End Connections: Screwed (2” Max) or Flanged
Pressure rating: 16bar, 25bar, 40bar (BS4504)
Pressure Sustaining/ Surge Relief- Fixed Upstream Pressure
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50-01 Relief valve technical datasheet download Datasheet

User manual

Sustaining/ surge relief valve specification download Specification

Animation download 50-01 Animation


   Surge relief feature

  Anti cavitation accessory link 50-01  Anti cavitation system

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   Pressure gauges

   Stem position indicator

   Flow- Meter