Cla-Val 50-01 Pressure Relief Valve

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Cla-Val 50-01 Pressure Relief Valve

Pressure Relief & Pressure Sustaining Valve

  • Accurate Pressure Control
  • Optional Check Feature
  • Fast Opening to Maintain Line Pressure
  • Slow Closing to Prevents Surges
  • Completely Automatic Operation

The Cla-Val Model 50-01/650-01 Pressure Relief Valve is a hydraulically operated, pilot-controlled, modulating valve designed to maintain constant upstream pressure within close limits. This valve can be used for pressure relief, pressure 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.
If a check feature is added, and a pressure reversal occurs, the down- stream pressure is admitted into the main valve cover chamber, closing the valve to prevent return flow.

Typical Applications

Pressure Relief Service

Pressure Relief Service

Pressure Relief Service – This fast opening, slow closing relief valve provides system protection against high pressure surges on pump start up and pump shut down by dissipating the excess pressure to a safe location.

Pressure Sustaining Service

Pressure Sustaining Service

Pressure Sustaining Service – When installed in a line between an upper zone and a lower area of heavy demand, the valve acts to maintain desired upstream pressure to prevent “robbing” of the upper zone. Water in excess of pressure setting is allowed to flow to an area of heavy demand, control is smooth, and pressure regulation is positive.

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Tyval Industrial Supply Corporation | 982 S Reyes St, Bgy 314, Zone 031 STA Cruz, Manila, Philippines | +63(2) 7126909 | tyvalmanila@gmail.com