93-01 & 693-01 Pressure Reducing and Solenoid Shut-Off Valve

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The Cla-Val Models 94-01 and 694-01 Combination Pressure Reducing and Surge Control Valves automatically reduce higher inlet pressure to a steady lower downstream pressure. When downstream pressure rapidly exceeds the pressure setting of the pressure reducing control pilot, the surge pilot (CRL/CRL-60) will open quickly to prevent a rapid pressure rise downstream (i.e. surge condition).

 

Typical Application

    • Should the downstream pressure suddenly increase above the setting of the pressure reducing control due to on-off operation of two or more downstream systems, the Surge Control tracks rapidly enough to prevent high pressure surges from entering any of the downstream systems, when any one of the downstream systems is rapidly closed off. The typical combination pressure reducing and surge control valve station uses Model 94-01 to control surges in downstream piping as remote control valves change from one downstream zone to another. Surge Control is set approximately 1- psi above Pressure Reducing Control to prevent high pressure surge entering other downstream zones. 

     

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