4021 – Differential Pressure Valve

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SKU: 4021 Category:

The Valve 4021 works normally open when the pressure downstream rise the diagrapham moves the disk to reduce or even to stop the flow of turbine oil.
When the pressure downstream fall below the limit the diagrapham reopen gradually the valve.
The Double seat execution allow the valve to open without effort
Execution SS
Metallic seat and rugged construction allows a very long life of the valve
Valves are tested with air as a standard and with helium as an option