Fluid pressure shutoff and relief valve

Details Fluid pressure shutoff and relief valve Fluid pressure shutoff and relief valve

1996-04-22

1999-01-19

Fox, John

Fluid handling

Destructible or deformable element controlled

Destructible element

13711518, F61K 1714

Patent

active

058604421

ABSTRACT:
A safety valve for a preventing over pressure in a fluid processing system utilizing a fluid pressure regulator in a fluid supply line upstream from the processing vessel is formed by a valve, normally maintained open by a pressure responsive collapsible pin, interposed in the fluid supply line upstream or downstream from the pressure regulator. Fluid pressure above a predetermined limit in a tube connecting the safety valve with the downstream side of the pressure regulator axially moves a piston in the safety valve toward and axially collapses the pin to close the safety valve and vent pressure downstream from the valve.

REFERENCES:
patent: 3451416 (1969-06-01), Nyberg
patent: 4724857 (1988-02-01), Taylor

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