Integrated control safety valve

Details Integrated control safety valve Integrated control safety valve

1983-12-23

1985-11-12

Cohan, Alan

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

1374895, 1374925, F16K 31122

Patent

active

045521735

ABSTRACT:
It comprises a valve body constituted by a cylinder, defining a chamber and a seat, a valve placed in the cylinder and having a stem, a main flap and a plunger sliding in the chamber, means for elastically applying the main flap to the seat, a passage establishing a connection between the chamber and the pressurized enclosure. The passage is provided by a channel, which axially traverses the valve. A hole incorporating a metering hole links the chamber with the atmosphere.

REFERENCES:
patent: 591014 (1897-10-01), Schreidt
patent: 2122706 (1938-07-01), Armstrong
patent: 2408708 (1946-10-01), Tweedle
patent: 2821996 (1985-02-01), Stevenson

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