Pressure regulator with over-pressure safety shut-off feature

Details Pressure regulator with over-pressure safety shut-off feature Pressure regulator with over-pressure safety shut-off feature

1983-08-05

1985-01-01

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

137458, 13750547, F16K 3112

Patent

active

044911491

ABSTRACT:
A pressure regulator has an element slidably mounted in a body. A through-bore in the element is arranged to be selectively opened and closed in response to the magnitude of a sensed pressure relative to a predetermined pressure. If such sensed pressure substantially exceeds the predetermined pressure, the element is displaced relative to the body to seat against a high pressure poppet. Such closure of the element through-bore by the high pressure poppet is thereafter maintained, even should the sensed pressure subsequently fall below the predetermined pressure, and requires a manual reset.

REFERENCES:
patent: 3207175 (1965-09-01), Pauly
patent: 3809108 (1974-05-01), Hughes
patent: 4067354 (1978-01-01), St. Clair

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