Fire control valve with pivotal latch

Details Fire control valve with pivotal latch Fire control valve with pivotal latch

1990-01-02

1991-04-02

Fox, John C.

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

251 74, F16K 3164

Patent

active

050040030

ABSTRACT:
A valve installed in the flow line of a flammable or other hazardous flowable material which normally open but will be automatically closed to interrupt the flow of flammable or hazardous material to a discharge point in the event of a hazardous condition occurring. The valve is held in an open position by a fusible link which retains a pivotal latch in engagement with a spring biased valve to retain the valve in open position. The fusible link will melt when subjected to predetermined conditions such as a high temperature condition which occurs in the event of a fire thereby releasing the latch and valve for movement to a closed position for stopping flow of flammable material in order to control the fire or other hazardous condition.

REFERENCES:
patent: 1108772 (1914-08-01), Meacham
patent: 1874356 (1932-08-01), Rowley
patent: 2638106 (1953-05-01), Shiels
patent: 3140721 (1964-07-01), Sullivan
patent: 3378021 (1968-04-01), Milo

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