Fire control valve

Details Fire control valve Fire control valve

1988-05-11

1990-01-02

Fox, John

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

251 74, F16K 3164

Patent

active

048906352

ABSTRACT:
A fire control valve and more particularly a valve installed in the flow line of a flammable or other hazardous flowable material which is 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 spring biased pin in engagement with a spring biased valve stem 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 pin 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: 422583 (1890-03-01), Finch
patent: 830719 (1906-09-01), Jenczewsky
patent: 1966735 (1934-07-01), Sachett
patent: 2638106 (1953-05-01), Ghiels

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