Flow line control system

Details Flow line control system Flow line control system

1977-11-21

1980-02-05

Cohan, Alan

Fluid handling

Line condition change responsive valves

Safety cut-off requiring reset

1374925, F16K 1700

Patent

active

041867661

ABSTRACT:
There is disclosed a system wherein a valve in a line is moved between flow controlling positions by means of a fluid-operated actuator. The admission and exhaustion of line fluid to and from the actuator is controlled by sensors which are automatically responsive to predetermined high and low pressures of the line fluid.

REFERENCES:
patent: 3232174 (1966-02-01), Grimmer
patent: 3389718 (1968-06-01), Johnson
patent: 3920040 (1975-11-01), Powell
patent: 3991784 (1976-11-01), Gano

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