Fluid control valve and method

Details Fluid control valve and method Fluid control valve and method

1978-12-18

1980-11-11

Rosenthal, Arnold

Fluid handling

Processes

251210, 251335B, F16K 144

Patent

active

042326958

ABSTRACT:
A redundantly operating fluid control valve and method particularly suitable for controlling flow of dangerous fluid, utilizing concentric poppets which are sequentially engaged with corresponding seats through movement of a single actuator.

REFERENCES:
patent: 969803 (1910-09-01), Pollock
patent: 1370760 (1921-03-01), Ostrander
patent: 2500156 (1950-03-01), Dechant
patent: 2642890 (1953-06-01), Skewis
patent: 3347262 (1967-10-01), Gibson
patent: 3908959 (1975-09-01), Fitchner
patent: 4166607 (1979-09-01), Webb

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