Pneumatic gas cylinder valve actuator

Details Pneumatic gas cylinder valve actuator Pneumatic gas cylinder valve actuator

1985-09-27

1987-01-20

Chambers, A. Michael

Fluid handling

With casing, support, protector or static constructional...

Guards and shields

251 14, 251 62, 251250, 251292, F16K 2708

Patent

active

046374230

ABSTRACT:
A pneumatic gas cylinder valve actuator that clamps to the threads on gas cylinder normally used for threading on a protective cap and is so designed that air pressure up to 100 psi admitted to the internal piston chamber in the valve actuator opens the gas cylinder valve while compressing the springs under the pistons in the internal piston chambers so that when air pressure is cut off the springs return the gas cylinder valve to the closed position; a torque indicator on top of the valve actuator shows proper positioning of the valve actuator clamp to adjust the closing torque exerted by the springs under the pistons to about 70 inch pounds.

REFERENCES:
patent: 1341319 (1920-05-01), Hodges
patent: 1387715 (1921-08-01), Hickman
patent: 1582214 (1926-04-01), Gray
patent: 1929867 (1933-10-01), Hall, Jr.
patent: 1945680 (1934-02-01), Fahrenkump
patent: 2012003 (1935-08-01), Hall, Jr.
patent: 3107080 (1963-10-01), Priese
patent: 3338140 (1967-08-01), Sheesley
patent: 3596679 (1971-08-01), Sugden, Jr.

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