Combination pressure regulator and manual on-off valve

Details Combination pressure regulator and manual on-off valve Combination pressure regulator and manual on-off valve

1979-06-13

1981-06-30

Schwadron, Martin P.

Fluid handling

Systems

Flow path with serial valves and/or closures

13750541, 1374546, 251246, F16K 31145, F16K 3144

Patent

active

042757649

ABSTRACT:
A combination pressure regulator and manual on-off valve for liquid spraying apparatus. A tubular member 31 has a lower end 31b which forms a valve seat which cooperates with a first valve member 32 actuated by a lever 35. The latter has a lug 35b which acts as a resilient attaching blade. The intermediate member further comprises a portion 31e, the periphery of which is in contact with the wall of a bore 23. A diaphragm 37 is clamped against portion 31e by means of a tubular screw 39. The diaphragm is solid with a second valve member 38.

REFERENCES:
patent: 2147850 (1939-02-01), MacLean
patent: 2302306 (1942-11-01), Faast
patent: 2809800 (1957-10-01), Ahl
patent: 2821206 (1958-01-01), Holmes
patent: 3164172 (1965-01-01), Lee
patent: 3308847 (1967-03-01), Umann
patent: 3575205 (1971-04-01), Caparone et al.
patent: 3730773 (1973-05-01), Graber

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