Ball valve, particularly for gases

Details Ball valve, particularly for gases Ball valve, particularly for gases

1987-01-30

1987-12-22

Michalsky, Gerald A.

Valves and valve actuation

Rotary valves

Ball valve

251214, 251312, F16K 322

Patent

active

047142367

ABSTRACT:
An improved ball valve, particularly for gases, includes a case of unitary construction accommodating a hollow ballshutter supported between two juxtaposed gaskets and being controllable rotatively through a screw block having an external knob grip. The screw block accommodates, in addition to a gasket for the necessary seal, also a gasket capable of withstanding high temperatures. The screw block is held in place within the case by a bent wire segment of annular shape fitting in a specially provided annular seat formed in the case, and is located by a countersunk lockwasher.

REFERENCES:
patent: 3030067 (1962-04-01), Manor
patent: 3254972 (1966-06-01), Roos
patent: 3360236 (1967-12-01), Hulslander
patent: 4379557 (1983-04-01), Saka
patent: 4449695 (1984-05-01), Alexander et al.
patent: 4538790 (1985-09-01), Williams et al.

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