Ball valve

Details Ball valve Ball valve

1978-04-20

1980-01-22

Schwadron, Martin P.

Fluid handling

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

Jacketed

251315, F16K 2700, F16K 506

Patent

active

041845072

ABSTRACT:
A ball-valve having an apertured ball which is rotated to connect or close off inlet and outlet passages from one another and a replaceable resilient liner encasing the ball and filling the body cavity around the ball and its stem. The liner may include a portion to wipe the ball surface clean as the ball is rotated.

REFERENCES:
patent: 2643089 (1953-06-01), Mueller et al.
patent: 3093353 (1963-06-01), Wakeman
patent: 3124334 (1964-03-01), Szohatzky
patent: 3227174 (1966-01-01), Yost
patent: 3276740 (1966-10-01), Clark
patent: 3334650 (1967-08-01), Lowrey et al.
patent: 3336938 (1967-08-01), Schenck, Jr.
patent: 3336939 (1967-08-01), Freed et al.
patent: 3406707 (1968-10-01), Schenck, Jr.
patent: 3438388 (1969-04-01), Schenck, Jr.
patent: 3450151 (1969-06-01), Heutzenroeder
patent: 3531081 (1970-09-01), Scaramucci
patent: 3575379 (1971-04-01), Hoos
patent: 3703910 (1972-11-01), Smith
patent: 3825030 (1974-07-01), Kalsi
patent: 3916943 (1975-11-01), Hester et al.
patent: 3948284 (1976-04-01), Walworth

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