Butterfly valve

Details Butterfly valve Butterfly valve

1979-12-14

1981-09-22

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

251306, 251307, F16K 506

Patent

active

042906156

ABSTRACT:
A butterfly valve having a split sealing ring in a groove in the interior of the passageway therethrough, the sealing ring having mating ends of a tongue and groove construction or the like.

REFERENCES:
patent: 1398439 (1921-11-01), McMaster
patent: 4105040 (1978-08-01), Chester

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