Seal for a drive journal of a ball valve

Details Seal for a drive journal of a ball valve Seal for a drive journal of a ball valve

1977-09-29

1978-08-01

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277104, 2771162, 277124, 277205, 251214, F16J 1524, F16K 3144

Patent

active

041039092

ABSTRACT:
A seal for a drive journal of a ball valve. The elements which directly carry out the sealing action are arranged below a thrust collar which is directed against the cover of the ball valve and is displaceable in the axial direction with the aid of set screws which extend through the cover. The sealing ring is a U-ring which abuts the thrust collar and the walls of the drive journal and the housing. The U-ring is provided with an annular slot which is open toward a thrust ring and, at its deepest portion, has a metallic compensating ring followed by a spiral ring.

REFERENCES:
patent: 2610846 (1952-09-01), Hanna
patent: 3540740 (1970-11-01), Smith
patent: 3630483 (1971-12-01), Canalizo
patent: 3653670 (1972-04-01), Sifri et al.
patent: 3680874 (1972-08-01), Schwarz
patent: 3847389 (1974-11-01), Rogers

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