Annular valve seating

Details Annular valve seating Annular valve seating

1979-09-06

1981-01-27

Cline, William R.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251306, 251317, 251334, F16K 1226, F16K 2500

Patent

active

042470790

ABSTRACT:
The invention provides an annular seating, for valves and cocks comprising a body formed with an axial duct and a movable closure member having a bearing surface associated with the seating. The seating has a metal casing having a hollow cross-section having an anchor part adapted to be held in a recess of the body and an annular closure part having an annular contact surface adapted to co-operate resiliently with the annular bearing surface of the closure member when the seat is in the operating position.

REFERENCES:
patent: 3077331 (1963-02-01), Burtis
patent: 3077332 (1963-02-01), Burtis
patent: 3153427 (1964-10-01), Burtis
patent: 3394915 (1968-07-01), Gachot
patent: 3563510 (1971-02-01), Priese
patent: 4005848 (1975-02-01), Eggleston
patent: 4044994 (1977-08-01), Priese
patent: 4071220 (1978-01-01), Iino

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