Ball valve

Details Ball valve Ball valve

1985-03-07

1986-02-04

Chambers, A. Michael

Valves and valve actuation

With means for blocking or disabling actuator

Released by non-valving actuator motion

251315, 411518, F16K 3500, F16K 506

Patent

active

045680590

ABSTRACT:
A ball valve for medium and low pressure service includes a valve body, a valve member positioned in the valve body, circlips attached to the valve body, and provided at the upstream side and downstream side of the valve member, and sealing members provided between respective of the circlips and the valve member. The circlips are urged toward the valve member via the sealing members and are kept in a floating state. The valve member is of spherical shape, having a first and a second fluid passage holes and a valve stem groove and does not include a seam.

REFERENCES:
patent: 2741138 (1956-04-01), Russell
patent: 2912218 (1959-11-01), Stillwagon
patent: 3195560 (1965-07-01), Pofit
patent: 3239191 (1966-03-01), Widera
patent: 3246873 (1966-04-01), Johnson
patent: 3299904 (1967-01-01), Burke
patent: 3348805 (1967-10-01), Sanctuary
patent: 3522930 (1970-08-01), Richards et al.
patent: 3561730 (1971-02-01), Hurst
patent: 3567176 (1971-03-01), Johnson
patent: 3669406 (1972-06-01), Moore
patent: 3679170 (1972-07-01), Bernas et al.
patent: 3827671 (1974-08-01), Bolden et al.
patent: 3858843 (1975-01-01), Hartmann
patent: 3921955 (1975-11-01), Haddad, Jr.
patent: 4183280 (1980-01-01), Hashimoto
patent: 4256010 (1981-03-01), Petrie
patent: 4397445 (1983-08-01), Burquier

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