Fluid flow control valve

Details Fluid flow control valve Fluid flow control valve

1974-11-04

1976-08-17

Cline, William R.

Valves and valve actuation

Rotary valves

Plug

137375, 251310, 251315, 251317, 251368, F16K 502, F16K 506

Patent

active

039748693

ABSTRACT:
Fluid flow control valves such as plug valves or cocks have the plugs thereof supported and sealed in the valve housing by a rigid but somewhat elastic plastics bearing member which is preloaded and compressed from its free state condition and seeks to reclaim this condition for taking up wear and preventing leakage in the valve assembly. The bearing member is preferably stretched over the plug and compressed in the housing by a retainer which is pressed into one end of the housing.

REFERENCES:
patent: 2776104 (1957-01-01), Sinkler
patent: 2845248 (1958-07-01), Fuglie
patent: 3066909 (1962-12-01), Reed, Jr.
patent: 3090594 (1963-05-01), Floyd
patent: 3167086 (1965-01-01), Michalski
patent: 3192943 (1965-07-01), Moen
patent: 3223111 (1965-12-01), Anderson
patent: 3256910 (1966-06-01), Cupp
patent: 3370335 (1968-02-01), Freed
patent: 3392748 (1968-07-01), Geyer
patent: 3498317 (1970-03-01), Duffey

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