Plug valves

Details Plug valves Plug valves

1975-06-06

1976-11-23

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

13762546, 251309, 251324, F16k 1106, F16k 300

Patent

active

039930998

ABSTRACT:
A plug valve having radial ports has a spindle with a plastics sleeve biased by underlying O-rings into sealing contact against the surrounding valve body to subdivide the space between the sleeve and the bore and thereby define at least one discrete passage alignable with selected ports to permit fluid flow therebetween. The valve may be a multiway valve or simply an on/off valve.

REFERENCES:
patent: 3062496 (1962-11-01), Stehlin
patent: 3146795 (1964-09-01), Retallick
patent: 3532123 (1970-10-01), Anthony
patent: 3538952 (1970-11-01), Bayer
patent: 3589677 (1971-06-01), Segers
patent: 3612479 (1971-11-01), Smith
patent: 3747479 (1973-07-01), Nightingale et al.

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