Plug valves

Details Plug valves Plug valves

1975-06-06

1976-10-12

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

13762546, 251309, 251324, F16K 1106, F16K 300

Patent

active

039851559

ABSTRACT:
A plug valve having radial ports has a spindle comprising a mandrel having around it a plastics sleeve with integral upstanding ridges biased against the bore to form seals which subdivide the space between the sleeve and the bore and define the flow passages for alignment 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: 3532123 (1970-10-01), Anthony
patent: 3538952 (1970-11-01), Bayer
patent: 3589677 (1971-06-01), Segers
patent: 3612479 (1971-10-01), Smith
patent: 3747479 (1973-07-01), Nightingale et al.

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