Plug valve havig interchangeable plug member

Details Plug valve havig interchangeable plug member Plug valve havig interchangeable plug member

1987-05-19

1988-10-18

Chambers, A. Michael

Valves and valve actuation

Rotary valves

Seat or interface seal

251310, F16K 504

Patent

active

047781521

ABSTRACT:
A plug valve includes a body having an interior wall and fluid passages therethrough with the interior wall having raised ridge portions thereon located in a selected pattern for cooperation with a resilient sealing cover which is molded on a plug body so that when a selected plug body having the cover is inserted into the body the raised surfaces will engage and compress the resilient material to prevent fluid leakage therebetween; the plug member has a fluid passage which, upon rotation of the plug member in the body will be brought into and out of alignment with the fluid passages in the body; the body may have a plurality of fluid pathways which are selectable by selecting a plug member having a selected pathway for providing registry between a desired path of fluid travel.

REFERENCES:
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patent: 4628962 (1986-12-01), Pezzarossi
Bulletin H-1, Meter Valves, May 1977, Mueller Co.

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