Valve member with fixed seal shutoff

Details Valve member with fixed seal shutoff Valve member with fixed seal shutoff

1982-02-16

1983-07-26

Schwadron, Martin P.

Valves and valve actuation

Rotary valves

Plug

251DIG1, F16K 504

Patent

active

043950183

ABSTRACT:
A fluid valve includes a sleeve having inlet and outlet ports and a stem movable within the sleeve. The stem has inlet and outlet port means with the outlet port means being movable into register with the sleeve outlet port. A fixed seal member is positioned on the sleeve, out of the path of flow through the stem to the sleeve, with the stem outlet port being closed by the seal member when the valve is in a closed position.

REFERENCES:
patent: 3324879 (1967-06-01), Bucknell
patent: 3426795 (1969-02-01), Muller
patent: 3730222 (1973-05-01), Moen
patent: 4010930 (1977-03-01), Sands
patent: 4022426 (1977-05-01), Read

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