Rotatable valve assembly

Details Rotatable valve assembly Rotatable valve assembly

1977-08-15

1978-08-15

Weakley, Harold W.

Valves and valve actuation

Rotary valves

Seat or interface seal

251172, 251174, F16K 500

Patent

active

041067517

ABSTRACT:
A rotatable valve assembly for controlling the flow of fluids under pressure having a ball valve, a valve seat engaging the valve on opposite sides thereof, one of the valve seats being fixed and the other being movable; with fluid tight seals mounted on the valve seats and engaging the ball valve, the movable valve seat being responsive to the fluid under pressure whereby variation of fluid pressures will compel the movement of the ball valve toward and away from the fixed valve seat to provide a fluid tight seal therealong.

REFERENCES:
patent: 1584600 (1926-05-01), Black
patent: 3281112 (1966-10-01), Walker
patent: 3323542 (1967-06-01), Magos
patent: 3401914 (1968-09-01), Shand
patent: 3533597 (1970-10-01), Bolling
patent: 3752178 (1973-08-01), Grove
patent: 4020864 (1977-05-01), Church

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