Fluid control valve assembly

Details Fluid control valve assembly Fluid control valve assembly

1982-02-02

1984-06-12

Tapolcai, William E.

Valves and valve actuation

Electrically actuated valve

Remote or follow-up control system for electrical actuator

251335B, 123585, F16K 3102

Patent

active

044537000

ABSTRACT:
A fluid control valve assembly for controlling the flow of fluid passing through a fluid passageway defined in a valve body and having an inlet end and an outlet end. A bellows formed of low tackiness material has fixed one end wall secured to the valve body and the other movable end wall connected to a valve stem. The valve stem is actuated by an actuator to move the other movable end wall of the bellows between a closed position in which the other movable end wall is brought into direct contact with a valve seat located in the fluid passageway and an open position in which the other movable end wall is brought out of engagement with the valve seat.

REFERENCES:
patent: 2331503 (1943-10-01), Ray
patent: 2672293 (1954-03-01), Ludlow
patent: 2936776 (1960-05-01), Veatch
patent: 3022039 (1962-02-01), Cone et al.
patent: 3211416 (1965-10-01), Billeter et al.
patent: 3399695 (1968-09-01), Stehlin
patent: 3631882 (1972-01-01), White, Jr.
patent: 3812398 (1974-05-01), Kozel et al.

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