Valves and valve actuation – Fluid actuated or retarded – Flexible wall expansible chamber reciprocating valve actuator
Patent
1976-10-08
1980-04-15
Schwadron, Martin P.
Valves and valve actuation
Fluid actuated or retarded
Flexible wall expansible chamber reciprocating valve actuator
137219, 251DIG2, F16K 31126
Patent
active
041980298
ABSTRACT:
A servo operated throttling control valve for controlling fluid flow in a fluid system such as a pipe line includes a body defining an internal chamber in fluid communication with an inlet and an outlet fabricated in the body. The valve further includes a deformable valve element mounted within the chamber that, in the valve closed position, seats against a valve seat and a rib grill defined in the chamber. The valve element and the body define a control chamber adapted to be coupled to a source of control pressure. The configuration of the body is fluted to accommodate bolt patterns employed in different flange ratings.
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Schwadron Martin P.
Textron Inc.
Walton G. L.
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