Fluid control valve and liner therefor

Details Fluid control valve and liner therefor Fluid control valve and liner therefor

1979-02-06

1980-11-11

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Flexible wall expansible chamber reciprocating valve actuator

92 98D, 137219, 251DIG2, 251 46, F16K 31126

Patent

active

042328519

ABSTRACT:
A valve for controlling fluid flow in a fluid system such as a pipeline which includes a body defining an internal chamber in fluid connection with an inlet and an outlet. The valve further includes a deformable valve liner mounted within the chamber which sits against a valve seat and a frustoconical grill having a plurality of ports therein. The liner and the body define a control chamber which is coupled to a source of controlled pressure. A relief region is provided between the liner and the grill at the plane of intersection of the liner and the grill.

REFERENCES:
patent: 2545857 (1951-03-01), Perkins et al.
patent: 2556596 (1951-06-01), Perkins et al.
patent: 2638127 (1953-05-01), Griswold
patent: 2781051 (1957-02-01), Hawley
patent: 2868492 (1959-01-01), Volcov et al.
patent: 3038488 (1962-06-01), Welch et al.
patent: 3212446 (1965-10-01), Golden et al.
patent: 3212768 (1965-10-01), Casimir
patent: 3574310 (1971-04-01), Souriau
patent: 3690344 (1972-09-01), Brumm
patent: 3836113 (1974-09-01), Johnson

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