Diaphragm valve

Details Diaphragm valve Diaphragm valve

1997-09-12

1999-12-21

Chambers, A. Michael

Valves and valve actuation

Fluid actuated or retarded

Flexible wall expansible chamber reciprocating valve actuator

251331, 251367, F16K 31126

Patent

active

060038357

ABSTRACT:
A diaphragm valve includes a diaphragm with a rigid insert. The diaphragm is arranged over a valve seat. The diaphragm is clamped concentrically around said valve seat. The combination of the rigid insert and the clamp enable a pressure applied an area of said diaphragm outside said clamped area to be communicated to the area of the diaphragm inside said clamped area, thereby closing or opening said valve seat.

REFERENCES:
patent: 3779274 (1973-12-01), Kelly
patent: 4304260 (1981-12-01), Turner et al.
patent: 5104090 (1992-04-01), Grizzle et al.
patent: 5529280 (1996-06-01), Satoh et al.
"Ventile Typ 740", Mannesmann Rexroth Preumatkik GmbH, Nov. 1994, 4 pp.

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