Valve diaphragm

Details Valve diaphragm Valve diaphragm

1994-12-29

1996-07-16

Lee, Kevin

Valves and valve actuation

Reciprocating valve

Diaphragm

92 98R, F16K 31126

Patent

active

055359876

ABSTRACT:
A fluid flow control valve has a diaphragm for sealing against a valve seat. The diaphragm has an enlarged resilient annular rim portion which is clamped between mating portions of the valve to seal and support the diaphragm within the valve. The annular rim portion comprises an annular bead that extends substantially completely around a peripheral edge of the diaphragm and is integrally molded with the diaphragm. In addition, a separate flexible ring member having a radially inwardly facing cavity for receiving the bead is separably attached to the bead such that the annular rim portion is formed both by the bead and the ring member.

REFERENCES:
patent: 4717117 (1988-01-01), Cook

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