High flow diaphragm valve

Details High flow diaphragm valve High flow diaphragm valve

1997-12-05

1999-02-02

Chambers, A. Michael

Valves and valve actuation

Hermetic flexible wall seal for actuator

Diaphragm

2513351, F16K 3150

Patent

active

058654232

ABSTRACT:
A diaphragm valve is provided with a valve housing having an inlet passage extending into a chamber and an outlet passage extending from the chamber. A diaphragm is mounted to the valve housing for covering the valve chamber. The diaphragm is provided with an aperture extending centrally therethrough. A valve stem is mounted adjacent the diaphragm externally of the valve chamber, such that movement of the valve stem deflects the diaphragm. A valving element is disposed in the valve chamber and is threadedly engaged with the valve stem through the aperture in the diaphragm. A toroidal sealing bead on the valving element is sealingly engaged with portions of the diaphragm surrounding the aperture therein.

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