High flow diaphragm valve
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United States of America Patent
Stats
-
Feb 2, 1999
Grant Date -
N/A
app pub date -
Dec 5, 1997
filing date -
Jul 11, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
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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