DIAPHRAGM VALVE

A diaphragm valve for faucet valve assemblies is disclosed. The diaphragm has an inverted dished valve closure portion received in an end recess in a valve plunger, the plunger being nonrotatable and reciprocably mounted in the valve body for movement relative to a valve seat against which the valve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BISONAYA, RUDY Y, FARRELL, GERALD J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A diaphragm valve for faucet valve assemblies is disclosed. The diaphragm has an inverted dished valve closure portion received in an end recess in a valve plunger, the plunger being nonrotatable and reciprocably mounted in the valve body for movement relative to a valve seat against which the valve closure portion of the diaphragm is held in valve closed position. The valve diaphragm has a convoluted supporting section extending radially from the valve closure portion which rolls during the stroke of the valve plunger and the end of the valve plunger and the sidewall of the outlet chamber in the valve body provides a continuous surface against which the supporting section of the diaphragm is pressed without being stretched by the pressure of water in the outlet chamber in the valve open position of the diaphragm. In the valve closed position of the diaphragm, the inlet water pressure acts against the diaphragm to provide a pressure energized seal at the valve seat.