Seal glands for butterfly valves

A butterfly valve includes a valve body 102 and a valve retainer 108 mounted to the valve body. The valve body 102 and the valve retainer 108 define a circumferential cavity 302 that includes first 306 and second 308 surfaces substantially perpendicular to a longitudinal axis of a flow path of proce...

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Bibliographische Detailangaben
1. Verfasser:	Bryan Quinn Leger
Format:	Patent
Sprache:	eng
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 butterfly valve includes a valve body 102 and a valve retainer 108 mounted to the valve body. The valve body 102 and the valve retainer 108 define a circumferential cavity 302 that includes first 306 and second 308 surfaces substantially perpendicular to a longitudinal axis of a flow path of process fluid through the butterfly valve. The second surface 308 is offset from the first surface 306. A third surface 310 extends between the first surface 306 and the second surface 308. The first surface 306, second surface 308, and third surface 310 enable a seal 320 to translate within the cavity 302 in a direction substantially parallel to the first surface 306.