Satellite seal arrangement for plug valve, ball valve or gate valve

A plug or gate valve including two seats shaped as cylindrical segments and having a first continuous seal surrounding the flow passage and at least one satellite seal outside the first seal to reduce the area upon which pressure acts to force the segment toward the plug or gate.

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Bibliographische Detailangaben
Hauptverfasser:	WITT, ROBERT L, BATES, ROY C, UNGCHUSRI, TEP
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 plug or gate valve including two seats shaped as cylindrical segments and having a first continuous seal surrounding the flow passage and at least one satellite seal outside the first seal to reduce the area upon which pressure acts to force the segment toward the plug or gate.