MEJORAS A VALVULA DE COMPUERTA EXPANDIDA QUE TIENE ASIENTOS SUJETOS MECANICAMENTE

An expanding gate valve having seats (74) which are mechanically secured in place. The valve body has seat pockets which include undercut grooves (78) intersected by a cylindrical body cavity (24) to form a pair of openings (80) to each groove. Each valve seat has a pair of lugs (90) which may be fi...

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Bibliographische Detailangaben
Hauptverfasser:	ROY.R. DARE, ROBERT C. HOULGRAVE, WILLIAM S. SHELTON
Format:	Patent
Sprache:	spa
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:	An expanding gate valve having seats (74) which are mechanically secured in place. The valve body has seat pockets which include undercut grooves (78) intersected by a cylindrical body cavity (24) to form a pair of openings (80) to each groove. Each valve seat has a pair of lugs (90) which may be fitted through the openings and into the undercut groove. Subsequent rotation of the seat locks the lugs in the groove to secure the seat in place in its seat pocket. Each seat is able to pivot about an axis extending between the lugs in order to compensate for irregularities in the contact surfaces of the gate or seat.