Butterfly valve

A valve having improved inherent flow characteristics and improved dynamic torque characteristics is provided. The valve includes a disk for controlling fluid flow inside the valve. The disk has at least a sealing surface for sealing with a valve seal when the disk is in a closed position. The seali...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BAUMANN HANS D, RALSTON DONALD G, DEPENNING CHARLES L
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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