BUTTERFLY VALVES

A valve disc for a butterfly valve. The valve disc includes a disc body, a main groove suitable for receiving a seal element, and an introduction groove. The disc body comprises first and second faces, an outer periphery, and at least one engagement means configured to receive a shaft for coupling t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KWASNIEWSKI, Pawel
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 valve disc for a butterfly valve. The valve disc includes a disc body, a main groove suitable for receiving a seal element, and an introduction groove. The disc body comprises first and second faces, an outer periphery, and at least one engagement means configured to receive a shaft for coupling the valve disc to a valve body of the butterfly valve. The main groove extends along the outer periphery to form a continuous groove. The introduction groove has a centreline (CL2) and extends from a groove mouth opening in one of the faces of the disc body to an intersection with the main groove. The main groove is so dimensioned and configured that a seal element can only be inserted into or removed from the main groove via the introduction groove. Optionally, the valve disc is a single continuous body of material.