Ball valve

The utility model relates to a ball valve which comprises a valve body, a first valve seat is sleeved with the valve body, a ball valve element is arranged in the first valve seat, a valve rod is arranged on the ball valve element, the first valve seat and the valve body, the ball valve element on o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG YUCAI, LIN QIAN, GAO XIFENG, QIN XIAOLONG, ZHU SENYUAN
Format:	Patent
Sprache:	chi ; 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:	The utility model relates to a ball valve which comprises a valve body, a first valve seat is sleeved with the valve body, a ball valve element is arranged in the first valve seat, a valve rod is arranged on the ball valve element, the first valve seat and the valve body, the ball valve element on one side of the valve rod is attached to the first valve seat, and a second valve seat is arranged in the first valve seat on the other side of the valve rod. The face, close to the ball valve element, of the second valve seat is attached to the ball valve element, the portion, above the valve body, of the valve rod is sleeved with a fixing plate, a pin shaft connecting hole is formed in the portion, between the fixing plate and the valve body, of the valve rod, a first pin shaft connecting rod and a second pin shaft connecting rod are arranged on the bottom face of the fixing plate, a first pin shaft is arranged at the bottom end of the first pin shaft connecting rod, and a second pin shaft is arranged at the botto