Ultralow-temperature floating ball valve

The ultralow-temperature floating ball valve comprises a valve body, valve covers, a rear valve seat, a ball body, an upper shaft sleeve and a valve rod, the valve covers are installed at the two ends of the valve body through full-tooth studs, the ball body is installed in the valve body, an anti-s...

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Bibliographische Detailangaben
Hauptverfasser:	TIAN SHIZHONG, YAO XIUJUAN, YANG BO, YU WANJI, ZHANG FENG, HE LEQUAN, CHEN ZHENDA, YING KEHUI, YE ZHIWEN
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 ultralow-temperature floating ball valve comprises a valve body, valve covers, a rear valve seat, a ball body, an upper shaft sleeve and a valve rod, the valve covers are installed at the two ends of the valve body through full-tooth studs, the ball body is installed in the valve body, an anti-static spring connected with the rear valve seat is arranged below the ball body, the left side face of the ball body makes contact with a front valve seat installed on the valve covers, and the upper shaft sleeve is connected with the upper shaft sleeve. The ultralow-temperature floating ball valve comprises a valve body and a valve rod, a valve cover is installed on the right side face of the valve body, a rear valve seat is installed on the right side face of the ball body and the valve cover, an upper shaft sleeve is installed in the middle of the upper end of the valve body through a bolt, a packing set is installed at the joint of the upper end of the upper shaft sleeve and the valve rod, and the valve rod abo