Air bag type multifunctional half-ball valve

The air bag type multifunctional half-ball valve comprises a first flange, a valve seat and a half-ball valve body, the first flange is fixed to external equipment, a purging air inlet is formed in the valve seat, second flanges are fixed to the two ends of the half-ball valve body correspondingly,...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN XIYU, XI CHENBO, TANG YIBIN, TANG CHAOYUE, TANG QINGFENG
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 air bag type multifunctional half-ball valve comprises a first flange, a valve seat and a half-ball valve body, the first flange is fixed to external equipment, a purging air inlet is formed in the valve seat, second flanges are fixed to the two ends of the half-ball valve body correspondingly, and a valve element used for sealing the valve seat is arranged in the half-ball valve body; a first connecting rod and a second connecting rod are fixed to one side of the valve element, the first connecting rod penetrates through the semi-ball valve body and rotates with the semi-ball valve body in a sealed mode, and the second connecting rod penetrates through the semi-ball valve body and rotates with the semi-ball valve body in a sealed mode. Due to the fact that the gap between the valve seat and the valve element is 0.5 mm, the gap between the air bag sealing ring and the valve element is 1 mm when the air bag sealing ring is not inflated, the valve element and the valve seat cannot be abraded when the valve