Corrugated pipe gate valve with middle barrel sealing structure

A corrugated pipe gate valve with a middle barrel sealing structure comprises a valve body, a valve seat and an actuator, the valve seat is arranged in the center of the interior of the valve body, a middle barrel is arranged at the upper end of the valve body, a valve deck is arranged at the upper...

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Bibliographische Detailangaben
Hauptverfasser:	YANG XIANZHEN, LIN XUEJIA, JIANG LIDA
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:	A corrugated pipe gate valve with a middle barrel sealing structure comprises a valve body, a valve seat and an actuator, the valve seat is arranged in the center of the interior of the valve body, a middle barrel is arranged at the upper end of the valve body, a valve deck is arranged at the upper end of the middle barrel, a valve rod is arranged in the middle barrel, the top end of the valve rod is fixedly connected with the valve deck, and the valve rod penetrates through the middle barrel. The bottom end of the valve rod extends into the valve body, a gate plate is arranged at the bottom end of the valve rod and fixedly connected with the valve rod, a middle barrel upper sealing structure is arranged between the middle barrel and the valve cover, a middle barrel lower sealing structure is arranged between the middle barrel and the valve body, and the middle barrel upper sealing structure and the middle barrel lower sealing structure are symmetrical and identical. The middle barrel upper sealing structure