Novel gate valve of sealing structure

The utility model discloses a novel gate valve of a sealing structure. The novel gate valve comprises a valve body, a wedge disc, a valve body sealing ring and a wedge disc sealing ring. The novel gate valve is characterized in that the inner circle of the wedge disc sealing ring is hollowed, and th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HAN TONGXING
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:	The utility model discloses a novel gate valve of a sealing structure. The novel gate valve comprises a valve body, a wedge disc, a valve body sealing ring and a wedge disc sealing ring. The novel gate valve is characterized in that the inner circle of the wedge disc sealing ring is hollowed, and the wedge disc sealing ring and the wedge disc are of a non-contact type sealing structure. By means of the novel gate valve, the sealing performance in a high-pressure state can be remarkably improved, and normal operation of a pipeline in the high-pressure state can be guaranteed.