Pneumatic vacuum gate valve

The invention relates to the technical field of valves, in particular to a pneumatic vacuum gate valve. The pneumatic vacuum gate valve is provided to improve the defects that in the prior art, the structure is complex, the installation is cumbersome, the seal effect is not good, the cost is high, a...

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Bibliographische Detailangaben
Hauptverfasser:	LIANG YUEYUE, ZHANG QIANSONG, QIN JIE
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 invention relates to the technical field of valves, in particular to a pneumatic vacuum gate valve. The pneumatic vacuum gate valve is provided to improve the defects that in the prior art, the structure is complex, the installation is cumbersome, the seal effect is not good, the cost is high, and a vacuum gate valve is not suitable for special-shaped sealing plates. According to the technical scheme, the pneumatic vacuum gate valve comprises the vacuum gate valve which comprises a valve body, a valve element which makes reciprocating motion in the valve body, and a sealing plate A and a sealing plate B which are located in the valve element; the pneumatic vacuum gate valve is characterized by further comprising a cylinder. Compared with the prior art, the pneumatic vacuum gate valve has the advantages that a pneumatic principle is utilized, the structure is simple, the installation is convenient, the seal effect is good, and the pneumatic vacuum gate valve is suitable for various special-shaped sealing plates.