Vacuum breaker valve

The invention belongs to the field of valves. A vacuum breaker valve comprises a pneumatic valve. The vacuum breaker valve is characterized in that: a pilot electromagnetic valve and two quick exhaust valves are arranged on the pneumatic valve, the interfaces (A) of the two quick exhaust valves are...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JIANG XIAOHONG, DONG CHAOKUN, LI XINDING, DING BO, HU YUHONG, LI LONGHUI, XU WENQING, XIA YUQIN, HONG ZHIXING
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 invention belongs to the field of valves. A vacuum breaker valve comprises a pneumatic valve. The vacuum breaker valve is characterized in that: a pilot electromagnetic valve and two quick exhaust valves are arranged on the pneumatic valve, the interfaces (A) of the two quick exhaust valves are communicated with the pressure cavity of the pneumatic valve respectively, the interfaces (P) of the two quick exhaust valves are connected to the interface (A) of the pilot electromagnetic valve together by using a guide pipe respectively, and the pressure port of the pilot electromagnetic valve is connected with a pressure gas source. The vacuum breaker valve solves the technical problems that emission of gas in the pressure cavity of the pneumatic valve is accelerated and the valve is quickly opened within 0.4 second.