Explosion-proof pneumatic three-way ball valve

The utility model discloses an explosion-proof type pneumatic three-way ball valve which comprises a pneumatic device box and a valve body, a connecting seat is arranged on the valve body, a ball head and a pressure sensor are arranged in the valve body, the pneumatic device box is fixed on the conn...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIU YUJIN, HANG LIJUAN
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 utility model discloses an explosion-proof type pneumatic three-way ball valve which comprises a pneumatic device box and a valve body, a connecting seat is arranged on the valve body, a ball head and a pressure sensor are arranged in the valve body, the pneumatic device box is fixed on the connecting seat through a connecting frame, a control device is arranged on the pneumatic device box, and the pressure sensor is arranged on the control device. A hydraulic lifter is arranged at the bottom of the pneumatic device box, a pneumatic assembly is arranged in the pneumatic device box, and a connecting end is arranged on the hydraulic lifter. The ball valve is an explosion-proof valve body, the pressure in the valve body is monitored through the pressure sensor, when the pressure value exceeds a pressure standard parameter value, the control device can start the hydraulic lifter, the hydraulic lifter moves the pipe sleeve to the outer portion of the valve body connecting base, gas in the valve body is exhaust