Electric butterfly valve with anti-backflow device

The utility model discloses an electric butterfly valve with an anti-backflow device, which comprises a valve body of the electric butterfly valve, a liquid inlet cavity of the valve body is communicated with an urban water supply upstream end, a liquid outlet cavity of the valve body is communicate...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HONG RONGKUN, LIU JIE, HONG YONGJIN
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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