Diaphragm mud valve

The utility model relates to the technical field of mud valves, in particular to a diaphragm mud valve. The diaphragm mud valve comprises a valve body, a diaphragm seat and a valve cover. An inlet is formed in one side of the valve body, an outlet is formed in the bottom portion of the valve body, a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	CHENG HANZHANG
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 relates to the technical field of mud valves, in particular to a diaphragm mud valve. The diaphragm mud valve comprises a valve body, a diaphragm seat and a valve cover. An inlet is formed in one side of the valve body, an outlet is formed in the bottom portion of the valve body, and a valve plate is arranged in the outlet. A diaphragm leaf is arranged between the bottom end of the valve cover and the top end of the diaphragm seat, an upper diaphragm pressing plate is arranged on the upper face of the diaphragm leaf and a lower diaphragm pressing plate is arranged on the lower face of the diaphragm leaf. A through hole is formed in the bottom portion of the diaphragm seat, a valve rod is connected with an elastic diaphragm leaf, the upper diaphragm pressing plate and the lower diaphragm pressing plate, the lower end of the valve rod is connected with a valve plate, a water pressure cavity is formed between the diaphragm leaf and the valve cover, and a water inlet and a water outlet are forme