Double-butterfly-plate type butterfly valve

The utility model discloses a double-butterfly-plate type butterfly valve which comprises a butterfly plate a, buffering mechanisms and a butterfly plate b, the side face of the butterfly plate a makes contact with the butterfly plate b, the buffering mechanisms which are evenly arranged are install...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WANG PEI'AN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING CLEANING CLEANING IN GENERAL COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREVENTION OF FOULING IN GENERAL SEPARATION SHOCK-ABSORBERS SPRINGS TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a double-butterfly-plate type butterfly valve which comprises a butterfly plate a, buffering mechanisms and a butterfly plate b, the side face of the butterfly plate a makes contact with the butterfly plate b, the buffering mechanisms which are evenly arranged are installed on the outer side of the butterfly plate a and the outer side of the butterfly plate b, and each buffering mechanism is specifically composed of a buffering groove a, a buffering block and a buffering groove b. Buffering blocks are evenly arranged on the outer side of the butterfly plate a and the outer side of the butterfly plate b, buffering grooves a are formed in the upper portions of the buffering blocks, and buffering grooves b are formed in the lower portions of the buffering blocks. Buffering blocks are evenly arranged on the outer side of the butterfly plate, buffering grooves are formed in the positions, making contact with the butterfly plate, of the upper side and the lower side of each buffering blo