Soft valve seat and two eccentric butterfly valves of hard disk seat composite seal fireproof

The utility model relates to a soft valve seat and two eccentric butterfly valves of hard disk seat composite seal fireproof mainly includes the valve body, the soft valve seat that sets up in the eccentric side latus rectum of valve body, and hard disk seat with the valve plate of soft valve seat,...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	GUO BAOXIA
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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