Throat-diameter-variable safety valve

The utility model discloses a throat-diameter-variable safety valve. The throat-diameter-variable safety valve comprises an outer shell, a main spring mechanism, an auxiliary spring mechanism, a connector, a main valve disk and an auxiliary valve disk. The lower end of the outer shell is connected t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN PING, HU JIAN, WEN ZHENG, TANG SHUO, WAN KEXI, LI CHUNYAN
Format:	Patent
Sprache:	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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