Double-channel block valve

The invention discloses a two-channel block valve, and relates to the technical field of block valves. The mechanical iris mechanism is arranged on the outer side of the inner pipe in a sleeving mode and comprises a shell, a plurality of cut-off pieces and an operation ring, the shell is annular, th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YU GUOPENG, WANG RUI, WU DI, LI SHAOPENG, LIU HAIXIAO, LIN BAIYANG, WANG CHAO, BAI YUQING, DUO ZHILI, LI FENGQI, CHENG MENGYA, LI WENXIN
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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