Falling-free constant-pressure opening sealing device

The utility model discloses a falling-off-free constant-pressure opening sealing device, and relates to the field of sealing and constant-pressure opening of pipelines. The constant-pressure opening and sealing device comprises an outer frame, the cover body is connected with the pipe wall through t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU XIAOMENG, LU WEI, LU YADI, WU QIONG, ZHANG HUALEI, ZHANG JINRAN, HUANG WENPENG, XIAO LINNAN, GAO LIHUA, ZHANG YIKUN
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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