Double-tube sealed nitrogen replacement band oil and gas band pressure leaking stoppage device

The utility model provides an oil and gas pipeline double-tube sealed nitrogen replacement band oil and gas band pressure leaking stoppage device, and relates to the technical field of pipeline systems. The device comprises a leaking stoppage device body (1), a sealing rubber ring (2), a leaking sto...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUO SUXIN, LI WENBIN, ZHOU YUAN, ZHANG JIHONG, WANG AIGUO, LIU ZENIAN, LIU XIAOMING, WU NING, LI WENJUN, MENG WEI, MENG XIANSHAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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