Valve maintenance and overhaul device

A valve maintaining and overhauling device comprises a pipeline, a ball valve is installed in the pipeline, a first rotating shaft penetrating through the inner wall of the top of the pipeline is fixedly installed at the top of the ball valve, a first box body with the bottom communicating with the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUAN GAOYUN, TANG JIANFANG, GUO SHIHAI
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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