Lifting device for lifting height of valve rod of safety valve

The utility model relates to a lifting device for the lifting height of a valve rod of a safety valve. The lifting device comprises a lifting fastening piece, a support piece and at least three support columns, wherein the lifting fastening piece is matched with the upper end of the valve rod of the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XIE QINGYAN, XIE CHANGHUAN, SUN QI
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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