Vacuum ball valve

The utility model belongs to the technical field of vacuum production, and discloses a vacuum ball valve which comprises a valve body, a valve rod and a ball body, an installation hole is formed in the valve body, a first ring groove is formed in the installation hole in the circumferential directio...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUANG WENBO, GAO JIAHUI, WENG PENGBIN
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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