Petroleum machinery ball valve sealing structure convenient to install and maintain

A petroleum machinery ball valve sealing structure convenient to install and maintain comprises a valve seat, a through hole is axially formed in the valve seat, a valve rod hole is formed in one radial side of the valve seat, and a valve rod is arranged in the valve rod hole in a penetrating mode,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PENG ZHENXIANG, XIAO DIWEN, HUANG WEI
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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