Check valve

The invention discloses a check valve, which belongs to the field of oilfield development and comprises a valve body, a valve clack, a valve rod, an ejector rod and an ejector rod guide structure. The valve body comprises a liquid inlet chamber, a valve seat and a liquid outlet chamber, the valve se...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TANG TIANLEI, YANG PEILUN, GUO LILI, MA ZHIQIANG, YANG XIAOYONG, WANG PEI, CHEN XIAOHAI, SUN XIAOGUANG
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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