Constant flow control valve

The embodiment of the invention discloses a constant flow control valve, and belongs to the technical field of separated layer water injection. The constant flow control valve comprises a shell, an adjusting cylinder, a lower main body and a constant flow valve assembly, wherein the adjusting cylind...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG LINGLING, SONG XIANMIN, ZHANG JIE, WU SHUANGLIANG, FU JUN, XIAO GUOHUA, QIU YIWANG, WANG FANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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