A MULTI-WAY VALVE WITH FAN-SHAPE PASSAGE SEALING PAIRS

A multi-way valve with fan-shape passage sealing pairs which measures in turn production of individual well to obtain dynamic production data of oil well. The valve relates to oil and gas transmission system for petroleum, chemical industry,and so on.The valve comprising: a floating trigger ring(17)...

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Bibliographische Detailangaben
Hauptverfasser:	WAN, Mingmin, YAO, Jianshe
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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