Control valve lined with polyflon

The utility model relates to a control valve lined with teflon. In the utility model, a valve body is connected with a valve cover, and the valve cover is connected with a casing of a transmission part; a valve shaft which is connected with a plug cock in a valve body is arranged in the casing of th...

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Bibliographische Detailangaben
Hauptverfasser:	YANLIANG ZHANG, CHANGPING ZHENG, JUNFANG ZHANG, YUNHAI ZHANG, YISHUANG ZHOU, YUMAO YANG, HONGYUN WANG
Format:	Patent
Sprache:	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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Beschreibung
Zusammenfassung:	The utility model relates to a control valve lined with teflon. In the utility model, a valve body is connected with a valve cover, and the valve cover is connected with a casing of a transmission part; a valve shaft which is connected with a plug cock in a valve body is arranged in the casing of the transmission part, and a teflon inner cavity lining is arranged between an inner cavity of the valve body and the stainless steel plug cock of which the periphery of the surface is provided with an oil groove. The utility model can well meet the requirement of a long delivery pipeline. The sealing form adopts a double seal of metal and teflon, and the self-locking performance is good; after the valve is closed, one layer of oil film can be generated on a sealing surface and the leakage can not occur at all.