Single-flange multi-functional high-pressure ball needle valve

The utility model relates to a single-flange multi-functional high-pressure ball needle valve, comprising a valve body, a left end cover, a right end cover, and a flange which is arranged at left end of the valve body and is integrated with the valve body, a first ball valve and a second ball valve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JIN XIANGHE, LI RONGYI, JIN XIANGYANG, WANG GUOTING, JIN JINXING
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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Beschreibung
Zusammenfassung:	The utility model relates to a single-flange multi-functional high-pressure ball needle valve, comprising a valve body, a left end cover, a right end cover, and a flange which is arranged at left end of the valve body and is integrated with the valve body, a first ball valve and a second ball valve are arrayed on the valve body left and right, the first ball valve is an intercepting valve and is connected with the left end cover, the second ball valve is an intercepting valve and is connected with the right end cover, a first needle type valve is arranged between the first ball valve and the second ball valve, the valve pole of the first needle type valve is vertical to the valve pole of the ball valve, the lower end of the valve body is a tapping opening, a second needle type valve is arranged on the right end cover, the valve pole of the second needle type valve is coaxial with the valve body, the second ball valve, the second needle type valve and a valve outlet form a main pipeline, the first needle type