Plunger valve

The utility model relates to a plunger valve which comprises a valve body, a valve rod, a plunger valve core, a handwheel and a valve seat, wherein, the lower end of the valve rod is connected with the plunger valve core; the valve rod and the plunger valve core are arranged in the valve body; the v...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHEN SHUQING, LIU SHUFAN, QING DONGQUAN, QING SHAOJIANG
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 plunger valve which comprises a valve body, a valve rod, a plunger valve core, a handwheel and a valve seat, wherein, the lower end of the valve rod is connected with the plunger valve core; the valve rod and the plunger valve core are arranged in the valve body; the valve body is connected with the valve seat which is provided with an inlet and an outlet; the valve rod and the plunger valve core are both provided with sealing grooves; an O-shaped sealing ring is arranged in the sealing groove. The seal of the valve rod and the valve body, and the seal of the plunger valve core and the valve seat in the utility model both adopt the O-shaped sealing rings which are double seal with good sealing effect and no leakage.