STOP VALVE

The utility model discloses a stop valve used for industry, comprising a valve body, a valve cover, a valve flap, a valve stem, a sealing component, a sealing fixing component a controlling component, etc. A guiding convex block (A) is arranged on the valve body, and a guiding plane (B) is arranged...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YE CHUNNIAN
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 discloses a stop valve used for industry, comprising a valve body, a valve cover, a valve flap, a valve stem, a sealing component, a sealing fixing component a controlling component, etc. A guiding convex block (A) is arranged on the valve body, and a guiding plane (B) is arranged on the valve flap. When the valve stem rotates and moves, the valve flap can move but not rotate, so that the phenomenon of abrasion on a sealing pair basically does not occur at the process of closing a valve gate, the severe wear of the sealing pair caused by the engagement and the erosion of the joint of the valve flap and a valve stem can be avoided, and the service life of the valve gate is prolonged.