Stop valve with indicator

The utility model discloses a stop valve with an indicator. The valve comprises a valve body, a valve cover, a valve clack, a valve rod and a hand wheel, a packing pressing mechanism is arranged at the upper end of the valve cover; the packing pressing mechanism consists of a packing pressing plate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FANG MIN, ZHOU RUXING, BIAN JIANGPING
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 discloses a stop valve with an indicator. The valve comprises a valve body, a valve cover, a valve clack, a valve rod and a hand wheel, a packing pressing mechanism is arranged at the upper end of the valve cover; the packing pressing mechanism consists of a packing pressing plate and a packing pressing sleeve; cylindrical pins are arranged on two sides of the top of the valve cover; an eyelet bolt is arranged on the cylindrical pin; connecting holes corresponding to the swing bolts are formed in the two sides of the packing pressing plate; the swing bolt penetrates through the connecting hole and is connected with the packing pressing plate through a nut; a concave hole is formed inside the upper end of the valve cover; filler arranged in concave hole, the packing pressing sleeve is inserted into the concave hole and tightly presses the packing; a connecting sleeve is also fixed above the packing pressing plate; a valve rod nut is arranged above the connecting sleeve, a switch graduated tub