Improved gate valve

The utility model discloses an improved board plug valve, which comprises a valve body, a board plug in the valve body, and a board plug operating device, wherein the valve body consists of an upper valve chassis with a material passing hole and a lower valve chassis also with a material passing hol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	CUI MAOZHAN
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 an improved board plug valve, which comprises a valve body, a board plug in the valve body, and a board plug operating device, wherein the valve body consists of an upper valve chassis with a material passing hole and a lower valve chassis also with a material passing hole; a guide supporting chassis is clamped between the upper valve chassis and the lower valve chassis; the guide supporting chassis is provided with a material passing hole, and the material passing hole is larger than the material passing holes on the upper and lower valve chassis; upper and lower surfaces of the guide supporting chassis are provided with gaskets; a chute of the board plug is formed among the upper valve chassis, the guide supporting chassis and the lower valve chassis; the gaskets is extended to upper and lower surfaces of the chute, thus a good sealing effect is obtained; besides, the complete structure is simple and the operation is convenient; in addition, as an insertion structure is adopted f