Novel gate valve and assembling method of gate valve

The novel gate valve comprises a valve body, mounting flanges are fixedly welded to the surfaces of the two ends of the valve body, a closed groove is formed in the surface of one side of the valve body, a flow guide notch is formed in the surface of one side of the closed groove, and a mounting cav...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YU CHENGCHUN
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 novel gate valve comprises a valve body, mounting flanges are fixedly welded to the surfaces of the two ends of the valve body, a closed groove is formed in the surface of one side of the valve body, a flow guide notch is formed in the surface of one side of the closed groove, and a mounting cavity is formed in the surface of one side of the valve body; a valve plate is slidably mounted on the surface of one end of the mounting cavity, the surface of one end of the valve plate is slidably connected to the surface of one side of the closed groove, a connector is arranged on the surface of the other end of the valve plate, a circular hole is formed in the side face of one end of the connector, and a rotating block is rotatably mounted on the side face of the circular hole; and a threaded valve rod is fixedly connected to the surface of one end of the rotating block, a positioning ring is fixedly installed on the surface of one end of the connector, and the surface of one end of the positioning ring is rotat