Combined soft gate valve

The utility model discloses a combined soft gate valve, which belongs to the technical field of soft gate valves and comprises a valve body, a valve seat is mounted at the top end of the valve body, flange plates are welded on the outer sides of pipe bodies at two ends of the valve body, a valve rod...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG LIDONG, JIA PEIWEI, HE LEI, MA JIE, YAO YOUMING, DING HONGSHENG
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 combined soft gate valve, which belongs to the technical field of soft gate valves and comprises a valve body, a valve seat is mounted at the top end of the valve body, flange plates are welded on the outer sides of pipe bodies at two ends of the valve body, a valve rod extends out of the top end of the valve seat, a rotating handle is welded at the top end of the valve rod, and a vertical groove is formed in the surface of the valve rod. A vertical groove is formed in the surface of the valve rod above the valve seat, scale marks are chiseled at the bottom end of the groove wall of the vertical groove, the outer side of the valve body behind the flange plate is sleeved with a heat preservation sleeve, a heat tracing band is wound on the surface of the valve body inside the heat preservation sleeve, the vertical groove is formed in the surface of the valve rod above the valve seat, and then the scale marks are chiseled at the groove bottom of the vertical groove. The valve rod ca