Low-temperature eccentric hemisphere ball valve

The utility model discloses a low-temperature eccentric hemisphere ball valve which mainly solves the problems that the existing low-temperature ball valves are poor in tightness, complicated in structure and poor in safety performance when used. The centre line of a flow pass and the centre line of...

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Bibliographische Detailangaben
Hauptverfasser:	WANG ZHONGYUAN, GUAN LILI, XIANG LIANGHAI, XIANG YONGAN, LI YONGXI, WANG ZHONGMIAO, NAN FEI
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 low-temperature eccentric hemisphere ball valve which mainly solves the problems that the existing low-temperature ball valves are poor in tightness, complicated in structure and poor in safety performance when used. The centre line of a flow pass and the centre line of an upper valve rod are eccentric and the spherical centre of a valve element and the centre line of the upper valve rod are eccentric. The low-temperature eccentric hemisphere ball valve has the advantages of being simple in structure, convenient to operate, good in sealing performance, and long in service life.