Ball valve body structure

The invention relates to a ball valve body structure. The ball valve body structure comprises a main valve body, a valve cover, a valve cover flange and a valve body flange. Inlet and outlet openings communicated with a valve cavity are formed in one side of the valve cover and one side of the valve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	XIANG GUANGPING
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 invention relates to a ball valve body structure. The ball valve body structure comprises a main valve body, a valve cover, a valve cover flange and a valve body flange. Inlet and outlet openings communicated with a valve cavity are formed in one side of the valve cover and one side of the valve cavity respectively; the valve cover is fixedly connected with the main valve body; valve seat shoulder steps for arranging a valve seat are disposed at the ends, close to the center of the valve cavity, of the inlet and outlet openings of the valve cover and the valve cavity; the valve cover flange and the valve body flange are provided with inlet and outlet channels respectively. Butt joint shoulder steps are only arranged on the outer wall of one end of the valve body flange and on the outer wall of one end of the valve cover flange, the end faces of both the valve cover flange and the valve body flange are flush with the annular planes of the valve seat shoulder steps, therefore the inlet and outlet channels i