Eccentric semi-ball valve is a kind of new developed ball valve which is specialized in solving the technical problems during “solid-gas” and “liquid-gas” fluids medium conveying. It is mainly used for cutting off, regulating or changing the direction of medium in the pipeline. Eccentric semi-ball valve is widely used in steel mill ,alumina plant ,soda plant ,water works and so on.

Design standard 

ASME B16.34 -2009  Valves-Flanged ,Threaded,and welding 

ASME B16.10-2009  Face to face and End to end dimensions of valves 

API 598-2004 Valve Inspection and Testing 
 
GB/T 26146-2010  Eccentric semi-ball valve

GB/T12221 -2005 Metal valves-Face to face

GB/T13927 -2008 Industrial valves - Pressure testing