... 2.long service life 3.high resistant corrosion Adjustable Titanium Ball Valve V-Type Design StandardGB/T12237,API6D,ASME B16.34Face To ... -face Dimension: ASME B16.10, GB/T12221, API6D, etc.Adapting Flange: HG,GB,JB,API,ANSI,ISO,BS,DIN,NF,JISTest ...