... 2.long service life 3.high resistant corrosion Adjustable Titanium Ball Valve V-Type Design StandardGB/T12237,API6D,ASME B16.34Face To ... ,API6D,ASME B16.10FlangeHG,GB,JB,API,ANSI,ISO,BS,DIN,NF,JISFireproofing GradeAPI 6FA ,API 607Inspection And TestJB/T9092,GB/T13927 ... : ASME B16.10, GB/T12221, API6D, etc.Adapting Flange: HG,GB,JB,API,ANSI,ISO,BS,DIN,NF,JISTest Standard: JB/T9092 ...