Quoting Standards Floating ball and full bore Flanged or Butt-welding ends Manufacture in accordance with API 6D or API 608 Face to face/End to end dimensions to ANSI B 16.10 Flange dimensions to ANSI B 16.5 Butt-welding end dimensions to ANSI B 16.25 Valve tested to API 6D or API 598 Material of main parts Shell ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF3 ASTM A351 CF8M ASTM A351 CF3M Ball & Stem F6a F304 F316 F304 F316 F304L F316 F316L Seat Ring Reinforced PTFE