... : ASME ,ANSI,API,JIS,JPI,DIN,UNI,BS,AS Stainless steel flange and carbon steel flangeStandard:ASME ,ANSI,API,JIS,JPI,DIN,UNI,BS ... ,C22.8OD:up to 2,500mmProduction with anneal solution for stainless performanceSpecial design availableOuter packing:Seaworthy plywood case Stainless Carbon steel forged flange