... 2) Standard: ASME, ANSI, API, JIS, JPI DIN 1) Stainless steel flange and carbon steel flange2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI ... , C22.8 4) OD: up to 2,500mm5) Production with anneal solution for stainless performance6) Special design availableOuter packing:Seaworthy plywood case