ANSI flange 1) Material quality: SUS304, SUS316L 2) Size: 1"-20" or DN15-DN500 ANSI flange1) Material quality: SUS304, SUS316L2) Size: 1"-20" or DN15-DN5003)Standard: GB, ANSI, DIN, JIS,BS4)Application: petroleum, pharmacy, chemical, metallurgy and other industry field5)The specifications can be designed and satisfied for customers' special requirements6)Packing: as customer's request ...