Forged carbon steel flange: 1.OEM service offered; 2.ISO9001 authentication; 3.15 years of experience Product Information: 1. Size: 1/2" - 24"(DN15 mm - 1500 mm)2. Standards: ANSI, BS, DIN, UNI, JIS, GB, Non-standard etc. or as customers' drawings for special use.3. Materials: Carbon steel, Stainless steel.4. Pressure Ratings: Class 150, 300, 600, 900, 1500 and 2500 PN 6, PN 10, PN16, PN25, PN40 ...