DIN Flange Size:1/2"-60" Material:carbon steel and alloy Standard:ASTM,DIN,JIS.BS, Cert:ISO,TUV,AD,PED,API. DIN Standard Statinless Steel ... #, A105, Q235A, 331, 304, 304L, 316, 316L etc.3. Size:1/2" to 60" NB 4. Pressure Ratings: Class 150, 300 ... , 1500 and 2500 Pressure Ratings: JIS 5K, 10K, 16K and 20K 5. Standard: ANSI, JIS/KS, DIN, AWWA4. Facing:TG,RF,MFM,FM ...