... ,DIN,JIS.BS, Cert:ISO,TUV,AD,PED,API. DIN Standard Statinless Steel Flange1. Type: welding neck flange, lap joint flange, thread flange, slip on flange, socket welding flange ... : JIS 5K, 10K, 16K and 20K 5. Standard: ANSI, JIS/KS, DIN, AWWA4. Facing:TG,RF,MFM,FM,FF,RJDIN WELDING NECK STAINLESS STELL FLANGE