... .Size:DN15-DN2000 3.Standard:ANSI,ASTM,MSS,JIS,DIN,EN Carbon steel forged ASTM A105 Blind flange We started to ... sincerely welcome to your valuable words and inquiry. 1. StandardANSI,ASTM,JIS,DIN,GB etc.2. TypeSlip On Flange, Flat Face ... ,S235JRG2,P250GH,C22.8 ect.5. Used forpetroleum, chemical, power, gas, water, linepipe, heat exchanger, shipbuilding, construction, etc .6. Production processraw ...