Stainless Steel Welding Neck Flange Standard: ANSI B16.5,DIN,JIS,UNI,BS4504,EN1092-1 Material:SS ... flanges,blind flanges,plate flanges,socket welded flanges,threaded flanges,lap joint flanges etc.Pressure Rating Class150,300,600,900,1500,2500 ... ,20K,-30K; SCH5S,10S,20S,40S,80S,160,SCHXXS.Standard ANSI B16.5,DIN,JIS,UNI,BS4504,EN1092-1Material Stainless SteelGrade ...