... temperature conditions.SizeWeld neck flange: 1/2"~100" DN10~DN4000PressureAmerican Series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS ... DIN2638BS1560-3.1-1989 BS4504-3.1-1989AFNOR NF E29-200-1-2007ISO7005-1-1992AS2129-2000JIS B2220-2004MaterialCarbon steel: A105Alloy steel ... Series: Type A(Flat Face), Type B(Raised Face), Type C(Tongue), Type D(Groove), Type E(Spigot), Type F(Recess ...