Forged Steel Flange: Welding Neck, Slip-on, Blind, Plate flange ANSI B16.5, BS4504, DIN2633, EN1092-1 ISO TUV Certificate Forged ... .5, ASME B16.47,ASME B16.48,ASME B16.36,ANSI/AWWA C207PRESSURE GRADE:Class150,Class300,Class600,Class900,Class1500,Class2500MATERIAL: ASTM A105ASTM ...