... Forged Steel Flange: Welding Neck, Slip-on, Blind, Plate flange ANSI B16.5, BS4504, DIN2633, EN1092-1 ISO TUV Certificate Forged Steel Flange:Welding ... Flanges, Lap Joint Flanges, Orifice Flanges, Figure 8 Blanks Flange, Anchoring Flange 1. ASME FlangesSTANDARD:ASME B16.5, ASME B16.47 ... ,ASME B16.48,ASME B16.36,ANSI/AWWA C207PRESSURE GRADE:Class150 ...