... 5, BS4504, DIN2633, EN1092-1 ISO TUV Certificate Forged Steel Flange:Welding Neck Flanges, Slip-on Flanges, Blind , Plate Flanges ... , Lap Joint Flanges, Orifice Flanges, Figure 8 Blanks Flange, Anchoring Flange 1. ASME FlangesSTANDARD:ASME B16.5, ASME B16.47 ... PN25,PN40, PN63, PN100MATERIAL: P245GH, C22.8, S235JRG24. BS FlangesSTANDARD: BS 4504, BS3293PRESSURE GRADE:PN2.5,PN6,PN10,PN16,PN25,PN40 5 ...