... ,JIS,BS standard 4,Pipes pipe fittings & flanges 5Carbon steel and stainless steel Carbon Steel & Stainless Steel Flanges according to ASTM, DIN, JIS, BS ... .48,Socket Welding Flange, Blind Flange, Orifice Flange,Ring Joint Flanges, Long Welding Neck Flange, Figure 8 Blanks Conncetion typeRaised face ...