ASTM A105n Blind Flange ASME B16.5 Forged 12 Inch Class 150 RF Bo Yue Industrial(Shanghai)Co. Ltd Base Info Model NO.:008Standard:ANSI, DIN, GB, JISType:Welding FlangeMaterial:Carbon SteelStructure:FlangesConnection:WeldingSealing Surface:RFManufacturing Way:Forging Description Pre:ASTM A105 Wn RF Flange ANSI B16.5 Forged 14 Inch Sch 120 RF 150lb Next:High Quality Composite Flange