ASTM A105 Blind RF Flange ANSI B16.5 Forged 1 Inch RF Cl900 Bo Yue Industrial(Shanghai)Co. Ltd Base Info Model NO.:003Standard:ANSI, DIN, GB, JISType:Welding FlangeMaterial:Carbon SteelStructure:FlangesConnection:WeldingSealing Surface:RFManufacturing Way:Forging Description Pre:ASTM A105 ANSI B16.5 Rtj Blind Flange Forged 6 Inch Cl900 Next:ASTM A105n So RF Flange BS 3293 Forged 30 Inch Class 150