... '' standard:ANSI material :alloy qualification: ISO9001, API high pressure alloy flange ANSI B16.5 A105 size: 1/2''_80'' standard:ANSI ... , RTJ, PressureClass 150Lbs, 300Lbs, 600Lbs, 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, EstandardASME B16 ... .5, ASME B16.47, ASME B16.36,DIN 86341-2000, materialCarbon steel(ASTM A105, Q235,A350LF2,A350LF3,)Stainless ...