STEEL FLANGES JIS B2220 5K ANSI 16.5 ASTM A 105 Nominal Bore of Flange Outside Dia. of Applicable Pipe Inside Dia. of Flange do Inside Dia. of Flange D Sectional Dimension of Flange t T Dia.of hub Radius r a b -10 17.3 17.8 75 9 - - - - 15 21.7 22.2 80 9 - - - - -20 27.2 27.2 85 10 - - - - 25 34 34.5 95 10 - - - - -32 42.7 43.2 115 12 - - - - 40 48.6 49.1 120 12 - - - - 50 60.5 61.1 130 14 - - -..
