ANSI 150 Normal Diameter of Pipe   Dimension of Flange Bolt A C D H No. mm lnch   15 1/2″ 60.5 88.9 15.7 4 20 3/4″ 69.9 98.6 15.7 4 25 1″ 79.2 108 15.7 4 32 1-1/4″ 88.9 117.3 15.7 4 40 1-1/2″ 98.6 127 15.7 4 50 2″ 120.7 152.4 19.1 4 65 2-1/2″ 139.7 177.8 19.1 […]