6 150 July 8, 2019 16 32 64 128 6 1500 6 150# flange dimensions 6 150 flange 6 150 as a percentage 6 * 150 * 4 6 * 150 * 12 6 * 150 * 2 6 150 percent 6 * 150 * 3 6 1506 6 * 150 * 5 6 150 ansi flange dimensions 6 1508 6 1502 6 1501