AWWA C207

Table 2 AWWA C 207 Standard Steel-Ring Flanges Class B (86 psi) and Class D (175-150 psi) Nominal Pipe Size inch 4 5 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 60 66 72 78 84 90 96 102 108 114 120 126 132 138 144

OD of  Flange (A) inch 9.00 10.00 11.00 13.50 16.00 19.00 21.00 23.50 25.00 27.50 29.50 32.00 34.25 36.50 38.75 41.75 43.75 48.00 48.75 50.75 53.00 55.25 57.25 59.50 61.75 64.00 66.25 73.00 80.00 86.50 93.00 99.75 106.50 113.25 120.00 126.75 133.50 140.25 147.00 153.75 160.50 167.25

ID of  Number of  Dia.of Bolt Dia of  Flange (B) Bolts Circle (C) Bolts inch inch inch 4.57 5.66 6.72 8.72 10.88 12.88 14.19 16.19 18.19 20.19 22.19 24.19

8 8 8 8 12 12 12 16 16 20 20 20 24 28 28 28 32 32 32 36 36 40 40 44 44 44 44 52 52 60 64 64 68 68 72 72 76 76 80 80 84 84

7.50 8.50 9.50 11.75 14.25 17.00 18.75 21.25 22.75 25.00 27.25 29.50 31.75 34.00 36.00 38.50 40.50 42.75 45.25 47.25 49.50 51.75 53.75 56.00 58.25 60.50 62.75 69.25 76.00 82.50 89.00 95.50 102.00 108.50 114.50 120.75 126.75 132.75 139.25 145.75 152.00 158.25

0.63 0.75 0.75 0.75 0.88 0.88 1.00 1.13 1.13 1.13 1.25 1.25 1.25 1.25 1.25 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.75 1.75 1.75 1.75 1.75 1.75 2.00 2.00 2.25 2.25 2.50 2.50 2.75 2.75 3.00 3.00 3.25 3.25

Thickness of Flanges,in Class B Class D T T 0.625 0.625 0.688 0.688 0.688 0.688 0.688 0.688 0.688 0.688 0.750 0.750 0. 0.812 0. 0.875 0. 0.875 0. 0.938 0. 0.938 1. 1.000 1. 1.000 1. 1.000 1. 1.125 1. 1.125 1. 1.125 1. 1.250 1. 1.250 1. 1.250 1. 1.375 1. 1.500 1. 1.625 1. 1.750 2. 2.000 2. 2.000 2.250 2.250 2.500 2.500 2.750 2.750 3.000 3.000 3.250 3.250

0.625 0.625 0.688 0.688 0.688 0.812 0.938 1.000 1.062 1.125 1.188 1.250 1.312 1.312 1.375 1.500 1.500 1.625 1.625 1.625 1.750 1.750 1.750 1.875 2.000 2.000 2.125 2.250 2.500 2.625 2.750 2.875 3.000 3.250 3.250 3.375 3.500 3.500 3.750 3.875 4.000 4.125

T

B C A

Table 2 AWWA C 207 Standard Steel-Ring Flanges Class B (86 psi) and Class D (175-150 psi) Nominal Nominal Pipe OD of Flange (A) ID of Flange (B) Number of  Dia.of Bolt Dia of  Thickness of Pipe Size mm mm mm Bolts Circle (C) Bolts Class B Size inch mm mm T 4 101.60 228.60 116.078 8 190.50 15.88 15.875 5 127.00 254.00 143.764 8 215.90 19.05 15.875 6 152.40 279.40 170.688 8 241.30 19.05 17.475 8 203.20 342.90 221.488 8 298.45 19.05 17.475 10 254.00 406.40 276.352 12 361.95 22.23 17.475 12 304.80 482.60 327.152 12 431.80 22.23 17.475 14 355.60 533.40 360.426 12 476.25 25.40 17.475 16 406.40 596.90 411.226 16 539.75 28.58 17.475 18 457.20 635.00 462.026 16 577.85 28.58 17.475 20 508.00 698.50 512.826 20 635.00 28.58 17.475 22 558.80 749.30 563.626 20 692.15 31.75 19.050 24 609.60 812.80 614.426 20 749.30 31.75 19.050 26 660.40 869.95 24 806.45 31.75 20.625 28 711.20 927.10 28 863.60 31.75 22.225 30 762.00 984.25 28 914.40 31.75 22.225 32 812.80 1060.45 28 977.90 38.10 23.825 34 863.60 1111.25 32 1028.70 38.10 23.825 36 914.40 1219.20 32 1085.85 38.10 25.400 38 965.20 1238.25 32 1149.35 38.10 25.400 40 1016.00 1289.05 36 1200.15 38.10 25.400 42 1066.80 1346.20 36 1257.30 38.10 28.575 44 1117.60 1403.35 40 1314.45 38.10 28.575 46 1168.40 1454.15 40 1365.25 38.10 28.575 48 1219.20 1511.30 44 1422.40 38.10 31.750 50 1270.00 1568.45 44 1479.55 44.45 31.750 52 1320.80 1625.60 44 1536.70 44.45 31.750 54 1371.60 1682.75 44 1593.85 44.45 34.925 60 1524.00 1854.20 52 1758.95 44.45 38.100 66 1676.40 2032.00 52 1930.40 44.45 41.275 72 1828.80 2197.10 60 2095.50 44.45 44.450 78 1981.20 2362.20 64 2260.60 50.80 50.800 84 2133.60 2533.65 64 2425.70 50.80 50.800 90 2286.00 2705.10 68 2590.80 57.15 57.150 96 2438.40 2876.55 68 2755.90 57.15 57.150 102 2590.80 3048.00 72 2908.30 63.50 63.500 108 2743.20 3219.45 72 3067.05 63.50 63.500 114 2895.60 3390.90 76 3219.45 69.85 69.850 120 3048.00 3562.35 76 3371.85 69.85 69.850 126 3200.40 3733.80 80 3536.95 76.20 76.200 132 3352.80 3905.25 80 3702.05 76.20 76.200 138 3505.20 4076.70 84 3860.80 82.55 82.550 144 3657.60 4248.15 84 4019.55 82.55 82.550

Flanges,mm Class D T 15.875 15.875 17.475 17.475 17.475 20.625 23.825 25.400 26.975 28.575 30.175 31.750 33.325 33.325 34.925 38.100 38.100 41.275 41.275 41.275 44.450 44.450 44.450 47.625 50.800 50.800 53.975 57.150 63.500 66.675 69.850 73.025 76.200 82.550 82.550 85.725 88.900 88.900 95.250 98.425 101.600 104.775