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C207 Class D Ring Flange Dimensions

AWWA C207 Class D Ring Flange Dimensions

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Nom Size Thickness Drilling Weight
OD Slip-On Blind Bore Bolt Circle Hole Dia No Holes Slip-on Blind
A T T B C
4 9.00 0.625 0.625 4.57 7.50 0.750 8 8 11
5 10.00 0.625 0.650 5.66 8.50 0.875 8 9 14
6 11.00 0.688 0.693 6.72 9.50 0.875 8 11 19
8 13.50 0.688 0.812 8.72 11.75 0.875 8 15 33
10 16.00 0.688 0.953 10.88 14.25 1.000 12 19 54
12 19.00 0.812 1.117 12.88 17.00 1.000 12 33 90
14 21.00 0.938 1.133 14.19 18.75 1.125 12 47 111
16 23.50 1.000 1.265 16.19 21.25 1.125 16 60 155
18 25.00 1.062 1.331 18.19 22.75 1.250 16 64 185
20 27.50 1.125 1.448 20.19 25.00 1.250 20 79 244
22 29.50 1.188 1.568 22.19 27.25 1.375 20 90 304
24 32.00 1.250 1.661 24.19 29.50 1.375 20 112 378
26 34.25 1.312 1.786 26.19 31.75 1.375 24 129 466
28 36.50 1.312 1.906 28.19 34.00 1.375 28 141 565
30 38.75 1.375 2.008 30.19 36.00 1.375 28 164 671
32 41.75 1.500 2.150 32.19 38.50 1.625 28 211 834
34 43.75 1.500 2.252 34.19 40.50 1.625 32 220 959
36 46.00 1.625 2.370 36.19 42.75 1.625 32 261 1116
38 48.75 1.625 2.506 38.19 45.25 1.625 32 301 1325
40 50.75 1.625 2.609 40.19 47.25 1.625 36 313 1438
42 53.00 1.750 2.729 42.19 49.50 1.625 36 364 1706
44 55.25 1.750 2.849 44.19 51.75 1.625 40 387 1935
46 57.25 1.750 2.952 46.19 53.75 1.625 40 404 2153
48 59.50 1.875 3.072 48.19 56.00 1.625 44 460 2420
50 61.75 2.000 3.196 50.19 58.25 1.875 44 507 2712
52 64.00 2.000 3.315 52.19 60.50 1.875 44 542 3021
54 66.25 2.125 3.435 54.19 62.75 1.875 44 614 3355
60 73.00 2.250 3.779 60.19 69.25 1.875 52 763 4481
66 80.00 2.500 4.136 66.19 76.00 1.875 52 1021 5890
72 86.50 2.625 4.480 72.19 82.50 1.875 60 1203 7458
78 93.00 2.750 78.19 89.00 2.125 64 1374
84 99.75 2.875 84.19 95.50 2.125 64 1646
90 106.50 3.000 90.19 102.00 2.438 68 1872
96 113.25 3.250 96.19 108.50 2.438 68 2291
102 120.00 3.250 102.19 114.50 2.688 72 2485 …….
108 126.75 3.375 108.19 120.75 2.688 72 2884
114 133.50 3.500 114.19 126.75 2.938 76 3214
120 140.25 3.500 120.19 132.75 2.938 76 3558
126 147.00 3.750 126.19 139.25 3.188 80 4065
132 153.75 3.875 132.19 145.75 3.188 80 4614 …….
138 160.50 4.000 138.19 152.00 3.438 84 5047
144 167.25 4.125 144.19 158.25 3.438 84 5680

AWWA C207 Class D Ring Flange Dimensions in MM Industries and Applications
Widely used in the industries

  • Pumps, Valves, and vessels in manufacturing and food processing.
  • Pipe connections in industrial waterworks.
  • Heat exchangers and heating systems of all sizes.
  • Mining support.
  • Nuclear power systems.
  • Plumbing and mechanical systems.
  • Assemblies in the oil, gas, and petrochemical industries.
  • Fire protection systems.

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