Ring Flange
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AWWA C207-07 Class D Ring Flanges
SPECIFICATIONS


▪ All dimensions are in inches
▪ Pressure rating at atmospheric temperature is 175 psi for
sizes 12” and under and 150 psi for sizes 14” and up
sizes 12” and under and 150 psi for sizes 14” and up
Nominal Pipe Size |
Outside Diameter |
Thickness | Inside Diameter |
Approximate Weight |
Number of Holes |
Diameter of Bolt Holes |
Diameter of Bolt Circle |
(A) | (T) | (B) | (lbs) | (C) | |||
4 | 9.00 | 0.63 | 4.57 | 8 | 8 | 0.750 | 7.50 |
5 | 10.00 | 0.63 | 5.66 | 9 | 8 | 0.875 | 8.50 |
6 | 11.00 | 0.69 | 6.72 | 11 | 8 | 0.875 | 9.50 |
8 | 13.50 | 0.69 | 8.72 | 15 | 8 | 0.875 | 11.75 |
10 | 16.00 | 0.69 | 10.88 | 19 | 12 | 1.000 | 14.25 |
12 | 19.00 | 0.81 | 12.88 | 33 | 12 | 1.000 | 17.00 |
14 | 21.00 | 0.94 | 14.19 | 47 | 12 | 1.125 | 18.75 |
16 | 23.50 | 1.00 | 16.19 | 60 | 16 | 1.125 | 21.25 |
18 | 25.00 | 1.06 | 18.19 | 68 | 16 | 1.250 | 22.75 |
20 | 27.50 | 1.13 | 20.19 | 79 | 20 | 1.250 | 25.00 |
22 | 29.50 | 1.19 | 22.19 | 90 | 20 | 1.375 | 27.25 |
24 | 32.00 | 1.25 | 24.19 | 112 | 20 | 1.375 | 29.50 |
26 | 34.25 | 1.31 | 26.19 | 129 | 24 | 1.375 | 31.75 |
28 | 36.50 | 1.31 | 28.19 | 141 | 28 | 1.375 | 34.00 |
30 | 38.75 | 1.38 | 30.19 | 172 | 28 | 1.375 | 36.00 |
32 | 41.75 | 1.50 | 32.19 | 211 | 28 | 1.625 | 38.50 |
34 | 43.75 | 1.50 | 34.19 | 220 | 32 | 1.625 | 40.50 |
36 | 46.00 | 1.63 | 36.19 | 261 | 32 | 1.625 | 42.75 |
38 | 48.75 | 1.63 | 38.19 | 301 | 32 | 1.625 | 45.25 |
40 | 50.75 | 1.63 | 40.19 | 313 | 36 | 1.625 | 47.25 |
42 | 53.00 | 1.75 | 42.19 | 364 | 36 | 1.625 | 49.50 |
44 | 55.25 | 1.75 | 44.19 | 387 | 40 | 1.625 | 51.75 |
46 | 57.25 | 1.75 | 46.19 | 404 | 40 | 1.625 | 53.75 |
48 | 59.50 | 1.88 | 48.19 | 460 | 44 | 1.625 | 56.00 |
50 | 61.75 | 2.00 | 50.19 | 507 | 44 | 1.875 | 58.25 |
52 | 64.00 | 2.00 | 52.19 | 542 | 44 | 1.875 | 60.50 |
54 | 66.25 | 2.13 | 54.19 | 614 | 44 | 1.875 | 62.75 |
60 | 73.00 | 2.25 | 60.19 | 763 | 52 | 1.875 | 69.25 |
66 | 80.00 | 2.50 | 66.19 | 1021 | 52 | 1.875 | 76.00 |
72 | 86.50 | 2.63 | 72.19 | 1203 | 60 | 1.875 | 82.50 |
78 | 93.00 | 2.75 | 78.19 | 1374 | 64 | 2.125 | 89.00 |
84 | 99.75 | 2.88 | 84.19 | 1646 | 64 | 2.125 | 95.50 |
90 | 106.50 | 3.00 | 90.19 | 1872 | 68 | 2.438 | 102.00 |
96 | 113.25 | 3.25 | 96.19 | 2292 | 68 | 2.438 | 108.50 |
102 | 120.00 | 3.25 | 102.19 | 2486 | 72 | 2.688 | 114.50 |
108 | 126.75 | 3.38 | 108.19 | 2884 | 72 | 2.688 | 120.75 |
114 | 133.50 | 3.50 | 114.19 | 3214 | 76 | 2.938 | 126.75 |
120 | 140.25 | 3.50 | 120.19 | 3558 | 76 | 2.938 | 132.75 |
126 | 147.00 | 3.75 | 126.19 | 4065 | 80 | 3.188 | 139.25 |
132 | 153.75 | 3.88 | 132.19 | 4614 | 80 | 3.188 | 145.75 |
138 | 160.50 | 4.00 | 138.19 | 5047 | 84 | 3.438 | 152.00 |
144 | 167.25 | 4.13 | 144.19 | 5681 | 84 | 3.438 | 158.25 |