Ring Flange
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AWWA C207-07 Class F Ring Flanges
SPECIFICATIONS


▪ All dimensions are in inches
▪ Pressure rating at atmospheric temperature is 300 psi
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 | 10.00 | 1.13 | 4.57 | 18 | 8 | 0.875 | 7.88 |
5 | 11.00 | 1.21 | 5.66 | 22 | 8 | 0.875 | 9.25 |
6 | 12.50 | 1.31 | 6.73 | 30 | 12 | 0.875 | 10.62 |
8 | 15.00 | 1.31 | 8.73 | 40 | 12 | 1.000 | 13.00 |
10 | 17.50 | 1.50 | 10.88 | 56 | 16 | 1.125 | 15.25 |
12 | 20.50 | 1.63 | 12.88 | 83 | 16 | 1.250 | 17.75 |
14 | 23.00 | 1.94 | 14.19 | 128 | 20 | 1.250 | 20.25 |
16 | 25.50 | 2.14 | 16.19 | 167 | 20 | 1.375 | 22.50 |
18 | 28.00 | 2.25 | 18.19 | 204 | 24 | 1.375 | 24.75 |
20 | 30.50 | 2.33 | 20.19 | 247 | 24 | 1.375 | 27.00 |
22 | 33.00 | 2.50 | 22.19 | 307 | 24 | 1.375 | 29.25 |
24 | 36.00 | 2.69 | 24.19 | 388 | 24 | 1.625 | 32.00 |
26 | 38.25 | 3.00 | 26.25 | 451 | 28 | 1.875 | 34.50 |
28 | 40.75 | 3.13 | 28.25 | 532 | 28 | 1.875 | 37.00 |
30 | 43.00 | 3.15 | 30.25 | 586 | 28 | 1.875 | 39.25 |
32 | 45.25 | 3.25 | 32.25 | 657 | 28 | 1.875 | 41.50 |
34 | 47.50 | 3.38 | 34.25 | 741 | 28 | 1.875 | 43.50 |
36 | 50.00 | 3.46 | 36.25 | 802 | 32 | 2.125 | 46.00 |
38 | 52.25 | 3.50 | 38.25 | 874 | 32 | 2.125 | 48.00 |
40 | 54.25 | 3.63 | 40.25 | 937 | 36 | 2.125 | 50.25 |
42 | 57.00 | 3.81 | 42.25 | 1103 | 36 | 2.125 | 52.75 |
44 | 59.25 | 4.00 | 44.25 | 1237 | 36 | 2.125 | 55.00 |
46 | 61.50 | 4.13 | 46.25 | 1344 | 40 | 2.125 | 57.25 |
48 | 65.00 | 4.50 | 48.25 | 1718 | 40 | 2.125 | 60.75 |