Hub Flange
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AWWA C207-07 Class D Hub Flanges
SPECIFICATIONS


▪ All dimensions are in inches
▪ The pressure rating at atmospheric temperature is
175 psi for 6” - 12” and 150 psi for 14” - 96”
175 psi for 6” - 12” and 150 psi for 14” - 96”
Nominal Pipe Size |
Outside Diameter |
Thickness | Overall Thickness |
Hub Diameter |
Inside Diameter |
Approximate Weight |
Number of Holes |
Diameter of Bolt Holes |
Diameter of Bolt Circle |
(A) | (T) | (L) | (E) | (B) | (lbs) | (C) | |||
4 | 9.00 | 0.50 | 0.88 | 5.31 | 4.57 | 7 | 8 | 0.750 | 7.50 |
5 | 10.00 | 0.56 | 1.25 | 6.31 | 5.66 | 8 | 8 | 0.875 | 8.50 |
6 | 11.00 | 0.56 | 1.25 | 7.56 | 6.72 | 13 | 8 | 0.875 | 9.50 |
8 | 13.50 | 0.56 | 1.25 | 9.69 | 8.72 | 18 | 8 | 0.875 | 11.75 |
10 | 16.00 | 0.69 | 1.25 | 12.00 | 10.88 | 26 | 12 | 1.000 | 14.25 |
12 | 19.00 | 0.69 | 1.25 | 14.38 | 12.88 | 42 | 12 | 1.000 | 17.00 |
14 | 21.00 | 0.75 | 1.25 | 15.75 | 14.19 | 44 | 12 | 1.125 | 18.75 |
16 | 23.50 | 0.75 | 1.25 | 18.00 | 16.19 | 58 | 16 | 1.125 | 21.25 |
18 | 25.00 | 0.75 | 1.25 | 19.88 | 18.19 | 59 | 16 | 1.250 | 22.75 |
20 | 27.50 | 0.75 | 1.25 | 22.00 | 20.19 | 69 | 20 | 1.250 | 25.00 |
22 | 29.50 | 1.00 | 1.75 | 24.25 | 22.19 | 76 | 20 | 1.375 | 27.25 |
24 | 32.00 | 1.00 | 1.75 | 26.13 | 24.19 | 115 | 20 | 1.375 | 29.50 |
26 | 34.25 | 1.00 | 1.75 | 28.50 | 26.19 | 125 | 24 | 1.375 | 31.75 |
28 | 36.50 | 1.00 | 1.75 | 30.50 | 28.19 | 140 | 28 | 1.375 | 34.00 |
30 | 38.75 | 1.00 | 1.75 | 32.50 | 30.19 | 150 | 28 | 1.375 | 36.00 |
32 | 41.75 | 1.13 | 1.75 | 34.75 | 32.19 | 205 | 28 | 1.625 | 38.50 |
34 | 43.75 | 1.13 | 1.75 | 36.75 | 34.19 | 215 | 32 | 1.625 | 40.50 |
36 | 46.00 | 1.13 | 1.75 | 38.75 | 36.19 | 235 | 32 | 1.625 | 42.75 |
38 | 48.75 | 1.13 | 1.75 | 40.75 | 38.19 | 265 | 32 | 1.625 | 45.25 |
40 | 50.75 | 1.13 | 1.75 | 43.00 | 40.19 | 280 | 36 | 1.625 | 47.25 |
42 | 53.00 | 1.25 | 1.75 | 45.00 | 42.19 | 330 | 36 | 1.625 | 49.50 |
44 | 55.25 | 1.25 | 2.25 | 47.00 | 44.19 | 350 | 40 | 1.625 | 51.75 |
46 | 57.25 | 1.25 | 2.25 | 49.00 | 46.19 | 365 | 40 | 1.625 | 53.75 |
48 | 59.50 | 1.38 | 2.50 | 51.00 | 48.19 | 425 | 44 | 1.625 | 56.00 |
50 | 61.75 | 1.38 | 2.50 | 53.00 | 50.19 | 450 | 44 | 1.875 | 58.25 |
52 | 64.00 | 1.38 | 2.50 | 55.00 | 52.19 | 475 | 44 | 1.875 | 60.50 |
54 | 66.25 | 1.38 | 2.50 | 57.00 | 54.19 | 500 | 44 | 1.875 | 62.75 |
60 | 73.00 | 1.50 | 2.75 | 63.00 | 60.19 | 640 | 52 | 1.875 | 69.25 |
66 | 80.00 | 1.50 | 2.75 | 69.00 | 66.19 | 750 | 52 | 1.875 | 76.00 |
72 | 86.50 | 1.50 | 2.75 | 75.00 | 72.19 | 850 | 60 | 1.875 | 82.50 |
78 | 93.00 | 1.75 | 3.00 | 81.25 | 78.19 | 1200 | 64 | 2.125 | 89.00 |
84 | 99.75 | 1.75 | 3.00 | 87.50 | 84.19 | 1250 | 64 | 2.125 | 95.50 |
90 | 106.50 | 2.00 | 3.25 | 93.75 | 90.19 | 1650 | 68 | 2.438 | 102.00 |
96 | 113.25 | 2.00 | 3.25 | 100.00 | 96.19 | 1750 | 68 | 2.438 | 108.50 |