AWWA C207-13 Class D Ring and Blind Flanges Add Flanges

AWWA C207 D Ring
Nominal Size Outside Diameter
(OD)
Slip-on Bore
(ID)
No. of Bolt Holes Diameter of Holes Bolt Circle
(BC)
Thickness - Slip-on
(T)
Thickness - Blind
(T)
Weight Each - Slip-on
(lbs)
Weight Each - Blind
(lbs)
4* 9.00 4.57 8 0.750 7.50 0.625 0.625 7.7 10.6
5* 10.00 5.66 8 0.875 8.50 0.625 0.650 8.6 13.6
6* 11.00 6.72 8 0.875 9.50 0.688 0.693 10.7 17.7
8* 13.50 8.72 8 0.875 11.75 0.688 0.812 15.3 31.8
10* 16.00 10.88 12 1.000 14.25 0.688 0.953 19.2 51.7
12* 19.00 12.88 12 1.000 17.00 0.812 1.117 33.1 86.7
14 21.00 14.19 12 1.125 18.75 0.938 1.133 46.8 107.4
16 23.50 16.19 16 1.125 21.25 1.000 1.265 60.1 149.8
18 25.00 18.19 16 1.250 22.75 1.062 1.331 63.7 177.7
20 27.50 20.19 20 1.250 25.00 1.125 1.448 79.5 233.6
22 29.50 22.19 20 1.375 27.25 1.188 1.568 89.9 290.5
24 32.00 24.19 20 1.375 29.50 1.250 1.661 111.6 364.5
26 34.25 26.19 24 1.375 31.75 1.312 1.786 128.1 448.2
28 36.50 28.19 28 1.375 34.00 1.312 1.906 140.6 542.6
30 38.75 30.19 28 1.375 36.00 1.375 2.008 163.3 647.3
32 41.75 32.19 28 1.625 38.50 1.500 2.150 210.0 798.6
34 43.75 34.19 32 1.625 40.50 1.500 2.252 219.1 916.9
36 46.00 36.19 32 1.625 42.75 1.625 2.370 259.4 1071.4
38 48.75 38.19 32 1.625 45.25 1.625 2.506 299.8 1278.2
40 50.75 40.19 36 1.625 47.25 1.625 2.609 311.1 1440.1
42 53.00 42.19 36 1.625 49.50 1.750 2.729 361.7 1648.1
44 55.25 44.19 40 1.625 51.75 1.750 2.849 385.1 1868.2
46 57.25 46.19 40 1.625 53.75 1.750 2.952 402.2 2083.7
48 59.50 48.19 44 1.625 56.00 1.875 3.072 457.3 2340.7
50 61.75 50.19 44 1.875 58.25 2.000 3.196 504.4 2601.9
52 64.00 52.19 44 1.875 60.50 2.000 3.315 539.1 2907.5
54 66.25 54.19 44 1.875 62.75 2.125 3.435 610.6 3236.7
60 73.00 60.19 52 1.875 69.25 2.250 3.779 759.1 4327.6
66 80.00 66.19 52 1.875 76.00 2.500 4.136 1017.0 5722.2
72 86.50 72.19 60 1.875 82.50 2.625 4.480 1198.2 7249.0
78 93.00 78.19 64 2.125 89.00 2.750 NA 1368.9 -
84 99.75 84.19 64 2.125 95.50 2.875 NA 1639.7 -
90 106.50 90.19 68 2.375 102.00 3.000 NA 1878.2 -
96 113.25 96.19 68 2.440 108.50 3.250 NA 2298.4 -
102 120.00 102.19 72 2.625 114.50 3.250 NA 2494.3 -
108 126.75 108.19 72 2.625 120.75 3.375 NA 2892.5 -
114 133.50 114.19 76 2.875 126.75 3.500 NA 3225.2 -
120 140.25 120.19 76 2.875 132.75 3.500 NA 3568.6 -
126 147.00 126.19 80 3.125 139.25 3.750 NA 4079.5 -
132 153.75 132.19 80 3.125 145.75 3.875 NA 4628.6 -
144 167.25 144.19 84 3.375 158.25 4.125 NA 5698.3 -

Notes

Dimensions are in inches
4"-12" - 175 PSI pressure rating for water service
Larger sizes 150 PSI pressure rating for water service