AWWA C207-07 Ring Type, Class E, Slip-On & Blind Steel Pipe Flanges
275 PSI
Dimensions in Inches
Nom.
size | Outside
Ø
(OD) | Slip-on
Bore
(ID) | No. of
Bolt
Holes | Ø
of
Holes | Ø
Bolt
Circle
(BC) | Thickness
(T) | Weight
(lbs) |
| Slip-on | Blind | Slip-on | Blind |
| 4 | 9.00 | 4.57 | 8 | 0.750 | 7.50 | 1.125 | 1.125 | 13.90 | 19.2 |
| 5 | 10.00 | 5.66 | 8 | 0.875 | 8.50 | 1.188 | 1.188 | 16.30 | 24.8 |
| 6 | 11.00 | 6.72 | 8 | 0.875 | 9.50 | 1.313 | 1.313 | 20.40 | 33.6 |
| 8 | 13.50 | 8.72 | 8 | 0.875 | 11.75 | 1.500 | 1.500 | 33.40 | 60.8 |
| 10 | 16.00 | 10.88 | 12 | 1.000 | 14.25 | 1.563 | 1.563 | 43.70 | 84.9 |
| 12 | 19.00 | 12.88 | 12 | 1.000 | 17.00 | 1.750 | 1.750 | 71.30 | 135.9 |
| 14 | 21.00 | 14.19 | 12 | 1.125 | 18.75 | 1.875 | 1.875 | 93.70 | 177.7 |
| 16 | 23.50 | 16.19 | 16 | 1.125 | 21.25 | 2.000 | 2.000 | 120.10 | 236.8 |
| 18 | 25.00 | 18.19 | 16 | 1.250 | 22.75 | 2.125 | 2.125 | 127.30 | 283.7 |
| 20 | 27.50 | 20.19 | 20 | 1.250 | 25.00 | 2.375 | 2.375 | 167.70 | 383.2 |
| 24 | 32.00 | 24.19 | 20 | 1.375 | 29.50 | 2.625 | 2.625 | 234.30 | 576.1 |
| 26 | 34.25 | * | 24 | 1.375 | 31.75 | 2.750 | 2.750 | * | 690.1 |
| 28 | 36.50 | * | 28 | 1.375 | 34.00 | 2.750 | 2.750 | * | 782.9 |
| 30 | 38.75 | * | 28 | 1.375 | 36.00 | 2.875 | 2.875 | * | 926.8 |
| 36 | 46.00 | * | 32 | 1.625 | 42.75 | 3.125 | 3.209 | * | 1450.7 |
| 38 | 48.75 | * | 32 | 1.625 | 45.25 | 3.125 | 3.394 | * | 1731.1 |
| 40 | 50.75 | * | 36 | 1.625 | 47.25 | 3.250 | 3.533 | * | 1950.2 |
| 42 | 53.00 | * | 36 | 1.625 | 49.50 | 3.375 | 3.695 | * | 2231.5 |
| 44 | 55.25 | * | 40 | 1.625 | 51.75 | 3.375 | 3.857 | * | 2529.4 |
| 48 | 59.50 | * | 44 | 1.625 | 56.00 | 3.500 | 4.159 | * | 3169.0 |
| 54 | 66.25 | * | 44 | 1.875 | 62.75 | 3.750 | 4.651 | * | 4382.5 |
| 60 | 73.00 | * | 52 | 1.875 | 69.25 | 3.875 | 5.116 | * | 5858.7 |
| 66 | 80.00 | * | 52 | 1.875 | 76.00 | 4.250 | 5.601 | * | 7749.0 |
| 72 | 86.50 | * | 60 | 1.875 | 82.50 | 4.375 | 6.066 | * | 9815.3 |
| 78 | 93.00 | * | 64 | 2.125 | 89.00 | 4.750 | | * | |
| 84 | 99.75 | * | 64 | 2.125 | 95.50 | 4.750 | | * | |
| 90 | 106.50 | * | 68 | 2.438 | 102.00 | 5.125 | | * | |
| 96 | 113.25 | * | 68 | 2.438 | 108.50 | 5.125 | | * | |
| 102 | 120.00 | * | 72 | 2.688 | 114.50 | 5.500 | | * | |
| 108 | 126.75 | * | 72 | 2.688 | 120.75 | 5.500 | | * | |
| 120 | 140.25 | * | 76 | 2.938 | 132.75 | 5.875 | | * | |
| 132 | 153.75 | * | 80 | 3.188 | 145.75 | 6.250 | | * | |
| 144 | 167.25 | * | 84 | 3.438 | 158.25 | 6.750 | | * | |
* The purchaser shall specify the ID of the flange for nominal pipe sizes 26 in. and larger. The diameter of the flange bore shall not exceed the pipe OD by more than .25 in.
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