NPS | DN | OD, A | ID, B | Number of Bolts | Diam.of Bolt Circle, C | Diam.of Bolt | Thickness of Flange, T | Thickness of Blind, T |
4 | 100 | 228.6 | 116.078 | 8 | 190.5 | 15.88 | 15.88 | 15.88 |
5 | 125 | 254 | 143.764 | 8 | 215.9 | 19.05 | 15.88 | 16.51 |
6 | 150 | 279.4 | 170.688 | 8 | 241.3 | 19.05 | 17.48 | 17.59 |
8 | 200 | 342.9 | 221.488 | 8 | 298.45 | 19.05 | 17.48 | 20.62 |
10 | 250 | 406.4 | 276.352 | 12 | 361.95 | 22.23 | 17.48 | 24.21 |
12 | 300 | 482.6 | 327.152 | 12 | 431.8 | 22.23 | 20.62 | 28.37 |
14 | 350 | 533.4 | 360.426 | 12 | 476.25 | 25.4 | 23.83 | 28.78 |
16 | 400 | 596.9 | 411.226 | 16 | 539.75 | 25.4 | 25.4 | 32.13 |
18 | 450 | 635 | 462.026 | 16 | 577.85 | 28.58 | 26.97 | 33.81 |
20 | 500 | 698.5 | 512.826 | 20 | 635 | 28.58 | 28.58 | 36.77 |
22 | 550 | 749.3 | 563.626 | 20 | 692.15 | 31.75 | 30.18 | 39.83 |
24 | 600 | 812.8 | 614.426 | 20 | 749.3 | 31.75 | 31.75 | 42.18 |
26 | 650 | 869.95 |
| 24 | 806.45 | 31.75 | 33.32 | 45.37 |
28 | 700 | 927.1 |
| 28 | 863.6 | 31.75 | 33.32 | 48.4 |
30 | 750 | 984.25 |
| 28 | 914.4 | 31.75 | 34.93 | 51 |
32 | 800 | 1060.45 |
| 28 | 977.9 | 38.1 | 38.1 | 54.6 |
34 | 850 | 1111.25 |
| 32 | 1028.7 | 38.1 | 38.1 | 57.21 |
36 | 900 | 1168.4 |
| 32 | 1085.85 | 38.1 | 41.28 | 60.2 |
38 | 950 | 1238.25 |
| 32 | 1149.35 | 38.1 | 41.28 | 63.66 |
40 | 1000 | 1289.05 |
| 36 | 1200.15 | 38.1 | 41.28 | 66.28 |
42 | 1050 | 1346.2 |
| 36 | 1257.3 | 38.1 | 44.45 | 69.32 |
44 | 1100 | 1403.35 |
| 40 | 1314.45 | 38.1 | 44.45 | 72.36 |
46 | 1150 | 1454.15 |
| 40 | 1365.25 | 38.1 | 44.45 | 74.99 |
48 | 1200 | 1511.3 |
| 44 | 1422.4 | 38.1 | 47.63 | 78.03 |
50 | 1250 | 1568.45 |
| 44 | 1479.55 | 44.45 | 50.8 | 81.18 |
52 | 1300 | 1625.6 |
| 44 | 1536.7 | 44.45 | 50.8 | 84.21 |
54 | 1350 | 1682.75 |
| 44 | 1593.85 | 44.45 | 53.98 | 87.25 |
60 | 1500 | 1854.2 |
| 52 | 1758.95 | 44.45 | 57.15 | 95.97 |
66 | 1650 | 2032 |
| 52 | 1930.4 | 44.45 | 63.5 | 105.6 |
72 | 1800 | 2197.1 |
| 60 | 2095.5 | 44.45 | 66.68 | 113.8 |
78 | 1950 | 2362.2 |
| 64 | 2260.6 | 50.8 | 69.85 |
|
84 | 2100 | 2533.65 |
| 64 | 2425.7 | 50.8 | 73.03 |
|
90 | 2250 | 2705.1 |
| 68 | 2590.8 | 57.15 | 76.2 |
|
96 | 2400 | 2876.55 |
| 68 | 2755.9 | 57.15 | 82.55 |
|
102 | 2550 | 3048 |
| 72 | 2908.3 | 63.5 | 82.55 |
|
108 | 2700 | 3219.45 |
| 72 | 3067.05 | 63.5 | 85.73 |
|
114 | 2850 | 3390.9 |
| 76 | 3219.45 | 69.85 | 88.9 |
|
120 | 3000 | 3562.35 |
| 76 | 3371.85 | 69.85 | 88.9 |
|
126 | 3150 | 3733.8 |
| 80 | 3536.95 | 76.2 | 95.25 |
|
132 | 3300 | 3905.25 |
| 80 | 3702.05 | 76.2 | 98.43 |
|
144 | 3600 | 4248.15 |
| 84 | 4019.55 | 82.55 | 104.78 |
|
AWWA steel-ring flanges, class D AWWA C207
Check the drawing and price list for the below standard from Eathu backing flange page.
AWWA-C207-HUB-FLANGE-AWWAC207-RING-FACTORY
AWWA C207-07 Flange Manufacturer
AWWA C207-07 Standard Steel Ring Flanges Class B
AWWA C207-07 Standard Steel Ring Flanges Class D
AWWA C207-07 Standard Steel Ring Flanges Class E
AWWA C207-07 Standard Steel Ring Flanges Class F
AWWA Standard Steel Hub Flanges
AWWA C207-07 Standard Steel Hub Flanges Class D
AWWA C207-07 Standard Steel Hub Flanges Class E
AWWA C207-94 Flange Manufacturer
AWWA C207-94 Standard Steel Ring Flanges Class B
AWWA C207-94 Standard Steel Ring Flanges Class D
AWWA C207-94 Standard Steel Ring Flanges Class E
AWWA C207-94 Standard Steel Ring Flanges Class F
AWWA Standard Steel Hub Flanges
AWWA C207-94 Standard Steel Hub Flanges Class D
AWWA C207-94 Standard Steel Hub Flanges Class E
Check EATHU AWWA C207 FLANGE