AWWA Flanges Dimensions
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| Nom Size |
|
Thickness |
|
Drilling |
Weight |
| OD |
Slip-On |
Blind |
Bore |
Bolt Circle |
Hole Dia |
No. Holes |
Slip-on |
Blind |
| A |
T |
T |
B |
C |
|
|
|
|
| 4 |
10.00 |
1.130 |
1.130 |
4.57 |
7.88 |
0.875 |
8 |
18 |
25 |
| 6 |
12.50 |
1.310 |
1.310 |
6.73 |
10.62 |
0.875 |
12 |
30 |
46 |
| 5 |
11.00 |
1.210 |
1.210 |
5.66 |
9.25 |
0.875 |
8 |
22 |
33 |
| 8 |
15.00 |
1.310 |
1.310 |
8.73 |
13.00 |
1.000 |
12 |
40 |
66 |
| 12 |
20.50 |
1.630 |
1.630 |
12.88 |
17.75 |
1.250 |
16 |
83 |
152 |
| 10 |
17.50 |
1.500 |
1.500 |
10.88 |
15.25 |
1.125 |
16 |
56 |
102 |
| 14 |
23.00 |
1.940 |
1.940 |
14.19 |
20.25 |
1.250 |
20 |
128 |
228 |
| 18 |
28.00 |
2.250 |
2.250 |
18.19 |
24.75 |
1.375 |
24 |
204 |
392 |
| 16 |
25.50 |
2.140 |
2.140 |
16.19 |
22.50 |
1.375 |
20 |
167 |
310 |
| 20 |
30.50 |
2.330 |
2.330 |
20.19 |
27.00 |
1.375 |
24 |
247 |
482 |
| 24 |
36.00 |
2.690 |
2.690 |
24.19 |
32.00 |
1.625 |
24 |
388 |
776 |
| 22 |
33.00 |
2.500 |
2.500 |
22.19 |
29.25 |
1.375 |
24 |
307 |
606 |
| 26 |
38.25 |
3.000 |
3.000 |
26.19 |
34.50 |
1.875 |
28 |
451 |
977 |
| 30 |
43.00 |
3.150 |
3.166 |
30.19 |
39.25 |
1.875 |
28 |
586 |
1303 |
| 28 |
40.75 |
3.130 |
3.130 |
28.19 |
37.00 |
1.875 |
28 |
532 |
1156 |
| 32 |
45.25 |
3.250 |
3.332 |
32.19 |
41.50 |
1.875 |
28 |
657 |
1518 |
| 36 |
50.00 |
3.460 |
3.671 |
36.19 |
46.00 |
2.125 |
32 |
802 |
2042 |
| 34 |
47.50 |
3.380 |
3.475 |
34.19 |
43.50 |
1.875 |
28 |
741 |
1745 |
| 38 |
52.25 |
3.500 |
3.815 |
38.19 |
48.00 |
2.125 |
32 |
874 |
2317 |
| 42 |
57.00 |
3.810 |
4.171 |
42.19 |
52.75 |
2.125 |
36 |
1103 |
3015 |
| 40 |
54.25 |
3.630 |
3.982 |
40.19 |
50.25 |
2.125 |
36 |
937 |
2608 |
| 44 |
59.25 |
4.000 |
4.338 |
44.19 |
55.00 |
2.125 |
36 |
1237 |
3388 |
| 48 |
65.00 |
4.500 |
4.781 |
48.19 |
60.75 |
2.125 |
40 |
1718 |
4494 |
| 46 |
61.50 |
4.130 |
4.505 |
46.19 |
57.25 |
2.125 |
40 |
1344 |
3791 |
AWWA Flange Industries and Applications
Widely used in the industries
- Pumps, Valves, and vessels in manufacturing and food processing.
- Pipe connections in industrial waterworks.
- Heat exchangers and heating systems of all sizes.
- Mining support.
- Nuclear power systems.
- Plumbing and mechanical systems.
- Assemblies in the oil, gas, and petrochemical industries.
- Fire protection systems.
AWWA Flange Supply and Export Network
List of Cities and Countries
