Table of Contents
AWWA (American Water Works Association) flanges are the polar opposite of API flanges, designed for lower pressure applications (300 psi or less) and can be found in a range of assemblies where the temperature is ambient and the media is non-corrosive. The majority of the time, this is used to convey well water and wastewater, but it can also be used for slurry and plant piping with low pressure needs. Viha Steel & Forging is the leading AWWA Flanges Manufacturer in India. We offer immediate delivery programs for standard sizes of Stainless steel AWWA Flanges and Carbon steel AWWA Flanges. AWWA Flanges are available with RTJ faces, raised, or flat, and are also available in Slip-on configurations.
The AWWA Class D Flange is widely used in waterworks, slurry, waste water, plant piping, and other light duty applications. The pressure required for the AWWA C207 Class B is typically less than 300 psi. Pressure ratings for AWWA C207 Flange Material range from 86 psi for Class B flanges to 300 psi for Class F flanges.
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 | 9.00 | 0.625 | 0.625 | 4.57 | 7.50 | 0.750 | 8 | 8 | 11 |
5 | 10.00 | 0.625 | 0.625 | 5.66 | 8.50 | 0.875 | 8 | 9 | 14 |
6 | 11.00 | 0.688 | 0.688 | 6.72 | 9.50 | 0.875 | 8 | 11 | 19 |
8 | 13.50 | 0.688 | 0.688 | 8.72 | 11.75 | 0.875 | 8 | 15 | 28 |
10 | 16.00 | 0.688 | 0.688 | 10.88 | 14.25 | 1.000 | 12 | 19 | 39 |
12 | 19.00 | 0.688 | 0.719 | 12.88 | 17.00 | 1.000 | 12 | 28 | 58 |
14 | 21.00 | 0.688 | 0.791 | 14.19 | 18.75 | 1.125 | 12 | 34 | 78 |
16 | 23.50 | 0.688 | 0.892 | 16.19 | 21.25 | 1.125 | 16 | 41 | 110 |
18 | 25.00 | 0.688 | 0.950 | 18.19 | 22.75 | 1.250 | 16 | 41 | 132 |
20 | 27.50 | 0.688 | 1.040 | 20.19 | 25.00 | 1.250 | 20 | 49 | 175 |
22 | 29.50 | 0.750 | 1.132 | 22.19 | 27.25 | 1.375 | 20 | 57 | 219 |
24 | 32.00 | 0.750 | 1.216 | 24.19 | 29.50 | 1.375 | 20 | 67 | 277 |
26 | 34.25 | 0.812 | 1.307 | 26.19 | 31.75 | 1.375 | 24 | 80 | 341 |
28 | 36.50 | 0.875 | 1.398 | 28.19 | 34.00 | 1.375 | 28 | 94 | 414 |
30 | 38.75 | 0.875 | 1.477 | 30.19 | 36.00 | 1.375 | 28 | 105 | 493 |
32 | 41.75 | 0.936 | 1.581 | 32.19 | 38.50 | 1.625 | 28 | 132 | 613 |
34 | 43.75 | 0.938 | 1.661 | 34.19 | 40.50 | 1.625 | 32 | 137 | 707 |
36 | 46.00 | 1.000 | 1.751 | 36.19 | 42.75 | 1.625 | 32 | 161 | 824 |
38 | 48.75 | 1.000 | 1.853 | 38.19 | 45.25 | 1.625 | 32 | 185 | 980 |
40 | 50.75 | 1.000 | 1.933 | 40.19 | 47.25 | 1.625 | 36 | 193 | 1108 |
42 | 53.00 | 1.125 | 2.023 | 42.19 | 49.50 | 1.625 | 36 | 234 | 1264 |
44 | 55.25 | 1.125 | 2.114 | 44.19 | 51.75 | 1.625 | 40 | 249 | 1436 |
46 | 57.25 | 1.125 | 2.194 | 46.19 | 53.75 | 1.625 | 40 | 260 | 1600 |
48 | 59.50 | 1.250 | 2.285 | 48.19 | 56.00 | 1.625 | 44 | 306 | 1800 |
50 | 61.75 | 1.250 | 2.377 | 50.19 | 58.25 | 1.875 | 44 | 317 | 2017 |
52 | 64.00 | 1.250 | 2.468 | 52.19 | 60.50 | 1.875 | 44 | 339 | 2249 |
54 | 66.25 | 1.375 | 2.559 | 54.19 | 62.75 | 1.875 | 44 | 397 | 2499 |
60 | 73.00 | 1.500 | 2.820 | 60.19 | 69.25 | 1.875 | 52 | 508 | 3344 |
66 | 80.00 | 1.625 | 3.092 | 66.19 | 76.00 | 1.875 | 52 | 664 | 4403 |
72 | 86.50 | 1.750 | 3.353 | 72.19 | 82.50 | 1.875 | 60 | 802 | 5582 |
78 | 93.00 | 2.000 | 78.19 | 89.00 | 2.125 | 64 | 1000 | ||
84 | 99.75 | 2.000 | 84.19 | 95.50 | 2.125 | 64 | 1145 | ||
90 | 106.50 | 2.250 | 90.19 | 102.00 | 2.438 | 68 | 1404 | ||
96 | 113.25 | 2.250 | 96.19 | 108.50 | 2.438 | 68 | 1586 | ||
102 | 120.00 | 2.500 | 102.19 | 114.50 | 2.688 | 72 | 1912 | ||
108 | 126.75 | 2.500 | 108.19 | 120.75 | 2.688 | 72 | 2136 | ||
114 | 133.50 | 2.750 | 114.19 | 126.75 | 2.938 | 76 | 2525 | ||
120 | 140.25 | 2.750 | 120.19 | 132.75 | 2.938 | 76 | 2795 | ||
126 | 147.00 | 3.000 | 126.19 | 139.25 | 3.188 | 80 | 3252 | ||
132 | 153.75 | 3.000 | 132.19 | 145.75 | 3.188 | 80 | 3572 | ||
138 | 160.50 | 3.250 | 138.19 | 152.00 | 3.438 | 84 | 4101 | ||
144 | 167.25 | 3.250 | 144.19 | 158.25 | 3.438 | 84 | 4475 |
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 | 9.00 | 0.625 | 0.625 | 4.57 | 7.50 | 0.750 | 8 | 8 | 11 |
5 | 10.00 | 0.625 | 0.650 | 5.66 | 8.50 | 0.875 | 8 | 9 | 14 |
6 | 11.00 | 0.688 | 0.693 | 6.72 | 9.50 | 0.875 | 8 | 11 | 19 |
8 | 13.50 | 0.688 | 0.812 | 8.72 | 11.75 | 0.875 | 8 | 15 | 33 |
10 | 16.00 | 0.688 | 0.953 | 10.88 | 14.25 | 1.000 | 12 | 19 | 54 |
12 | 19.00 | 0.812 | 1.117 | 12.88 | 17.00 | 1.000 | 12 | 33 | 90 |
14 | 21.00 | 0.938 | 1.133 | 14.19 | 18.75 | 1.125 | 12 | 47 | 111 |
16 | 23.50 | 1.000 | 1.265 | 16.19 | 21.25 | 1.125 | 16 | 60 | 155 |
18 | 25.00 | 1.062 | 1.331 | 18.19 | 22.75 | 1.250 | 16 | 64 | 185 |
20 | 27.50 | 1.125 | 1.448 | 20.19 | 25.00 | 1.250 | 20 | 79 | 244 |
22 | 29.50 | 1.188 | 1.568 | 22.19 | 27.25 | 1.375 | 20 | 90 | 304 |
24 | 32.00 | 1.250 | 1.661 | 24.19 | 29.50 | 1.375 | 20 | 112 | 378 |
26 | 34.25 | 1.312 | 1.786 | 26.19 | 31.75 | 1.375 | 24 | 129 | 466 |
28 | 36.50 | 1.312 | 1.906 | 28.19 | 34.00 | 1.375 | 28 | 141 | 565 |
30 | 38.75 | 1.375 | 2.008 | 30.19 | 36.00 | 1.375 | 28 | 164 | 671 |
32 | 41.75 | 1.500 | 2.150 | 32.19 | 38.50 | 1.625 | 28 | 211 | 834 |
34 | 43.75 | 1.500 | 2.252 | 34.19 | 40.50 | 1.625 | 32 | 220 | 959 |
36 | 46.00 | 1.625 | 2.370 | 36.19 | 42.75 | 1.625 | 32 | 261 | 1116 |
38 | 48.75 | 1.625 | 2.506 | 38.19 | 45.25 | 1.625 | 32 | 301 | 1325 |
40 | 50.75 | 1.625 | 2.609 | 40.19 | 47.25 | 1.625 | 36 | 313 | 1438 |
42 | 53.00 | 1.750 | 2.729 | 42.19 | 49.50 | 1.625 | 36 | 364 | 1706 |
44 | 55.25 | 1.750 | 2.849 | 44.19 | 51.75 | 1.625 | 40 | 387 | 1935 |
46 | 57.25 | 1.750 | 2.952 | 46.19 | 53.75 | 1.625 | 40 | 404 | 2153 |
48 | 59.50 | 1.875 | 3.072 | 48.19 | 56.00 | 1.625 | 44 | 460 | 2420 |
50 | 61.75 | 2.000 | 3.196 | 50.19 | 58.25 | 1.875 | 44 | 507 | 2712 |
52 | 64.00 | 2.000 | 3.315 | 52.19 | 60.50 | 1.875 | 44 | 542 | 3021 |
54 | 66.25 | 2.125 | 3.435 | 54.19 | 62.75 | 1.875 | 44 | 614 | 3355 |
60 | 73.00 | 2.250 | 3.779 | 60.19 | 69.25 | 1.875 | 52 | 763 | 4481 |
66 | 80.00 | 2.500 | 4.136 | 66.19 | 76.00 | 1.875 | 52 | 1021 | 5890 |
72 | 86.50 | 2.625 | 4.480 | 72.19 | 82.50 | 1.875 | 60 | 1203 | 7458 |
78 | 93.00 | 2.750 | 78.19 | 89.00 | 2.125 | 64 | 1374 | ||
84 | 99.75 | 2.875 | 84.19 | 95.50 | 2.125 | 64 | 1646 | ||
90 | 106.50 | 3.000 | 90.19 | 102.00 | 2.438 | 68 | 1872 | ||
96 | 113.25 | 3.250 | 96.19 | 108.50 | 2.438 | 68 | 2291 | ||
102 | 120.00 | 3.250 | 102.19 | 114.50 | 2.688 | 72 | 2485 | ||
108 | 126.75 | 3.375 | 108.19 | 120.75 | 2.688 | 72 | 2884 | ||
114 | 133.50 | 3.500 | 114.19 | 126.75 | 2.938 | 76 | 3214 | ||
120 | 140.25 | 3.500 | 120.19 | 132.75 | 2.938 | 76 | 3558 | ||
126 | 147.00 | 3.750 | 126.19 | 139.25 | 3.188 | 80 | 4065 | ||
132 | 153.75 | 3.875 | 132.19 | 145.75 | 3.188 | 80 | 4614 | ||
138 | 160.50 | 4.000 | 138.19 | 152.00 | 3.438 | 84 | 5047 | ||
144 | 167.25 | 4.125 | 144.19 | 158.25 | 3.438 | 84 | 5680 |
Nom Size | Drilling | ||||||||
OD | Thickness | Overall Thickness | Dia at Base | Bore | Bolt Circle | Hole Dia | No. Holes | Weight | |
A | T |
L |
E | B | C | ||||
4 | 9.00 | 0.500 | 0.875 | 5.312 | 4.57 | 7.50 | 0.750 | 8 | 7 |
5 | 10.00 | 0.562 | 1.250 | 6.312 | 5.66 | 8.50 | 0.875 | 8 | 9 |
6 | 11.00 | 0.562 | 1.250 | 7.562 | 6.72 | 9.50 | 0.875 | 8 | 11 |
8 | 13.50 | 0.562 | 1.250 | 9.688 | 8.72 | 11.75 | 0.875 | 8 | 15 |
10 | 16.00 | 0.688 | 1.250 | 12.000 | 10.88 | 14.25 | 1.000 | 12 | 22 |
12 | 19.00 | 0.688 | 1.250 | 14.375 | 12.88 | 17.00 | 1.000 | 12 | 33 |
14 | 21.00 | 0.750 | 1.250 | 15.750 | 14.19 | 18.75 | 1.125 | 12 | 43 |
16 | 23.50 | 0.750 | 1.250 | 18.000 | 16.19 | 21.25 | 1.125 | 16 | 52 |
18 | 25.00 | 0.750 | 1.250 | 19.875 | 18.19 | 22.75 | 1.250 | 16 | 52 |
20 | 27.50 | 0.750 | 1.250 | 22.000 | 20.19 | 25.00 | 1.250 | 20 | 61 |
22 | 29.50 | 1.000 | 1.750 | 24.250 | 22.19 | 27.25 | 1.375 | 20 | 92 |
24 | 32.00 | 1.000 | 1.750 | 26.125 | 24.19 | 29.50 | 1.375 | 20 | 105 |
26 | 34.25 | 1.000 | 1.750 | 28.500 | 26.19 | 31.75 | 1.375 | 24 | 119 |
28 | 36.50 | 1.000 | 1.750 | 30.500 | 28.19 | 34.00 | 1.375 | 28 | 130 |
30 | 38.75 | 1.000 | 1.750 | 32.500 | 30.19 | 36.00 | 1.375 | 28 | 144 |
32 | 41.75 | 1.125 | 1.750 | 34.750 | 32.19 | 38.50 | 1.625 | 28 | 182 |
34 | 43.75 | 1.125 | 1.750 | 36.750 | 34.19 | 40.50 | 1.625 | 32 | 191 |
36 | 46.00 | 1.125 | 1.750 | 38.750 | 36.19 | 42.75 | 1.625 | 32 | 207 |
38 | 48.75 | 1.125 | 1.750 | 40.750 | 38.19 | 45.25 | 1.625 | 32 | 237 |
40 | 50.75 | 1.125 | 1.750 | 43.000 | 40.19 | 47.25 | 1.625 | 36 | 249 |
42 | 53.00 | 1.250 | 1.750 | 45.000 | 42.19 | 49.50 | 1.625 | 36 | 287 |
44 | 55.25 | 1.250 | 2.250 | 47.000 | 44.19 | 51.75 | 1.625 | 40 | 334 |
46 | 57.25 | 1.250 | 2.250 | 49.000 | 46.19 | 53.75 | 1.625 | 40 | 348 |
48 | 59.50 | 1.375 | 2.500 | 51.000 | 48.19 | 56.00 | 1.625 | 44 | 407 |
50 | 61.75 | 1.375 | 2.500 | 53.000 | 50.19 | 58.25 | 1.875 | 44 | 421 |
52 | 64.00 | 1.375 | 2.500 | 55.000 | 52.19 | 60.50 | 1.875 | 44 | 448 |
54 | 66.25 | 1.375 | 2.500 | 57.000 | 54.19 | 62.75 | 1.875 | 44 | 475 |
60 | 73.00 | 1.500 | 2.750 | 63.000 | 60.19 | 69.25 | 1.875 | 52 | 605 |
66 | 80.00 | 1.500 | 2.750 | 69.000 | 66.19 | 76.00 | 1.875 | 52 | 718 |
72 | 86.50 | 1.500 | 2.750 | 75.000 | 72.19 | 82.50 | 1.875 | 60 | 803 |
78 | 93.00 | 1.750 | 3.000 | 81.250 | 78.19 | 89.00 | 2.125 | 64 | 1010 |
84 | 99.75 | 1.750 | 3.000 | 87.500 | 84.19 | 95.50 | 2.125 | 64 | 1160 |
90 | 106.50 | 2.000 | 3.250 | 93.750 | 90.19 | 102.00 | 2.438 | 68 | 1430 |
96 | 113.25 | 2.000 | 3.250 | 100.000 | 96.19 | 108.50 | 2.438 | 68 | 1618 |
Nom Size | Drilling | ||||||||
OD | Thickness | Overall Thickness | Dia at Base | Bore | Bolt Circle | Hole Dia | No. Holes | Weight | |
A | T | L | E | B | C | ||||
4 | 9.00 | 0.938 | 1.312 | 5.312 | 4.57 | 7.50 | 0.750 | 8 | 13 |
5 | 10.00 | 0.938 | 1.438 | 6.438 | 5.66 | 8.50 | 0.875 | 8 | 14 |
6 | 11.00 | 1.000 | 1.562 | 7.562 | 6.72 | 9.50 | 0.875 | 8 | 17 |
8 | 13.50 | 1.125 | 1.750 | 9.688 | 8.72 | 11.75 | 0.875 | 8 | 28 |
10 | 16.00 | 1.188 | 1.938 | 12.000 | 10.88 | 14.25 | 1.000 | 12 | 37 |
12 | 19.00 | 1.250 | 2.188 | 14.375 | 12.88 | 17.00 | 1.000 | 12 | 59 |
14 | 21.00 | 1.375 | 2.250 | 15.750 | 14.19 | 18.75 | 1.125 | 12 | 78 |
16 | 23.50 | 1.438 | 2.500 | 18.000 | 16.19 | 21.25 | 1.125 | 16 | 101 |
18 | 25.00 | 1.562 | 2.688 | 19.875 | 18.19 | 22.75 | 1.250 | 16 | 110 |
20 | 27.50 | 1.688 | 2.875 | 22.000 | 20.19 | 25.00 | 1.250 | 20 | 139 |
22 | 29.50 | 1.812 | 3.125 | 24.000 | 22.19 | 27.25 | 1.375 | 20 | 162 |
24 | 32.00 | 1.875 | 3.250 | 26.125 | 24.19 | 29.50 | 1.375 | 20 | 197 |
26 | 34.25 | 2.000 | 3.375 | 28.500 | 26.19 | 31.75 | 1.375 | 24 | 235 |
28 | 36.50 | 2.062 | 3.438 | 30.750 | 28.19 | 34.00 | 1.375 | 28 | 269 |
30 | 38.75 | 2.125 | 3.500 | 32.750 | 30.19 | 36.00 | 1.375 | 28 | 303 |
32 | 41.75 | 2.250 | 3.625 | 35.000 | 32.19 | 38.50 | 1.625 | 28 | 375 |
34 | 43.75 | 2.312 | 3.688 | 37.000 | 34.19 | 40.50 | 1.625 | 32 | 401 |
36 | 46.00 | 2.375 | 3.750 | 39.250 | 36.19 | 42.75 | 1.625 | 32 | 452 |
38 | 48.75 | 2.375 | 3.750 | 41.750 | 38.19 | 45.25 | 1.625 | 32 | 528 |
40 | 50.75 | 2.500 | 3.875 | 43.750 | 40.19 | 47.25 | 1.625 | 36 | 573 |
42 | 53.00 | 2.625 | 4.000 | 46.000 | 42.19 | 49.50 | 1.625 | 36 | 648 |
44 | 55.25 | 2.625 | 4.000 | 48.000 | 44.19 | 51.75 | 1.625 | 40 | 688 |
46 | 57.25 | 2.688 | 4.062 | 50.000 | 46.19 | 53.75 | 1.625 | 40 | 733 |
48 | 59.50 | 2.750 | 4.125 | 52.250 | 48.19 | 56.00 | 1.625 | 44 | 799 |
50 | 61.75 | 2.750 | 4.125 | 54.250 | 50.19 | 58.25 | 1.875 | 44 | 827 |
52 | 64.00 | 2.875 | 4.250 | 56.500 | 52.19 | 60.50 | 1.875 | 44 | 922 |
54 | 66.25 | 3.000 | 4.375 | 58.750 | 54.19 | 62.75 | 1.875 | 44 | 1024 |
60 | 73.00 | 3.125 | 4.500 | 65.250 | 60.19 | 69.25 | 1.875 | 52 | 1253 |
66 | 80.00 | 3.375 | 4.875 | 71.500 | 66.19 | 76.00 | 1.875 | 52 | 1623 |
72 | 86.50 | 3.500 | 5.000 | 78.500 | 72.19 | 82.50 | 1.875 | 60 | 1922 |
78 | 93.00 | 3.875 | 5.375 | 84.500 | 78.19 | 89.00 | 2.125 | 64 | 2279 |
84 | 99.75 | 3.875 | 5.375 | 90.500 | 84.19 | 95.50 | 2.125 | 64 | 2586 |
90 | 106.50 | 4.250 | 5.750 | 96.750 | 90.19 | 102.00 | 2.438 | 68 | 3061 |
96 | 113.25 | 4.250 | 5.750 | 102.750 | 96.19 | 108.50 | 2.438 | 68 | 3432 |
Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
---|---|---|---|---|---|---|
AS4087 Flanges | PN14 Flanges | 95 | 67 | 4 | M12 | 14 |
AS 2129 Flange | Table C Flanges | 95 | 67 | 4 | 13 | 14 |
Table D Flanges | 95 | 67 | 4 | 13 | 14 | |
Table E Flanges | 95 | 67 | 4 | 13 | 14 | |
Table F Flanges | 95 | 67 | 4 | 13 | 14 | |
Table H Flanges | 114 | 83 | 4 | 16 | 17 | |
Table J Flanges | 114 | 83 | 4 | 16 | 17 | |
ANSI B16.5 Flanges | ANSI 150 Flanges | 89 | 60 | 4 | 13 | 16 |
ANSI 300 Flanges | 95 | 67 | 4 | 13 | 16 | |
ANSI 600 Flanges | 95 | 67 | 4 | 13 | 16 | |
ANSI 900 Flanges | 121 | 83 | 4 | 19 | 22 | |
ANSI 1500 Flanges | 121 | 83 | 4 | 19 | 22 | |
ISO 7005 (DIN) Flange | PN6 Flanges | 80 | 55 | 4 | M10 | 11 |
PN10 Flanges | 95 | 65 | 4 | M12 | 14 | |
PN16 Flanges | 95 | 65 | 4 | M12 | 14 | |
PN20 Flanges | 90 | 60.5 | 4 | M14 | 16 | |
PN25 Flanges | 95 | 65 | 4 | M12 | 14 | |
PN40 Flanges | 95 | 65 | 4 | M12 | 14 |