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AWWA C207 Class B Ring Flange (86 Psi)
| standard No. | size | PN | Type | Material |
| AWWA C207 | 4"--144" | Class B,D,E,F T/1 | PL | A105,A181 A36, |
Dimensions & Approximate Masses of C207 Class B Ring Flange (86 psi*)
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 |
…….. |
Dimensions are in inches. Weights are in pounds.
Note: *Pressure rating at atmospheric temperature is 86 psi. These flanges have the same OD and drilling as ANSI/ASME B16.1 class 125 cast-iron flanges. In sizes 24in. and smaller, they also match ANSI/ASME B16.5 150-psi standard for steel flanges.
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