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AWWA C207 Class E Ring Flange
| standard No. |
size |
PN |
Type |
Material |
| AWWA C207 |
4"--144" |
Class B,D,E,F T/1 |
PL |
A105,A181 A36,
A516Gr.60,65,70 |
Dimensions & Approx Masses of Class E Steel Ring Flange (275 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 |
1.125 |
1.125 |
4.57 |
7.50 |
0.750 |
8 |
14 |
20 |
5 |
10.00 |
1.188 |
1.188 |
5.66 |
8.50 |
0.875 |
8 |
16 |
26 |
6 |
11.00 |
1.313 |
1.313 |
6.72 |
9.50 |
0.875 |
8 |
20 |
35 |
8 |
13.50 |
1.500 |
1.500 |
8.72 |
11.75 |
0.875 |
8 |
33 |
61 |
10 |
16.00 |
1.563 |
1.563 |
10.88 |
14.25 |
1.000 |
12 |
44 |
89 |
12 |
19.00 |
1.750 |
1.750 |
12.88 |
17.00 |
1.000 |
12 |
71 |
141 |
14 |
21.00 |
1.875 |
1.875 |
14.19 |
18.75 |
1.125 |
12 |
94 |
184 |
16 |
23.50 |
2.000 |
2.000 |
16.19 |
21.25 |
1.125 |
16 |
120 |
246 |
18 |
25.00 |
2.125 |
2.125 |
18.19 |
22.75 |
1.250 |
16 |
127 |
296 |
20 |
27.50 |
2.375 |
2.375 |
20.19 |
25.00 |
1.250 |
20 |
168 |
400 |
22 |
29.50 |
2.500 |
2.500 |
22.19 |
27.25 |
1.375 |
20 |
189 |
484 |
24 |
32.00 |
2.625 |
2.625 |
24.19 |
29.50 |
1.375 |
20 |
234 |
598 |
26 |
34.25 |
2.750 |
2.750 |
26.19 |
31.75 |
1.375 |
24 |
270 |
718 |
28 |
36.50 |
2.750 |
2.750 |
28.19 |
34.00 |
1.375 |
28 |
297 |
815 |
30 |
38.75 |
2.875 |
2.875 |
30.19 |
36.00 |
1.375 |
28 |
344 |
961 |
32 |
41.75 |
3.000 |
3.000 |
32.19 |
38.50 |
1.625 |
28 |
422 |
1163 |
34 |
43.75 |
3.000 |
3.050 |
34.19 |
40.50 |
1.625 |
32 |
441 |
1299 |
36 |
46.00 |
3.125 |
3.209 |
36.19 |
42.75 |
1.625 |
32 |
502 |
1511 |
38 |
48.75 |
3.125 |
3.394 |
38.19 |
45.25 |
1.625 |
32 |
580 |
1795 |
40 |
50.75 |
3.250 |
3.533 |
40.19 |
47.25 |
1.625 |
36 |
626 |
2025 |
42 |
53.00 |
3.375 |
3.695 |
42.19 |
49.50 |
1.625 |
36 |
701 |
2309 |
44 |
55.25 |
3.375 |
3.857 |
44.19 |
51.75 |
1.625 |
40 |
747 |
2715 |
46 |
57.25 |
3.438 |
3.997 |
46.19 |
53.75 |
1.625 |
40 |
794 |
2813 |
48 |
59.50 |
3.500 |
4.159 |
48.19 |
56.00 |
1.625 |
44 |
858 |
3276 |
50 |
61.75 |
3.500 |
4.327 |
50.19 |
58.25 |
1.875 |
44 |
887 |
3671 |
52 |
64.00 |
3.625 |
4.489 |
52.19 |
60.50 |
1.875 |
44 |
982 |
4091 |
54 |
66.25 |
3.750 |
4.651 |
54.19 |
62.75 |
1.875 |
44 |
1083 |
4542 |
60 |
73.00 |
3.875 |
5.116 |
60.19 |
69.25 |
1.875 |
52 |
1313 |
6066 |
66 |
80.00 |
4.250 |
5.601 |
66.19 |
76.00 |
1.875 |
52 |
1736 |
7976 |
72 |
86.50 |
4.375 |
6.066 |
72.19 |
82.50 |
1.875 |
60 |
2005 |
10099 |
78 |
93.00 |
4.750 |
…….. |
78.19 |
89.00 |
2.125 |
64 |
2374 |
…….. |
84 |
99.75 |
4.750 |
…….. |
84.19 |
95.50 |
2.125 |
64 |
2719 |
…….. |
90 |
106.50 |
5.125 |
…….. |
90.19 |
102.00 |
2.438 |
68 |
3197 |
…….. |
96 |
113.25 |
5.125 |
…….. |
96.19 |
108.50 |
2.438 |
68 |
3613 |
…….. |
102 |
120.00 |
5.500 |
…….. |
102.19 |
114.50 |
2.688 |
72 |
4206 |
…….. |
108 |
126.75 |
5.500 |
…….. |
108.19 |
120.75 |
2.688 |
72 |
4700 |
…….. |
114 |
133.50 |
5.875 |
…….. |
114.19 |
126.75 |
2.938 |
76 |
5395 |
…….. |
120 |
140.25 |
5.875 |
…….. |
120.19 |
132.75 |
2.938 |
76 |
5972 |
…….. |
126 |
147.00 |
6.250 |
…….. |
126.19 |
139.25 |
3.188 |
80 |
6775 |
…….. |
132 |
153.75 |
6.250 |
…….. |
132.19 |
145.75 |
3.188 |
80 |
7442 |
…….. |
138 |
160.50 |
6.750 |
…….. |
138.19 |
152.00 |
3.438 |
84 |
8517 |
…….. |
144 |
167.25 |
6.750 |
…….. |
144.19 |
158.25 |
3.438 |
84 |
9295 |
…….. |
Dimensions are in inches. Weights are in pounds.
Note: *Pressure rating at atmospheric temperature is 275 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.
Main Export Market
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