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AWWA C207 Class D Steel Hub Flange |
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Dimensions & Approx Masses of Class D Steel Hub Flange (175-150 psi*) |
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Nom Size |
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Drilling |
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OD |
Thickness |
Overall Thickness |
Dia at Base |
Bore |
Bolt Circle |
Hole Dia |
No. Holes |
Weight |
A |
T |
L |
E |
B |
C |
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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 |
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| Dimensions are in inches. Weights are in pounds. |
| Note: Hub flanges are to be used on pipe that has an OD equal to the nominal pipe size in the first column. *Pressure rating at atmospheric temperature: sizes 4-12 in. inclusive, 175 psi; sizes larger than 12 in., 150 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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