These flanges will be furnished with a 1/4" raised face unless otherwise specified.
Dimensions are in inches. Weights are in pounds.
(1)- Bolt lenghts are calculated based on bolting one WN to one Blind.
(2)- Bolt diameter should be 1/8" less than the bolt hole diameter
Nominal Pipe Size |
Outside Diameter (O) |
Thickness (T) |
Raised Face Diameter (R) |
Length Thru Hub (Y) |
Hub Diameter (X) |
Bore (B) |
Approximate Weight (lbs) |
Bolt Circle (C) |
Number of Holes |
Diameter of Holes |
1/2 |
3.75 |
0.56 |
1.38 |
2.06 |
1.5 |
Specified by purchaser |
2 |
2.63 |
4 |
0.63 |
3/4 |
4.63 |
0.63 |
1.69 |
2.25 |
1.88 |
Specified by purchaser |
4 |
3.25 |
4 |
0.75 |
1 |
4.88 |
0.69 |
2 |
2.44 |
2.13 |
Specified by purchaser |
4 |
3.5 |
4 |
0.75 |
1 1/4 |
5.25 |
0.81 |
2.5 |
2.63 |
2.5 |
Specified by purchaser |
6 |
3.88 |
4 |
0.75 |
1 1/2 |
6.13 |
0.88 |
2.88 |
2.75 |
2.75 |
Specified by purchaser |
8 |
4.5 |
4 |
0.88 |
2 |
6.5 |
1 |
3.63 |
2.88 |
3.31 |
Specified by purchaser |
12 |
5 |
8 |
0.75 |
2 1/2 |
7.5 |
1.13 |
4.13 |
3.13 |
3.94 |
Specified by purchaser |
18 |
5.88 |
8 |
0.88 |
3 |
8.25 |
1.25 |
5 |
3.25 |
4.63 |
Specified by purchaser |
23 |
6.63 |
8 |
0.88 |
3 1/2 |
9 |
1.38 |
5.5 |
3.38 |
5.25 |
Specified by purchaser |
26 |
7.25 |
8 |
1 |
4 |
10 |
1.38 |
6.19 |
3.5 |
5.75 |
Specified by purchaser |
35 |
7.88 |
8 |
1 |
5 |
11 |
1.5 |
7.31 |
4 |
7 |
Specified by purchaser |
43 |
9.25 |
8 |
1 |
6 |
12.5 |
1.63 |
8.5 |
4.06 |
8.13 |
Specified by purchaser |
57 |
10.63 |
12 |
1 |
8 |
15 |
1.88 |
10.63 |
4.63 |
10.25 |
Specified by purchaser |
89 |
13 |
12 |
1.13 |
10 |
17.5 |
2.13 |
12.75 |
4.88 |
12.63 |
Specified by purchaser |
125 |
15.25 |
16 |
1.25 |
12 |
20.5 |
2.25 |
15 |
5.38 |
14.75 |
Specified by purchaser |
175 |
17.75 |
16 |
1.38 |
14 |
23 |
2.38 |
16.25 |
5.88 |
16.75 |
Specified by purchaser |
230 |
20.25 |
20 |
1.38 |
16 |
25.5 |
2.5 |
18.5 |
6 |
19 |
Specified by purchaser |
295 |
22.5 |
20 |
1.5 |
18 |
28 |
2.63 |
21 |
6.5 |
21 |
Specified by purchaser |
350 |
24.75 |
24 |
1.5 |
20 |
30.5 |
2.75 |
23 |
6.63 |
23.13 |
Specified by purchaser |
425 |
27 |
24 |
1.63 |
22 |
33 |
2.88 |
25.25 |
6.75 |
25.25 |
Specified by purchaser |
505 |
29.25 |
24 |
1.75 |
24 |
36 |
3 |
27.25 |
6.88 |
27.63 |
Specified by purchaser |
620 |
32 |
24 |
1.88 |
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