Flange – Weld Neck, ANSI Class 400, ASME B16.47 Series A, 1/4″ Raised Face (in)
- Dimensions and tolerances in accordance with ANSI/ASME B16.47 for sizes 26″ to 60″.
- Carbon steel forgings in accordance with ASTM A105.
- Bolt circle diameters are 1/8 inch larger than bolt diameter.
Pipe Size(NPS) |
OutsideDiameter
of
Flange
A |
Diameterof
Raised
Face
B |
Thicknessof
Flange
C |
Diameterof
Bore
D |
Diameterof Hub
at Weld
H |
Diameterof Hub
at Base
J |
Lengthof Hub
K |
Numberof
Bolt
Holes |
Diameterof
Bolt
Holes |
BoltCircle
Diameter
P |
Approx.Weight
(lb) |
26 |
38 1/4 |
29 1/2 |
3 1/2 |
* |
26 |
28 5/8 |
7 5/8 |
28 |
1 7/8 |
34 1/2 |
650 |
28 |
40 3/4 |
31 1/2 |
3 3/4 |
* |
28 |
30 13/16 |
8 1/8 |
28 |
2 |
37 |
785 |
30 |
43 |
33 3/4 |
4 |
* |
30 |
32 15/16 |
8 5/8 |
28 |
2 1/8 |
39 1/4 |
905 |
32 |
45 1/4 |
36 |
4 1/4 |
* |
32 |
35 |
9 1/8 |
28 |
2 1/8 |
41 1/2 |
1065 |
34 |
47 1/2 |
38 |
4 3/8 |
* |
34 |
37 3/16 |
9 1/2 |
28 |
2 1/8 |
43 1/2 |
1200 |
36 |
50 |
40 1/4 |
4 1/4 |
* |
36 |
39 3/8 |
9 7/8 |
32 |
2 1/8 |
46 |
1340 |
38 |
47 1/2 |
40 3/4 |
4 1/8 |
* |
38 |
39 1/2 |
8 1/8 |
32 |
1 7/8 |
44 |
935 |
40 |
50 |
43 |
5 1/8 |
* |
40 |
41 1/2 |
8 1/2 |
32 |
2 |
46 1/4 |
1090 |
42 |
52 |
45 |
5 1/4 |
* |
42 |
43 5/8 |
8 13/16 |
32 |
2 |
48 1/4 |
1190 |
44 |
54 1/2 |
47 1/4 |
5 1/2 |
* |
44 |
45 5/8 |
8 3/16 |
32 |
2 1/8 |
50 1/2 |
1375 |
46 |
56 3/4 |
49 1/2 |
5 3/4 |
* |
46 |
47 3/4 |
9 5/8 |
36 |
2 1/8 |
52 3/4 |
1525 |
48 |
59 1/2 |
51 1/2 |
6 |
* |
48 |
49 7/8 |
10 1/8 |
28 |
2 3/8 |
55 1/4 |
1790 |
50 |
61 3/4 |
53 5/8 |
6 3/16 |
* |
50 |
52 |
10 9/16 |
32 |
2 3/8 |
57 1/2 |
1950 |
52 |
63 3/4 |
55 5/8 |
6 3/8 |
* |
52 |
54 |
10 7/8 |
32 |
2 3/8 |
59 1/2 |
2125 |
54 |
67 |
57 7/8 |
6 11/16 |
* |
54 |
56 1/8 |
11 3/8 |
28 |
2 5/8 |
62 1/4 |
2565 |
56 |
69 |
60 1/8 |
6 1/8 |
* |
56 |
58 1/4 |
11 3/4 |
32 |
2 5/8 |
64 1/4 |
2710 |
58 |
71 |
62 1/8 |
7 |
* |
58 |
60 1/4 |
12 1/16 |
32 |
2 5/8 |
66 1/4 |
3230 |
60 |
71 1/4 |
64 3/8 |
7 5/16 |
* |
60 |
62 3/8 |
12 9/16 |
32 |
2 7/8 |
69 |
3820 |
- * To be specified by purchaser.