Flange – Weld Neck, ANSI Class 150, ASME B16.5, Ring Joint Facing (in)
- Dimensions and tolerances in accordance with ANSI/ASME B16.5 for sizes 1/2″ to 24″.
- 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 |
Thicknessof
Flange
C |
Diameterof
Bore
D |
Diameterof Hub
at Weld
H |
Diameterof Hub
at Base
J |
Lengthof
Hub
K |
Diameterof Raised
Face
T |
Diameterof
Grove
U |
GroveWidth
W |
GroveDepth
X |
Numberof
Bolt
Holes |
Diameterof
Bolt
Holes |
BoltCircle Diameter
P |
| 1/2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
| 3/4 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
| 1 |
4 1/4 |
9/16 |
1.049 |
1.315 |
1 15/16 |
2 3/16 |
2 1/2 |
1 7/8 |
11/32 |
1/4 |
4 |
5/8 |
3 1/8 |
| 1 1/4 |
4 5/8 |
5/8 |
1.380 |
1.660 |
2 5/16 |
2 1/4 |
2 7/8 |
2 1/4 |
11/32 |
1/4 |
4 |
5/8 |
3 1/2 |
| 1 1/2 |
5 |
11/16 |
1.610 |
1.900 |
2 9/16 |
2 7/16 |
3 1/4 |
2 9/16 |
11/32 |
1/4 |
4 |
5/8 |
3 7/8 |
| 2 |
6 |
3/4 |
2.067 |
2.375 |
3 1/16 |
2 1/2 |
4 |
3 1/4 |
11/32 |
1/4 |
4 |
3/4 |
4 3/4 |
| 2 1/2 |
7 |
7/8 |
2.469 |
2.875 |
3 9/16 |
2 3/4 |
4 3/4 |
4 |
11/32 |
1/4 |
4 |
3/4 |
5 1/2 |
| 3 |
7 1/2 |
15/16 |
3.068 |
3.500 |
4 1/4 |
2 3/4 |
5 1/4 |
4 1/2 |
11/32 |
1/4 |
4 |
3/4 |
6 |
| 3 1/2 |
8 1/2 |
15/16 |
3.548 |
4.00 |
4 13/16 |
2 13/16 |
6 1/16 |
5 3/16 |
11/32 |
1/4 |
8 |
3/4 |
7 |
| 4 |
9 |
15/16 |
4.026 |
4.500 |
5 5/16 |
3 |
6 3/4 |
5 7/8 |
11/32 |
1/4 |
8 |
3/4 |
7 1/2 |
| 5 |
10 |
15/16 |
5.047 |
5.563 |
6 7/16 |
3 1/2 |
7 5/8 |
6 3/4 |
11/32 |
1/4 |
8 |
7/8 |
8 1/2 |
| 6 |
11 |
1 |
6.065 |
6.625 |
7 9/16 |
3 1/2 |
8 5/8 |
7 5/8 |
11/32 |
1/4 |
8 |
7/8 |
9 1/2 |
| 8 |
13 1/2 |
1 1/8 |
7.981 |
8.625 |
9 11/16 |
4 |
10 3/4 |
9 3/4 |
11/32 |
1/4 |
8 |
7/8 |
11 3/4 |
| 10 |
16 |
1 3/16 |
10.020 |
10.750 |
12 |
4 |
13 |
12 |
11/32 |
1/4 |
12 |
1 |
14 1/4 |
| 12 |
19 |
1 1/4 |
12.00 |
12.750 |
14 3/8 |
4 1/2 |
16 |
15 |
11/32 |
1/4 |
12 |
1 |
17 |
| 14 |
21 |
1 3/8 |
13.25 |
14.00 |
15 3/4 |
5 |
16 3/4 |
15 5/8 |
11/32 |
1/4 |
12 |
1 1/8 |
18 3/4 |
| 16 |
23 1/2 |
1 7/16 |
15.25 |
16.00 |
18 |
5 |
19 |
17 7/8 |
11/32 |
1/4 |
16 |
1 1/8 |
21 1/4 |
| 18 |
25 |
1 9/16 |
17.25 |
18.00 |
19 7/8 |
5 1/2 |
21 1/2 |
20 3/8 |
11/32 |
1/4 |
16 |
1 1/4 |
22 3/4 |
| 20 |
27 1/2 |
1 11/16 |
19.25 |
20.00 |
22 |
5 11/16 |
23 1/2 |
22 |
11/32 |
1/4 |
20 |
1 1/4 |
25 |
| 22 |
29 1/2 |
1 13/16 |
21.25 |
22.00 |
24 |
5 7/8 |
25 1/2 |
24 1/4 |
11/32 |
1/4 |
20 |
1 3/8 |
27 1/4 |
| 24 |
32 |
1 7/8 |
23.25 |
24.00 |
26 1/8 |
6 |
28 |
26 1/2 |
11/32 |
1/4 |
20 |
1 3/8 |
29 1/2 |
