- Dimensions per ANSI/ASME B16.9.
- A 180° return long radius (LR) has a centerline curvature equal to 1-1/2 times the nominal pipe size (NPS) for 3/4 inch and larger sizes.
| Pipe Size (NPS) | J | K | Approx. Weight (lb) |
|---|
| STD | XS | XXS |
|---|
| 1/2 |
3 |
1 15/16 |
0.4 |
- |
- |
| 3/4 |
2 1/4 |
1 11/16 |
0.4 |
0.7 |
- |
| 1 |
3 |
2 3/16 |
0.8 |
1.0 |
1.5 |
| 1 1/4 |
3 3/4 |
2 3/4 |
1.3 |
1.8 |
2.7 |
| 1 1/2 |
4 1/2 |
3 1/4 |
1.9 |
2.4 |
4.0 |
| 2 |
6 |
4 3/16 |
3.2 |
4.4 |
7.5 |
| 2 1/2 |
7 1/2 |
5 3/16 |
6.5 |
8.0 |
14.0 |
| 3 |
9 |
6 1/4 |
10.3 |
13.0 |
22.0 |
| 3 1/2 |
10 1/2 |
7 1/4 |
13.0 |
16.8 |
32.0 |
| 4 |
12 |
8 1/4 |
18.5 |
25.0 |
40.0 |
| 5 |
15 |
10 5/16 |
30.0 |
44.0 |
72.0 |
| 6 |
18 |
12 5/16 |
50.0 |
70.0 |
130.0 |
| 8 |
24 |
16 5/16 |
95.0 |
142.0 |
236.0 |
| 10 |
30 |
20 3/8 |
117.0 |
215.0 |
- |
| 12 |
36 |
24 3/8 |
230.0 |
320.0 |
- |
| 14 |
42 |
28 |
325.0 |
400.0 |
- |
| 16 |
48 |
32 |
412.0 |
550.0 |
- |
| 18 |
54 |
36 |
510.0 |
690.0 |
- |
| 20 |
60 |
40 |
640.0 |
830.0 |
- |
| 22 |
66 |
44 |
787.0 |
1040.0 |
- |
| 24 |
72 |
48 |
890.0 |
1200.0 |
- |