- A 45° elbow 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.
- Dimensions on this sheet are per ASME B16.9. Dimension units are as shown below.
| Pipe Size | OD at Bevel | D | Approx. Weight | |||
|---|---|---|---|---|---|---|
| NPS | DN | Std | XS | XXS | ||
| mm | mm | kg | kg | kg | ||
| 0.5 | 15 | 21.3 | 16.0 | 0.2 | 0.4 | - |
| 0.75 | 20 | 26.7 | 19.0 | 0.2 | 0.4 | - |
| 1 | 25 | 33.4 | 22.0 | 0.7 | 0.7 | 0.9 |
| 1.25 | 32 | 42.2 | 25.0 | 0.9 | 1.1 | 1.8 |
| 1.5 | 40 | 48.3 | 29.0 | 0.9 | 1.5 | 2.4 |
| 2 | 50 | 60.3 | 35.0 | 1.8 | 2.6 | 4.4 |
| 2.5 | 65 | 73.0 | 44.0 | 4.0 | 4.6 | 8.4 |
| 3 | 80 | 88.9 | 51.0 | 5.7 | 7.7 | 12.8 |
| 3.5 | 90 | 101.6 | 57.0 | 7.7 | 9.9 | 18.7 |
| 4 | 100 | 114.3 | 64.0 | 9.9 | 13.4 | 24.3 |
| 5 | 125 | 141.3 | 79.0 | 16.5 | 24.3 | 41.9 |
| 6 | 150 | 168.3 | 95 | 26.5 | 39.7 | 70.5 |
| 8 | 200 | 219.1 | 127 | 50.7 | 77.2 | 132.3 |
| 10 | 250 | 273.0 | 159 | 94.8 | 116.8 | - |
| 12 | 300 | 323.8 | 190 | 136.7 | 185.2 | - |
| 14 | 350 | 355.6 | 222 | 176.4 | 220.5 | - |
| 16 | 400 | 406.4 | 254 | 220.5 | 297.6 | - |
| 18 | 450 | 457 | 286 | 277.8 | 368.2 | - |
| 20 | 500 | 508 | 318 | 352.7 | 454.2 | - |
| 22 | 550 | 559 | 343 | 434.3 | 573.2 | - |
| 24 | 600 | 610 | 381 | 524.7 | 661.4 | - |
| 26 | 650 | 660 | 406 | - | - | - |
| 28 | 700 | 711 | 438 | - | - | - |
| 30 | 750 | 762 | 470 | - | - | - |
| 32 | 800 | 813 | 502 | - | - | - |
| 34 | 850 | 864 | 533 | - | - | - |
| 36 | 900 | 914 | 565 | - | - | - |
| 38 | 950 | 965 | 600 | - | - | - |
| 40 | 1000 | 1,016 | 632 | - | - | - |
| 42 | 1050 | 1,067 | 660 | - | - | - |
| 44 | 1100 | 1,118 | 695 | - | - | - |
| 46 | 1150 | 1,168 | 727 | - | - | - |
| 48 | 1200 | 1,219 | 759 | - | - | - |