| Nominal pipe size Nps  | 
    Outside | Center to end | Center to center | Back to Faces | ||||
|---|---|---|---|---|---|---|---|---|
| Diameter at bevel | 45°Elbow | 90°Elbows | 180°Return | |||||
| D | H | F | P | K | ||||
| Long Radius | Long Radius | Short Radius | Long Radius | Short Radius | Long Radius | Short Radius | ||
| 1/2 | 21.3 | 16 | 38 | - | 76 | - | 48 | - | 
| 3/4 | 26.7 | 19 | 38 | - | 76 | - | 51 | - | 
| 1 | 33.4 | 22 | 38 | 25 | 76 | 51 | 56 | 41 | 
| 1 1/4 | 42.2 | 25 | 48 | 32 | 95 | 64 | 70 | 52 | 
| 1 1/2 | 48.3 | 29 | 57 | 38 | 114 | 76.2 | 83 | 62 | 
| 2 | 60.3 | 35 | 76 | 51 | 152 | 102 | 106 | 81 | 
| 2 1/2 | 73.0 | 44 | 95 | 64 | 190 | 127 | 132 | 100 | 
| 3 | 88.9 | 51 | 114 | 76 | 229 | 152 | 159 | 121 | 
| 3 1/2 | 101.6 | 57 | 133 | 89 | 267 | 177 | 184 | 140 | 
| 4 | 114.3 | 64 | 152 | 102 | 305 | 203 | 210 | 159 | 
| 5 | 141.3 | 79 | 190 | 127 | 381 | 254 | 262 | 197 | 
| 6 | 168.3 | 95 | 229 | 152 | 457 | 305 | 313 | 237 | 
| 8 | 219.1 | 127 | 305 | 203 | 610 | 406 | 414 | 313 | 
| 10 | 273 | 159 | 381 | 254 | 762 | 508 | 518 | 391 | 
| 12 | 323.8 | 190 | 457 | 305 | 914 | 610 | 619 | 467 | 
| 14 | 355.6 | 222 | 533 | 356 | 1067 | 711 | 711 | 533 | 
| 16 | 406.4 | 254 | 610 | 406 | 1219 | 813 | 813 | 610 | 
| 18 | 457 | 286 | 686 | 457 | 1372 | 914 | 914 | 686 | 
| 20 | 508 | 318 | 762 | 508 | 1524 | 1016 | 1016 | 762 | 
| 22 | 559 | 343 | 838 | 559 | 1676 | 1118 | 1118 | 838 | 
| 24 | 610 | 381 | 914 | 610 | 1829 | 1219 | 1219 | 914 | 
| 26 | 660 | 405 | 991 | Note: 90 elbow is according to ASME/ANSI B16.9-2001 | ||||
| 28 | 711 | 438 | 1067 | |||||
| 30 | 762 | 470 | 1143 | |||||
| 32 | 813 | 502 | 1219 | |||||
| 34 | 864 | 533 | 1295 | |||||
| 36 | 914 | 565 | 1372 | |||||
| 38 | 965 | 600 | 1448 | |||||
| 40 | 1016 | 632 | 1524 | |||||
| 42 | 1067 | 660 | 1600 | |||||
| 44 | 1118 | 695 | 1676 | |||||
| 46 | 1168 | 727 | 1753 | |||||
| 48 | 1219 | 759 | 1829 | |||||