ANSI/ASME B16.9 Buttweld U Pipe Bend Dimensions
Nominal Pipes Size Outside Diameter Back to Face Center to Center
Inch. OD A B C D
1/2 21.3 48 76
3/4 26.7 43 57
1 33.4 56 41 76 51
1 1/4 42.2 70 52 95 64
1 1/2 48.3 83 62 114 76
2 60.3 106 81 152 102
2 1/2 73 132 100 191 127
3 88.9 159 121 229 152
3 1/2 101.6 184 140 267 178
4 114.3 210 159 305 203
5 141.3 262 197 381 254
6 168.3 313 237 457 305
8 219.1 414 313 610 406
10 273.1 518 391 762 508
12 323.9 619 467 914 610
14 355.6 711 533 1067 711
16 406.4 813 610 1219 813
18 457.2 914 686 1372 914
20 508 1016 762 1524 1016
22 559 1118 838 1676 1118
24 610 1219 914 1829 1219