Short radius elbows

The short radius elbows have a center-to-end distance equal to the Nominal Pipe Size (NPS) in inches, while the long radius is 1.5 times the NPS in inches. Short elbows are widely available, and are typically used in pressurized systems.

The degree types of short radius pipe elbows as below:

  • 45 degree short radius elbow
  • 90 degree Short Radius Elbow
  • 180 degree short radius elbow

SR (Short Radius) Elbows have a Center-to-Face dimension of 1.0 X diameter. They are typically used in tight areas where clearance is the main issue.

ASME B16.9 90°Short Radius Elbow Dimensional Tolerance

NPS

O.D.
D

90 degrees
Long Radius
Center-to-End
A

45 degrees
Long Radius
Center-to-End
B

90 degrees
3D
Center-to-End
A

45 degrees
3D
Center-to-End
B
1/2 21.3 38 16 – –
3/4 26.7 38 19 57 24
1 33.4 38 22 76 31
1¼ 42.2 48 25 95 39
1½ 48.3 57 29 114 47
2 60.3 76 35 152 63
2½ 73 95 44 190 79
3 88.9 114 51 229 95
3½ 101.6 133 57 267 111
4 114.3 152 64 305 127
5 141.3 190 79 381 157
6 168.3 229 95 457 189
8 219.1 305 127 610 252
10 273 381 159 762 316
12 323.8 457 190 914 378
14 355.6 533 222 1067 441
16 406.4 610 254 1219 505
18 457 686 286 1372 568
20 508 762 318 1524 632
22 559 838 343 1676 694
24 610 914 381 1829 757
26 660 991 406 1981 821
28 711 1067 438 2134 883
30 762 1143 470 2286 964
32 813 1219 502 2438 1010
34 864 1295 533 2591 1073
36 914 1372 565 2743 1135
38 965 1448 600 2896 1200
40 1016 1524 632 3048 1264
42 1067 1600 660 3200 1326
44 1118 1676 695 3353 1389
46 1168 1753 727 3505 1453
48 1219 1829 759 3658 1516

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