Elbows are in accordance with EEMUA–234, Section 1. Seamless elbows are typically available up to 18 inch/457 mm. Larger dimensions are manufactured from longitudinally welded half shells. 45° and 90° elbows are available in all sizes.
Dimensions
Dimensions are based on EEMUA–234, Section 1, Figure 1.1, Tables 1.1-1.2 and 1.4-1.5., Standard elbows are supplied with long radius, i.e. 1.5 x O.D. Elbows with other dimensions are available on request.
Tolerances
See Appendix C
Weld Preparation
For wall thickness less than 3 mm, the elbows are supplied with plain weld ends. Larger thicknesses are supplied with the weld bevel of 37 ½°±2 ½°.
Dimensions
Nominal | Specified | Specified | E Centre to Face | Approx. Weight (kg) | |||||
Size | Size (OD) | Pipe Wall Thickness t | 45° | 90° | 45° | 45° | 90° | 90° | |
in | mm | 16bar | 20bar | 16bar | 20bar | 16bar | 20bar | ||
1 | 30 | Use 20 bar | 2.5 | 22 | 38 | Use 20 bar | 0.06 | Use 20 bar | 0.12 |
1¼ | 38 | 2.5 | 25 | 43 | 0.09 | 0.13 | |||
1½ | 44.5 | 2.5 | 29 | 57 | 0.15 | 0.30 | |||
2 | 57 | 2.5 | 35 | 76 | 0.25 | 0.52 | |||
2½ | 76.1 | 2.5 | 44 | 95 | 0.45 | 0.90 | |||
3 | 88.9 | 2.5 | 51 | 114 | 0.65 | 1.25 | |||
4 | 108 | 3.0 | 64 | 152 | 1.00 | 2.10 | |||
6 | 159 | 3.0 | 3.5 | 95 | 229 | 2.30 | 2.70 | 4.70 | 5.50 |
8 | 219.1 | 4.0 | 4.5 | 127 | 305 | 6.00 | 6.50 | 12 | 13 |
10 | 267 | 4.5 | 5.5 | 159 | 381 | 10 | 12 | 20 | 24 |
12 | 323.9 | 5.5 | 7.0 | 190 | 457 | 17 | 23 | 35 | 45 |
14 | 368 | 6.5 | 8.0 | 222 | 533 | 27 | 34 | 55 | 67 |
16 | 419 | 7.0 | 9.0 | 254 | 610 | 38 | 50 | 77 | 99 |
18 | 457.2 | 8.0 | 9.5 | 286 | 686 | 54 | 64 | 109 | 128 |
20 | 508 | 8.5 | 11.0 | 318 | 762 | 71 | 92 | 142 | 184 |
24 | 610 | 10.5 | 13.0 | 381 | 914 | 126 | 156 | 252 | 312 |
28 | 711 | 12.0 | 15.0 | 438 | 1067 | 197 | 245 | 394 | 490 |
32 | 813 | 13.5 | 17.0 | 502 | 1219 | 289 | 362 | 579 | 725 |
36 | 914 | 15.5 | 19.0 | 565 | 1372 | 420 | 513 | 841 | 1026 |