Eccentric and concentric reducers are in accordance with EEMUA –234, Section 1. The concentric reducers are typically supplied up to incl. 12 in./323.9 mm in seamless condition; bigger dimensions are seamwelded. The eccentric reducers are supplied up to incl. 8 in./219.1 mm in seamless condition; bigger dimensions are seamwelded.
Dimensions
Dimensions are based on EEMUA -234, Section 1, Figures 1.1, Tables 1.1-1.2 and 1.9.1-1.9.3. Reducers with other dimensions are available on request.
Tolerances
See Appendix C
Weld Preparation
For wall thickness less than 3 mm, the reducers are supplied with plain weld ends. Larger thicknesses are supplied with the weld bevel of 37 ½°±2 ½°.
Specified Size | Lenght | Specified Wall Thickness t x t1 | Approx. Weight | ||
OD | H | 16 bar | 20 bar | 16 bar | 20 bar |
mm | mm | mm | mm | kg | kg |
57 x 30 | 76 | 2.5 x 2.5 | 2.5 x 2.5 | 0.29 | 0.29 |
57 x 38 | 76 | 2.5 x 2.5 | 2.5 x 2.5 | 0.29 | 0.29 |
57 x 44.5 | 76 | 2.5 x 2.5 | 2.5 x 2.5 | 0.29 | 0.29 |
76.1 x 57 | 89 | 2.5 x 2.5 | 2.5 x 2.5 | 0.40 | 0.40 |
88.9 x 57 | 89 | 2.5 x 2.5 | 2.5 x 2.5 | 0.44 | 0.44 |
88.9 x 76.1 | 89 | 2.5 x 2.5 | 2.5 x 2.5 | 0.50 | 0.50 |
108 x 57 | 102 | 3.0 x 2.5 | 3.0 x 2.5 | 0.67 | 0.67 |
108 x 76.1 | 102 | 3.0 x 2.5 | 3.0 x 2.5 | 0.75 | 0.75 |
108 x 88.9 | 102 | 3.0 x 2.5 | 3.0 x 2.5 | 0.80 | 0.80 |
159 x 57 | 140 | 3.0 x 2.5 | 3.5 x 2.5 | 1.32 | 1.54 |
159 x 76.1 | 140 | 3.0 x 2.5 | 3.5 x 2.5 | 1.44 | 1.68 |
159 x 88.9 | 140 | 3.0 x 2.5 | 3.5 x 2.5 | 1.52 | 1.77 |
159 x 108 | 140 | 3.0 x 3.0 | 3.5 x 3.0 | 1.64 | 1.91 |
219.1 x 76.1 | 152 | 4.0 x 2.5 | 4.5 x 2.5 | 2.49 | 2.79 |
219.1 x 88.9 | 152 | 4.0 x 2.5 | 4.5 x 2.5 | 2.60 | 2.92 |
219.1 x 108 | 152 | 4.0 x 3.0 | 4.5 x 3.0 | 2.77 | 3.11 |
219.1 x 159 | 152 | 4.0 x 3.0 | 4.5 x 3.5 | 3.21 | 3.60 |
267 x 108 | 178 | 4.5 x 3.0 | 5.5 x 3.0 | 4.84 | 5.89 |
267 x 159 | 178 | 4.5 x 3.0 | 5.5 x 3.5 | 5.52 | 6.71 |
267 x 219.1 | 178 | 4.5 x 4.0 | 5.5 x 4.5 | 6.31 | 7.68 |
323.9 x 159 | 203 | 5.5 x 3.0 | 7.0 x 3.5 | 7.63 | 9.65 |
323.9 x 219.1 | 203 | 5.5 x 4.0 | 7.0 x 4.5 | 8.60 | 10.89 |
323.9 x 267 | 203 | 5.5 x 4.5 | 7.0 x 5.5 | 9.38 | 11.87 |
368 x 219.1 | 330 | 6.5 x 4.0 | 8.0 x 4.5 | 17.24 | 21.50 |
368 x 267 | 330 | 6.5 x 4.5 | 8.0 x 5.5 | 18.68 | 23.00 |
368 x 323.9 | 330 | 6.5 x 5.5 | 8.0 x 7.0 | 20.39 | 25.00 |
419 x 267 | 356 | 7.0 x 4.5 | 9.0 x 5.5 | 23.44 | 30.00 |
419 x 323.9 | 356 | 7.0 x 5.5 | 9.0 x 7.0 | 25.43 | 32.50 |
419 x 368 | 356 | 7.0 x 6.5 | 9.0 x 8.0 | 26.97 | 34.50 |
457.2 x 323.9 | 381 | 8.0 x 5.5 | 9.5 x 7.0 | 30.70 | 37.03 |
457.2 x 368 | 381 | 8.0 x 6.5 | 9.5 x 8.0 | 34.06 | 41.50 |
457.2 x 419 | 381 | 8.0 x 7.0 | 9.5 x 9.0 | 37.90 | 46.50 |
508 x 368 | 508 | 8.5 x 6.5 | 11.0 x 8.0 | 50.80 | 64.10 |
508 x 419 | 508 | 8.5 x 7.0 | 11.0 x 9.0 | 55.40 | 71.10 |
508 x 457.2 | 508 | 8.5 x 8.0 | 11.0 x 9.5 | 61.20 | 75.70 |
610 x 419 | 508 | 10.5 x 7.0 | 13.0 x 9.0 | 70.00 | 87.50 |
610 x 457.2 | 508 | 10.5 x 8.0 | 13.0 x 9.5 | 76.30 | 92.50 |
610 x 508 | 508 | 10.5 x 8.5 | 13.0 x 11.0 | 81.80 | 102.80 |
711 x 457.2 | 610 | 12.0 x 8.0 | 15 x 9.5 | 109.30 | 133.60 |
711 x 508 | 610 | 12.0 x 8.5 | 15 x 11.0 | 116.30 | 146.70 |
711 x 610 | 610 | 12.0 x 10.5 | 15 x 13.0 | 137.30 | 170.10 |
813 x 508 | 610 | 13.5 x 8.5 | 17 x 11 | 136.40 | 172.60 |
813 x 610 | 610 | 13.5 x 10.5 | 17 x 13 | 158.40 | 197.30 |
813 x 711 | 610 | 13.5 x 12.0 | 17 x 15 | 179.50 | 224.20 |
914 x 610 | 610 | 15.5 x 10.5 | 19 x 13 | 185.00 | 226.70 |
914 x 711 | 610 | 15.5 x 12 | 19 x 15 | 207.10 | 255.00 |
914 x 813 | 610 | 15.5 x 13.5 | 19 x 17 | 231.30 | 285.80 |