TRU-BORE™ METRIC AND ISO CONCENTRIC AND ECCENTRIC REDUCERS
Tru-Bore™ Concentric & Eccentric Reducers
Stainless Steel Welded Tru-Bore™ Metric and ISO Concentric Reducers for Pressure Purposes
Produced in accordance with EN 10253-3 or EN 10253-4 (with additional NDT) according to your pressure requirement
Dimensions and Tolerance in accordance with ISO 1127, Plain Ends.
Some items are only available from mill stock or on production, other sizes and thickness available on request
Available Grades: 304L (1.4307), 316L (1.4404), 316L (1.4432)
Full Product Range – Technical Information
| DN1 | DN2 | OD1 | OD2 | WT | System | L mm | KG each |
| 20 | 15 . |
28 26.9 |
18 21.3 |
1.5 2 |
Metric ISO |
24 17 |
0.02 0.02 |
| 25 | 15 . 20 . |
29 33.7 29 33.7 |
19 21.3 24 26.7 |
2 2 2 2 |
Metric ISO Metric ISO |
30 37 15 20 |
0.03 0.05 0.02 0.03 |
| 32 | 15 . 20 . 25 . |
44 48.3 44 48.3 44 48.3 |
24 26.9 29 33.7 36 42.4 |
2 2 2 2 2 2 |
Metric ISO Metric ISO Metric ISO |
45 63 36 43 24 17 |
0.08 0.11 0.05 0.09 0.05 0.04 |
| 40 | 20 . 32 . 32 . |
44 48.3 44 48.3 44 48.3 |
24 26.9 29 33.7 36 42.4 |
2 2 2 2 2 2 |
Metric ISO Metric ISO Metric ISO |
45 63 36 43 24 17 |
0.08 0.11 0.05 0.09 0.05 0.04 |
| 50 | 25 . 32 . 40 . |
54 60.3 54 60.3 54 60.3 |
29 33.7 36 42.4 44 48.3 |
2 2 2 2 2 2 |
Metric ISO Metric ISO Metric ISO |
75 79 60 53 30 36 |
0.16 0.18 0.13 0.13 0.08 0.10 |
| DN1 | DN2 | OD1 | OD2 | WT | System | L mm | KG each |
| 65 | 40 . 50 . |
69 76.1 69 76.1 |
44 48.3 54 60.3 |
2 2 2 2 |
Metric ISO Metric ISO |
75 82 45 47 |
0.16 0.25 0.09 0.16 |
| 80 | 40 . 50 . 65 . |
84 88.9 84 88.9 84 88.9 |
44 48.3 54 60.3 69 76.1 |
2 2 2 2 2 2 |
Metric ISO Metric ISO Metric ISO |
120 120 90 85 45 38 |
0.40 0.41 0.30 0.31 0.17 0.16 |
| 100 | 50 . 65 . 80 . |
104 114.3 104 114.3 104 114.3 |
54 60.3 69 76.1 84 88.9 |
2 2 2 2 2 2 |
Metric ISO Metric ISO Metric ISO |
150 160 105 113 60 75 |
0.57 0.69 0.44 0.53 0.30 0.90 |
| 125 | 65 . 80 . 100 . |
129 139.7 129 139.7 129 139.7 |
69 76.1 84 88.9 104 114.3 |
2 2 2 2 2 2 |
Metric ISO Metric ISO Metric ISO |
180 188 135 151 75 75 |
0.90 1.01 0.75 0.86 0.43 0.43 |
| 150 | 65 . 80 . 100 . . . 125 . . . |
154 168.3 154 168.3 154 156 168 168.3 154 156 168 168.3 |
69 76.1 84 88.9 104 106 114.3 114.3 129 131 139.7 139.7 |
2 2 2 2 2 3 2 3 2 3 2 3 |
Metric ISO Metric ISO Metric Metric ISO ISO Metric Metric ISO ISO |
255 273 210 235 150 150 160 160 75 75 85 85 |
1.44 1.67 1.22 1.51 0.98 1.47 1.31 1.97 0.52 0.78 0.66 0.98 |
| DN1 | DN2 | OD1 | OD2 | WT | System | L mm | KG each |
| 200 | 100 . . . 125 . . . 150 . . . |
204 206 219 219.1 204 206 219 219.1 204 206 219 219.1 |
104 106 114.3 114.3 129 131 139.7 139.7 154 156 168.3 168.3 |
2 3 2 3 2 3 2 3 2 3 2 3 |
Metric Metric ISO ISO Metric Metric ISO ISO Metric Metric ISO ISO |
300 300 310 310 225 225 235 235 150 150 150 150 |
2.28 3.42 2.59 3.86 1.85 2.78 2.12 3.16 1.33 2.00 1.46 2.18 |
| 250 | 150. . . . 200 . . . |
254 256 273 273 254 256 273 273 |
154 156 168.3 168.3 204 206 219.1 219.1 |
2 3 2 3 2 3 2 3 |
Metric Metric ISO ISO Metric Metric ISO ISO |
300 300 310 310 150 150 160 160 |
3.04 4.56 3.44 5.14 1.71 2.57 1.98 2.96 |
| 300 | 150 . . . 200 . . . 250 . . . |
304 306 323.9 323.9 304 306 323.9 323.9 304 306 323.9 324 |
154 156 168.3 168.3 204 206 219.1 219.1 254 256 273 273 |
2 3 2 3 2 3 2 3 2 3 2 3 |
Metric Metric ISO ISO Metric Metric ISO ISO Metric Metric ISO ISO |
450 450 461 461 300 300 310 310 150 150 151 151 |
5.13 7.70 5.71 8.53 3.80 5.70 4.24 6.34 2.09 3.14 2.27 2.40 |
| 350 | 250 . 300 . |
356 355.6 356.0 355.6 |
256 273 306 323.9 |
3 3 3 3 |
Metric ISO Metric ISO |
300 244 150 94 |
6.84 5.78 3.71 2.41 |
| 400 | 200 . 250 . 300 . 350 . |
406 406.4 406 406.4 406 406.4 406 406.4 |
206 219.1 256 273 306 323.9 356 355.6 |
3 3 3 3 3 3 3 3 |
Metric ISO Metric ISO Metric ISO Metric ISO |
600 554 450 395 300 244 150 150 |
13.84 13.10 11.10 10.10 7.98 5.78 4.20 4.20 |
| DN1 | DN2 | OD1 | OD2 | WT | System | L mm | KG each |
| 500 | 300 . 400 . . . 450 . . . |
506 508.0 506 508 508 508 506 508 508 508 |
306 323.9 406 406.4 408 406.4 456 457 458 457 |
3 3 3 3 4 4 3 3 4 4 |
Metric ISO Metric ISO Metric ISO Metric ISO Metric ISO |
600 545 300 301 300 301 150 150 150 150 |
18.80 17.10 10.70 10.70 14.27 14.27 5.50 5.50 7.33 7.33 |
| 600 | 400 . . . 450 . . . 500 . . . |
606 610 608 610 606 610 608 610 606 608 610 610.0 |
406 406.4 408 406.4 456 457 408 457 506 508 508 508 |
3 3 4 4 3 3 4 4 3 4 4 3 |
Metric ISO Metric ISO Metric ISO Metric ISO Metric Metric ISO ISO |
600 601 600 601 450 451 450 451 300 300 301 301 |
23.07 23.10 30.76 30.80 18.16 18.20 24.21 24.24 12.67 16.89 12.68 16.90 |
| 700 | 500 . . . 600 . . . |
708 710 711 711 708 710 711 711 |
508 510 508 508 608 610 610 610 |
4 5 4 4 4 5 4 5 |
Metric Metric ISO ISO Metric Metric ISO ISO |
600 600 601 601 300 300 301 301 |
36.80 46.10 36.80 46.10 14.90 19.90 14.91 19.91 |
| 800 | 600 . . . 700 . . . |
808 810 813 813 808 810 813 813 |
608 610 610 610 708 710 711 711 |
4 5 4 5 4 5 4 5 |
Metric Metric ISO ISO Metric Metric ISO ISO |
600 600 601 601 300 300 301 301 |
32.10 42.90 32.40 43.20 17.20 23.00 17.46 23.00 |