

| BS 1387/85 Oceľové rúry a rúrky vhodné na priskrutkovanie k potrubným závitom BS 21 | |||||||||||
| séria | Nominálna veľkosť | Vonkajší priemer | Hrúbka steny | Skrutkované a zasunuté | |||||||
| Max | Min | ||||||||||
| - | DN | v | mm | v | mm | v | mm | lb/ft | kg/ft | kg/m | |
| Svetlooceľová rúrka | 1/2 | 15 | 0.841 | 21.2 | 0.825 | 21.0 | 0.080 | 2.0 | 0.646 | 0.293 | 0.956 |
| 3/4 | 20 | 1.059 | 26.9 | 1.041 | 26.4 | 0.090 | 2.3 | 0.954 | 0.433 | 1.39 | |
| 1 | 25 | 1.328 | 33.8 | 1.309 | 33.2 | 0.104 | 2.6 | 1.360 | 0.617 | 2 | |
| 1 1/4 | 32 | 1.670 | 42.5 | 1.65 | 41.9 | 0.104 | 2.6 | 1.750 | 0.794 | 2.57 | |
| 1 1/2 | 40 | 1.903 | 48.4 | 1.882 | 47.8 | 0.116 | 2.9 | 2.220 | 1.010 | 3.27 | |
| 2 | 50 | 2.370 | 60.2 | 2.347 | 59.6 | 0.116 | 2.9 | 2.810 | 1.270 | 4.15 | |
| 2 1/2 | 65 | 2.991 | 76.0 | 2.960 | 75.2 | 0.126 | 3.2 | 3.980 | 1.810 | 5.83 | |
| 3 | 80 | 3.491 | 88.7 | 3.460 | 87.9 | 0.126 | 3.2 | 4.490 | 2.130 | 5.89 | |
| 4 | 100 | 4.481 | 113.9 | 4.450 | 113.0 | 0.142 | 3.6 | 6.840 | 3.100 | 10 | |
| Stredná oceľová rúra | 1/2 | 15 | 0.586 | 21.7 | 0.83 | 21.1 | 0.104 | 2.6 | 0.828 | 0.376 | 1.22 |
| 3/4 | 20 | 1.072 | 27.2 | 1.047 | 26.6 | 0.104 | 2.6 | 0.070 | 0.485 | 1.57 | |
| 1 | 25 | 1.346 | 34.2 | 1.316 | 33.4 | 0.126 | 3.2 | 0.650 | 0.748 | 2.43 | |
| 1 1/4 | 32 | 1.687 | 42.9 | 0.657 | 42.1 | 0.126 | 3.2 | 2.130 | 0.966 | 3.13 | |
| 1 1/2 | 40 | 1.919 | 48.8 | 1.889 | 48.0 | 0.126 | 3.2 | 2.460 | 0.12 | 3.61 | |
| 2 | 50 | 2.394 | 60.8 | 2.354 | 59.8 | 0.142 | 3.6 | 3.470 | 0.57 | 5.1 | |
| 2 1/2 | 65 | 3.012 | 76.6 | 2.969 | 75.4 | 0.142 | 3.6 | 4.460 | 2.02 | 6.55 | |
| 3 | 80 | 3.524 | 89.6 | 3.469 | 88.1 | 0.157 | 4.0 | 5.800 | 2.630 | 8.54 | |
| 4 | 0 | 4.524 | 114.9 | 4.459 | 113.3 | 0.177 | 4.5 | 8.340 | 3.780 | 12.5 | |
| 5 | 125 | 5.534 | 140.6 | 5.549 | 138.7 | 0.196 | 5.0 | 11.20 | 5.080 | 17.1 | |
| 6 | 150 | 6.539 | 166.1 | 6.459 | 164.1 | 0.196 | 5.0 | 13.30 | 5.030 | 20.3 | |
| Ťažká oceľová rúrka | 1/2 | 15 | 0.856 | 21.7 | 0.831 | 21 | 0.126 | 3.2 | 0.982 | 0.446 | 1.45 |
| 3/4 | 20 | 1.072 | 27.2 | 1.047 | 26.6 | 0.126 | 3.2 | 1.280 | 0.581 | 1.88 | |
| 1 | 25 | 1.346 | 34.2 | 1.136 | 33 | 0.157 | 4.0 | 2.010 | 0.912 | 2.96 | |
| 1 1/4 | 32 | 1.687 | 42.9 | 1.657 | 42 | 0.157 | 4.0 | 2.600 | 1.180 | 3.83 | |
| 1 1/2 | 40 | 1.919 | 48.8 | 1.889 | 48 | 0.157 | 4.0 | 3.010 | 1.370 | 4.42 | |
| 2 | 50 | 2.394 | 60.8 | 2.354 | 59.8 | 0.177 | 4.5 | 4.190 | 1.900 | 6.26 | |
| 2 1/2 | 65 | 3.014 | 76.6 | 2.969 | 75.4 | 0.177 | 4.5 | 5.390 | 2.440 | 8.05 | |
| 3 | 80 | 3.524 | 89.5 | 3.469 | 88.1 | 0.196 | 5.0 | 6.870 | 3.120 | 10.5 | |
| 4 | 0 | 4.524 | 114.9 | 4.459 | 13.3 | 0.212 | 5.4 | 9.910 | 4.500 | 14.8 | |
| 5 | 125 | 5.534 | 140.6 | 5.459 | 138.7 | 0.212 | 5.4 | 12.30 | 5.580 | 18.4 | |
| 6 | 150 | 6.539 | 166.1 | 6.459 | 164.1 | 0.212 | 5.4 | 14.70 | 6.670 | 21.9 | |





