
|  |  | 
| 规格Specification | 外径 mmOuter diameter | 内径 mmInsid diameter | 壁厚 mmWall thickness | 公差 mmCommon difference | 最小弯曲半径 mmMin.bending radius | 最大工作压力 Operatingp. | 概重 g/mGenerally heavy | 
| PU-4 | 4 | 2.5 | 0.75 | ± 0.1 | 10 | 1.0 | 9 | 
| PU-6 | 6 | 4 | 1.00 | ± 0.1 | 15 | 1.0 | 19 | 
| PU-8 | 8 | 5 | 1.50 | ± 0.1 | 23 | 1.0 | 36 | 
| PU-10 | 10 | 6.5 | 1.75 | ± 0.15 | 30 | 1.0 | 52 | 
| PU-12 | 12 | 8 | 2.00 | ± 0.15 | 35 | 1.0 | 72 | 
| PU-16 | 16 | 11 | 2.50 | ± 0.15 | 80 | 0.8 | 130 | 
| PU-19 | 19 | 13 | 3.00 | ± 0.15 | 100 | 0.8 | 185 | 
| PU-22 | 22 | 16 | 3.00 | ± 0.15 | 150 | 0.7 | 215 | 
| PU-25 | 25 | 19 | 3.00 | ± 0.2 | 200 | 0.7 | 230 | 
| PU-32 | 32 | 26 | 3.00 | ± 0.2 | 300 | 0.7 | 328 | 
| PU-38 | 38 | 32 | 3.00 | ± 0.3 | 400 | 0.6 | 396 | 
| PU-51 | 51 | 45 | 3.00 | ± 0.4 | 500 | 0.6 | 545 |