| 工作温度（℃） | 最大允许工作压力（bar） | ||
| Class150 (PN20) | Class300 (PN50) | Class600 (PN110) | |
| ≤38 | 16.0 | 41.8 | 83.6 |
| 50 | 15.4 | 40.1 | 80.3 |
| 100 | 14.8 | 38.7 | 77.4 |
| 150 | 14.4 | 37.6 | 75.3 |
| 200 | 13.8 | 36.4 | 72.8 |
| 250 | 12.1 | 35.0 | 69.9 |
| 300 | 10.2 | 33.1 | 66.2 |
| 325 | 9.3 | 32.3 | 64.5 |
| 350 | 8.4 | 31.2 | 62.5 |
| 375 | 7.4 | 30.4 | 60.8 |
| 400 | 6.5 | 29.4 | 58.7 |
| 425 | 5.5 | 25.9 | 51.7 |
| 450 | 4.6 | 21.5 | 43.0 |
| 475 | 3.7 | 15.5 | 31.0 |