| 工作温度（℃） | 最大允许工作压力（bar） | |||||
| Class150 (PN20) | Class300 (PN50) | Class600 (PN110) | Class900 (PN150) | Class1500 (PN260) | Class2500 (PN420) | |
| ≤38 | 19.0 | 49.6 | 99.3 | 148.9 | 248.2 | 413.7 |
| 50 | 18.4 | 48.1 | 96.2 | 144.3 | 240.6 | 400.9 |
| 100 | 16.2 | 42.2 | 84.4 | 126.6 | 211.0 | 351.6 |
| 150 | 14.8 | 38.5 | 77.0 | 115.5 | 192.5 | 320.8 |
| 200 | 13.7 | 35.7 | 71.3 | 107.0 | 178.3 | 297.2 |
| 250 | 12.1 | 33.4 | 66.8 | 100.1 | 166.9 | 278.1 |
| 300 | 10.2 | 31.6 | 63.2 | 94.9 | 158.1 | 263.5 |
| 325 | 9.3 | 30.9 | 61.8 | 92.7 | 154.4 | 257.4 |
| 350 | 8.4 | 30.3 | 60.7 | 91.0 | 151.6 | 252.7 |
| 375 | 7.4 | 29.9 | 59.8 | 89.6 | 149.4 | 249.0 |
| 400 | 6.5 | 29.4 | 58.9 | 88.3 | 147.2 | 245.3 |
| 425 | 5.5 | 29.1 | 58.3 | 87.4 | 145.7 | 242.9 |
| 450 | 4.6 | 28.8 | 57.7 | 86.5 | 144.2 | 240.4 |
| 475 | 3.7 | 28.7 | 57.3 | 86.0 | 143.4 | 238.9 |
| 500 | 2.8 | 28.2 | 56.5 | 84.7 | 140.9 | 235.0 |
| 538 | 1.4 | 25.2 | 50.0 | 75.2 | 125.5 | 208.9 |
| 550 | — | 25.0 | 49.8 | 74.8 | 124.9 | 208.0 |
| 575 | — | 24.0 | 47.9 | 71.8 | 119.7 | 199.5 |
| 600 | — | 19.9 | 39.8 | 59.7 | 99.5 | 165.9 |
| 625 | — | 15.8 | 31.6 | 47.4 | 79.1 | 131.8 |
| 650 | — | 12.7 | 25.3 | 38.0 | 63.3 | 105.5 |
| 675 | — | 10.3 | 20.6 | 31.0 | 51.6 | 86.0 |
| 700 | — | 8.4 | 16.8 | 25.1 | 41.9 | 69.8 |
| 725 | — | 7.0 | 14.0 | 21.0 | 34.9 | 58.2 |
| 750 | — | 5.9 | 11.7 | 17.6 | 29.3 | 48.9 |
| 775 | — | 4.6 | 9.0 | 13.7 | 22.8 | 38.0 |
| 800 | — | 3.5 | 7.0 | 10.5 | 17.4 | 29.2 |
| 816 | — | 2.8 | 5.9 | 8.6 | 14.1 | 23.8 |