| 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 | 18.3 | 47.8 | 95.6 | 143.5 | 239.1 | 398.5 |
| 100 | 15.7 | 40.9 | 81.7 | 122.6 | 204.3 | 340.4 |
| 150 | 14.2 | 37.0 | 74.0 | 111.0 | 185.0 | 308.4 |
| 200 | 13.2 | 34.5 | 69.0 | 103.4 | 172.4 | 287.3 |
| 250 | 12.1 | 32.5 | 65.0 | 97.5 | 162.4 | 270.7 |
| 300 | 10.2 | 30.9 | 61.8 | 92.7 | 154.6 | 257.6 |
| 325 | 9.3 | 30.2 | 60.4 | 90.7 | 151.1 | 251.9 |
| 350 | 8.4 | 29.6 | 59.3 | 88.9 | 148.1 | 246.9 |
| 375 | 7.4 | 29.0 | 58.1 | 87.1 | 145.2 | 241.9 |
| 400 | 6.5 | 28.4 | 56.9 | 85.3 | 142.2 | 237.0 |
| 425 | 5.5 | 28.0 | 56.0 | 84.0 | 140.0 | 233.3 |
| 450 | 4.6 | 27.4 | 54.8 | 82.2 | 137.0 | 228.4 |
| 475 | 3.7 | 26.9 | 53.9 | 80.8 | 134.7 | 224.5 |
| 500 | 2.8 | 26.5 | 53.0 | 79.5 | 132.4 | 220.7 |
| 538 | 1.4 | 24.4 | 48.9 | 73.3 | 122.1 | 203.6 |
| 550 | — | 23.6 | 47.1 | 70.7 | 117.8 | 196.3 |
| 575 | — | 20.8 | 41.7 | 62.5 | 104.2 | 173.7 |
| 600 | — | 16.9 | 33.8 | 50.6 | 84.4 | 140.7 |
| 625 | — | 13.8 | 27.6 | 41.4 | 68.9 | 114.9 |
| 650 | — | 11.3 | 22.5 | 33.8 | 56.3 | 93.8 |
| 675 | — | 9.3 | 18.7 | 28.0 | 46.7 | 77.9 |
| 700 | — | 8.0 | 16.1 | 24.1 | 40.1 | 66.9 |
| 725 | — | 6.8 | 13.5 | 20.3 | 33.8 | 56.3 |
| 750 | — | 5.8 | 11.6 | 17.3 | 28.9 | 48.1 |
| 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 |