| 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 | 18.6 | 48.6 | 97.1 | 145.7 | 242.8 | 404.6 |
| 100 | 17.0 | 44.2 | 88.5 | 132.7 | 221.2 | 368.7 |
| 150 | 15.7 | 41.0 | 82.0 | 122.9 | 204.9 | 341.5 |
| 200 | 13.8 | 38.3 | 76.6 | 114.9 | 191.5 | 319.1 |
| 250 | 12.1 | 36.0 | 72.0 | 108.1 | 180.1 | 300.2 |
| 300 | 10.2 | 34.1 | 68.3 | 102.4 | 170.7 | 284.6 |
| 325 | 9.3 | 33.3 | 66.6 | 99.9 | 166.5 | 277.6 |
| 350 | 8.4 | 32.6 | 65.2 | 97.8 | 163.0 | 271.7 |
| 375 | 7.4 | 32.0 | 64.1 | 96.1 | 160.2 | 266.9 |
| 400 | 6.5 | 31.6 | 63.2 | 94.8 | 157.9 | 263.2 |
| 425 | 5.5 | 31.1 | 62.3 | 93.4 | 155.7 | 259.5 |
| 450 | 4.6 | 30.8 | 61.7 | 92.5 | 154.2 | 256.9 |
| 475 | 3.7 | 30.5 | 61.1 | 91.6 | 152.7 | 254.4 |
| 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 | — | 20.3 | 40.5 | 60.8 | 101.3 | 168.9 |
| 625 | — | 15.8 | 31.6 | 47.4 | 79.1 | 131.8 |
| 650 | — | 12.6 | 25.3 | 37.9 | 63.2 | 105.4 |
| 675 | — | 9.9 | 19.8 | 29.6 | 49.4 | 82.3 |
| 700 | — | 7.9 | 15.8 | 23.7 | 39.5 | 65.9 |
| 725 | — | 6.3 | 12.7 | 19.0 | 31.7 | 52.8 |
| 750 | — | 5.0 | 10.0 | 15.0 | 25.0 | 41.7 |
| 775 | — | 4.0 | 8.0 | 11.9 | 19.9 | 33.2 |
| 800 | — | 3.1 | 6.3 | 9.4 | 15.6 | 26.1 |
| 816 | — | 2.6 | 5.2 | 7.8 | 13.0 | 21.7 |