| 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 | 18.7 | 48.8 | 97.5 | 146.3 | 243.8 | 406.4 |
| 100 | 17.4 | 45.3 | 90.6 | 135.9 | 226.5 | 377.4 |
| 150 | 15.8 | 42.5 | 84.9 | 127.4 | 212.4 | 353.9 |
| 200 | 13.8 | 39.9 | 79.9 | 119.8 | 199.7 | 332.8 |
| 250 | 12.1 | 37.8 | 75.6 | 113.4 | 189.1 | 315.1 |
| 300 | 10.2 | 36.1 | 72.2 | 108.3 | 180.4 | 300.7 |
| 325 | 9.3 | 35.4 | 70.7 | 106.1 | 176.8 | 294.6 |
| 350 | 8.4 | 34.8 | 69.5 | 104.3 | 173.8 | 289.6 |
| 375 | 7.4 | 34.2 | 68.4 | 102.6 | 171.0 | 285.1 |
| 400 | 6.5 | 33.9 | 67.8 | 101.7 | 169.5 | 282.6 |
| 425 | 5.5 | 33.6 | 67.2 | 100.8 | 168.1 | 280.1 |
| 450 | 4.6 | 33.5 | 66.9 | 100.4 | 167.3 | 278.8 |
| 475 | 3.7 | 31.7 | 63.4 | 95.1 | 158.2 | 263.9 |
| 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 | — | 19.8 | 39.6 | 59.4 | 99.0 | 165.1 |
| 625 | — | 13.9 | 27.7 | 41.6 | 69.3 | 115.5 |
| 650 | — | 10.3 | 20.6 | 30.9 | 51.5 | 85.8 |
| 675 | — | 8.0 | 15.9 | 23.9 | 39.8 | 66.3 |
| 700 | — | 5.6 | 11.2 | 16.8 | 28.1 | 46.8 |
| 725 | — | 4.0 | 8.0 | 11.9 | 19.9 | 33.1 |
| 750 | — | 3.1 | 6.2 | 9.3 | 15.5 | 25.8 |
| 775 | — | 2.5 | 4.9 | 7.4 | 12.3 | 20.4 |
| 800 | — | 2.0 | 4.0 | 6.1 | 10.1 | 16.9 |
| 816 | — | 1.9 | 3.8 | 5.7 | 9.5 | 15.8 |