| 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 | 16.3 | 42.6 | 85.1 | 127.7 | 212.8 | 354.6 |
| 50 | 16.0 | 41.8 | 83.5 | 125.3 | 208.9 | 348.1 |
| 100 | 14.9 | 38.8 | 77.7 | 116.5 | 194.2 | 323.6 |
| 150 | 14.4 | 37.6 | 75.1 | 112.7 | 187.8 | 313.0 |
| 200 | 13.8 | 36.4 | 72.8 | 109.2 | 182.1 | 303.4 |
| 250 | 12.1 | 34.9 | 69.8 | 104.7 | 174.6 | 291.0 |
| 300 | 10.2 | 33.2 | 66.4 | 99.5 | 165.9 | 276.5 |
| 325 | 9.3 | 32.2 | 64.5 | 96.7 | 161.2 | 268.6 |
| 350 | 8.4 | 31.2 | 62.5 | 93.7 | 156.2 | 260.4 |
| 375 | 7.4 | 30.4 | 60.7 | 91.1 | 151.8 | 253.0 |
| 400 | 6.5 | 29.3 | 58.7 | 88.0 | 146.7 | 244.5 |
| 425 | 5.5 | 25.8 | 51.5 | 77.3 | 128.8 | 214.7 |
| 450 | 4.6 | 21.4 | 42.7 | 64.1 | 106.8 | 178.0 |
| 475 | 3.7 | 14.1 | 28.2 | 42.3 | 70.5 | 117.4 |
| 500 | 2.8 | 10.3 | 20.6 | 30.9 | 51.5 | 85.9 |
| 538 | 1.4 | 5.9 | 11.8 | 17.7 | 29.5 | 49.2 |