| 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 | 15.9 | 41.4 | 82.7 | 124.1 | 206.8 | 344.7 |
| 50 | 15.3 | 40.0 | 80.0 | 120.1 | 200.1 | 333.5 |
| 100 | 13.3 | 34.8 | 69.6 | 104.4 | 173.9 | 289.9 |
| 150 | 12.0 | 31.4 | 62.8 | 94.2 | 157.0 | 261.6 |
| 200 | 11.2 | 29.2 | 58.3 | 87.5 | 145.8 | 243.0 |
| 250 | 10.5 | 27.5 | 54.9 | 82.4 | 137.3 | 228.9 |
| 300 | 10.0 | 26.1 | 52.1 | 78.2 | 130.3 | 217.2 |
| 325 | 9.3 | 25.5 | 51.0 | 76.4 | 127.4 | 212.3 |
| 350 | 8.4 | 25.1 | 50.1 | 75.2 | 125.4 | 208.9 |
| 375 | 7.4 | 24.8 | 49.5 | 74.3 | 123.8 | 206.3 |
| 400 | 6.5 | 24.3 | 48.6 | 72.9 | 121.5 | 202.5 |
| 425 | 5.5 | 23.9 | 47.7 | 71.6 | 119.3 | 198.8 |
| 450 | 4.6 | 23.4 | 46.8 | 70.2 | 117.1 | 195.1 |