| 表7.0.1-4 PN16 钢制管法兰用材料最大允许工作压力（表压） | (bar) | ||||||||||||||||||||
| 法兰材料 | 工作温度（℃） | ||||||||||||||||||||
| 类别号 | 20 | 50 | 100 | 150 | 200 | 250 | 300 | 350 | 375 | 400 | 425 | 450 | 475 | 500 | 510 | 520 | 530 | 540 | 550 | 575 | 600 |
| 1C1 | 16.0 | 16.0 | 16.0 | 15.6 | 15.1 | 14.4 | 13.4 | 12.8 | 12.4 | 10.8 | 8.9 | 6.2 | 4.2 | 2.7 | — | — | — | — | — | — | — |
| 1C2 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 14.9 | 14.2 | 13.7 | 10.8 | 8.9 | 6.2 | 4.2 | 2.7 | — | — | — | — | — | — | — |
| 1C3 | 16.0 | 16.0 | 15.6 | 15.2 | 14.7 | 14.0 | 13.0 | 12.4 | 12.1 | 10.1 | 8.4 | 6.1 | 4.2 | 2.7 | — | — | — | — | — | — | — |
| 1C4 | 14.7 | 14.4 | 13.4 | 13.0 | 12.6 | 12.0 | 11.2 | 10.7 | 10.5 | 9.4 | 8.0 | 6.0 | 4.2 | 2.7 | — | — | — | — | — | — | — |
| 1C9 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 15.5 | 15.0 | 14.8 | 14.5 | 14.1 | 13.8 | 11.0 | 7.9 | 6.8 | 6.0 | 5.2 | 4.5 | 3.9 | 2.7 | 1.8 |
| 1C10 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 15.9 | 15.6 | 15.3 | 11.7 | 8.9 | 8.0 | 7.1 | 6.2 | 5.4 | 4.7 | 3.2 | 2.1 |
| 1C13 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 15.9 | 15.6 | 15.1 | 14.6 | 9.6 | 6.6 | 5.8 | 5.3 | 4.7 | 4.1 | 3.7 | 2.7 | 1.9 |
| 1C14 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 14.0 | 9.4 | 8.0 | 7.1 | 6.1 | 5.3 | 4.6 | 3.2 | 2.2 |
| 2C1 | 14.7 | 14.2 | 12.1 | 11.0 | 10.2 | 9.6 | 9.0 | 8.7 | 8.6 | 8.4 | 8.2 | 8.1 | 7.9 | 7.8 | 7.7 | 7.7 | 7.6 | 7.5 | 7.3 | 6.4 | 5.2 |
| 2C2 | 14.7 | 14.3 | 12.5 | 11.4 | 10.6 | 9.8 | 9.3 | 9.0 | 8.8 | 8.7 | 8.6 | 8.5 | 8.5 | 8.4 | 8.3 | 8.3 | 8.3 | 8.3 | 8.2 | 7.6 | 6.1 |
| 2C3 | 12.3 | 11.8 | 10.2 | 9.2 | 8.5 | 7.9 | 7.4 | 7.1 | 6.9 | 6.8 | 6.7 | 6.5 | — | — | — | — | — | — | — | — | — |
| 2C4 | 14.7 | 14.4 | 13.1 | 12.1 | 11.3 | 10.7 | 10.1 | 9.7 | 9.4 | 9.3 | 9.2 | 9.1 | 9.0 | 8.9 | 8.9 | 8.8 | 8.8 | 8.8 | 8.7 | 7.9 | 6.3 |
| 2C5 | 14.7 | 14.4 | 13.4 | 12.5 | 11.8 | 11.2 | 10.6 | 10.2 | 10.1 | 10.0 | 9.9 | 9.9 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.7 | 9.4 | 8.1 | 6.1 |
| 12EO | 14.2 | 13.5 | 12.5 | 11.7 | 11.0 | 10.3 | 9.7 | 9.2 | — | 8.9 | — | 8.7 | — | 8.5 | — | — | — | — | 8.2 | — | 6.1 |