| 表7.0.1-9 PN160 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 | 160.0 | 160.0 | 160.0 | 156.3 | 151.4 | 144.1 | 133.8 | 127.7 | 124.4 | 108.0 | 89.4 | 62.2 | 42.0 | 27.3 | — | — | — | — | — | — | — |
| 1C2 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 148.9 | 142.2 | 136.6 | 108.0 | 89.4 | 62.2 | 42.0 | 27.3 | — | — | — | — | — | — | — |
| 1C3 | 160.0 | 160.0 | 155.8 | 151.8 | 147.4 | 140.2 | 130.2 | 124.3 | 120.5 | 101.4 | 84.9 | 61.5 | 42.0 | 27.3 | — | — | — | — | — | — | — |
| 1C4 | 147.0 | 144.2 | 133.9 | 130.3 | 126.3 | 120.3 | 111.7 | 106.8 | 105.3 | 94.9 | 80.4 | 60.8 | 42.0 | 27.3 | — | — | — | — | — | — | — |
| 1C9 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 155.4 | 150.3 | 147.6 | 144.9 | 141.4 | 137.8 | 109.7 | 79.7 | 68.3 | 60.4 | 52.4 | 45.0 | 39.5 | 27.3 | 18.7 |
| 1C10 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 158.7 | 156.0 | 153.0 | 116.9 | 89.3 | 80.9 | 71.8 | 62.8 | 54.4 | 47.7 | 32.7 | 21.4 |
| 1C13 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 159.2 | 155.7 | 151.3 | 145.6 | 96.3 | 66.2 | 58.8 | 52.9 | 47.1 | 41.6 | 37.4 | 27.5 | 19.3 |
| 1C14 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 160.0 | 140.0 | 94.7 | 81.0 | 71.4 | 61.8 | 53.0 | 46.7 | 32.5 | 22.4 |
| 2C1 | 147.0 | 141.7 | 121.1 | 110.1 | 102.1 | 96.2 | 90.8 | 87.5 | 86.4 | 84.6 | 82.4 | 81.1 | 79.7 | 78.5 | 77.9 | 77.4 | 76.8 | 75.9 | 73.6 | 64.8 | 52.4 |
| 2C2 | 147.0 | 142.5 | 125.0 | 114.0 | 105.6 | 98.9 | 93.6 | 90.2 | 88.5 | 87.2 | 86.3 | 85.4 | 84.9 | 84.1 | 83.8 | 83.5 | 83.3 | 83.0 | 82.7 | 76.5 | 61.9 |
| 2C3 | 122.5 | 118.4 | 102.1 | 92.5 | 84.9 | 79.0 | 74.8 | 71.2 | 69.9 | 68.5 | 67.2 | 65.9 | — | — | — | — | — | — | — | — | — |
| 2C4 | 147.0 | 143.7 | 130.6 | 121.3 | 113.4 | 106.7 | 101.1 | 96.9 | 94.9 | 93.5 | 92.2 | 91.3 | 90.4 | 89.6 | 89.2 | 88.8 | 88.5 | 88.1 | 87.2 | 79.5 | 63.0 |
| 2C5 | 147.0 | 144.3 | 133.6 | 125.3 | 117.8 | 111.5 | 106.4 | 102.4 | 100.9 | 100.4 | 99.5 | 99.1 | 98.7 | 98.5 | 98.5 | 98.3 | 98.2 | 97.3 | 94.0 | 81.4 | 61.5 |
| 12EO | 142.2 | 135.0 | 125.0 | 117.3 | 110.0 | 103.0 | 96.6 | 92.48 | — | 89.0 | — | 86.7 | — | 84.6 | — | — | — | — | 81.8 | — | 61.1 |