公称尺寸 DN/ID |
最小平均内径 di,min |
最小内层壁厚 ei,min |
200 | 195 | 1.3 |
250 | 245 | 1.6 |
300 | 294 | 2.0 |
400 | 392 | 2.5 |
500 | 490 | 3.0 |
600 | 588 | 3.5 |
700 | 673 | 4.0 |
800 | 785 | 4.5 |
900 | 885 | 4.9 |
1000 | 985 | 5.4 |
1100 | 1085 | 5.5 |
1200 | 1185 | 6.0 |
1300 | 1285 | 6.5 |
1400 | 1385 | 7.0 |
1500 | 1485 | 7.4 |
1600 | 1585 | 7.6 |
1700 | 1685 | 8.0 |
1800 | 1785 | 8.5 |
1900 | 1885 | 8.8 |
2000 | 1985 | 9.1 |
2100 | 2085 | 9.5 |
2200 | 2185 | 9.8 |
2300 | 2285 | 10.0 |
2400 | 2385 | 10.5 |
2500 | 2485 | 10.5 |
2600 | 2585 | 10.5 |
2700 | 2685 | 13 |
2800 | 2785 | 13 |
2900 | 2885 | 15 |
3000 | 2985 | 15 |