公稱直徑DN | ***小平均內(nèi)dim.min | 管***小結(jié)構(gòu)高度ec.min |
300 | 294 | 6.0 |
400 | 392 | 8.0 |
500 | 490 | 9.9 |
600 | 588 | 10.0 |
700 | 688 | 10.0 |
800 | 785 | 11.0 |
900 | 885 | 12.0 |
1000 | 985 | 14.0 |
1100 | 1085 | 18.0 |
1200 | 1185 | 22.0 |
1400 | 1365 | 28.0 |
1500 | 1462 | 34.0 |
1600 | 1560 | 40.0 |
1800 | 1755 | 44.0 |
2000 | 1950 | 50.0 |