|
|
| |
DN20g宁波高压锅炉管实际外径应该是多少 |
|
|
DN20g高压锅炉管实际外径应该是多少
|
规格 |
外径
mm |
壁厚
mm |
最小壁厚
mm |
|
公称内径 |
英寸 |
|
DN15 |
1/2 |
21.3 |
2.8 |
2.45 |
|
DN20 |
3/4 |
26.9 |
2.8 |
2.45 |
|
DN25 |
1 |
33.7 |
3.2 |
2.8 |
|
DN32 |
1.25 |
42.4 |
3.5 |
3.06 |
|
DN40 |
1.5 |
48.3 |
3.5 |
3.06 |
|
DN50 |
2 |
60.3 |
3.8 |
3.325 |
|
DN65 |
2.5 |
76.1 |
4.0 |
3.5 |
|
DN80 |
3 |
88.9 |
4.0 |
|
|
DN100 |
4 |
114.3 |
4.0 |
|
|
DN125 |
5 |
140 |
4.5 |
|
|
DN150 |
6 |
168.3 |
4.5 |
|
|
DN200 |
8 |
219.1 |
6.0(焊管) |
|
|
DN200 |
8 |
219.1 |
6.5(热镀锌) | |
|
|
|
|
| |
|
