|
规格 |
国标厚度 |
公称外径 |
|
|
DN(mm) |
DN(mm) |
mm |
mm |
|
DN15 |
1/2 |
2.75 |
21.6 |
|
DN20 |
3/4 |
2.75 |
26 |
|
DN25 |
1 |
3.25 |
32 |
|
DN32 |
1-1/4 |
3.25 |
42 |
|
DN40 |
1-1/2 |
3.5 |
48 |
|
DN50 |
2 |
3.5 |
60 |
|
DN65 |
2-1/2 |
3.75 |
76 |
|
DN80 |
3 |
4.0 |
89 |
|
DN100 |
4 |
4.0 |
114 |
|
DN125 |
5 |
4.5 |
140 |
|
DN150 |
6 |
4.5 |
165 |
|
DN200 |
8 |
6.0 |
219 |
|
DN250 |
10 |
7.0 |
273 |
|
DN300 |
12 |
7.0 |
325 |
