|
Ⅱ系列的管子外径 (GB/T 14383—2008) mm |
||
|
公称尺寸 |
外径 |
|
|
DN |
NPS |
|
|
6 |
1/8 |
— |
|
8 |
1/4 |
— |
|
10 |
3/8 |
— |
|
15 |
1/2 |
18 |
|
20 |
3/4 |
25 |
|
25 |
1 |
32 |
|
32 |
1¼ |
38 |
|
40 |
1½ |
45 |
|
50 |
2 |
57 |
|
65 |
2½ |
76 |
|
80 |
3 |
89 |
|
100 |
4 |
108 |