公稱(chēng)通徑DN |
in |
內(nèi)襯塑料層 | |
厚度 | 允許偏差 | ||
15 |
1/2
|
1.5
|
±0.2 |
20
|
3/4
|
||
25
|
1
|
||
32
|
5/4
|
||
40
|
3/2 | ||
50
|
2
|
||
65
|
5/2 | ||
80
|
3
|
2.0
|
|
100
|
4
|
||
125
|
5
|
||
150
|
6
|
2.5
|
|
200
|
8
|
±0.5
|