|
公称外径 |
压力等级 |
|||
|
SDR17.6 |
SDR11 |
|||
|
公称壁厚(mm) |
公称壁厚(mm) |
|||
|
20 |
2.3 |
3.0 |
||
|
25 |
2.3 |
3.0 |
||
|
32 |
2.3 |
3.0 |
||
|
40 |
2.3 |
3.4 |
||
|
50 |
2.9 |
4.6 |
||
|
63 |
3.6 |
5.8 |
||
|
75 |
4.3 |
6.8 |
||
|
90 |
5.2 |
8.2 |
||
|
110 |
6.3 |
10.0 |
||
|
125 |
7.1 |
11.4 |
||
|
140 |
8.0 |
12.7 |
||
|
160 |
9.1 |
14.6 |
||
|
180 |
31.9 |
50.9 |
||
|
200 |
11.4 |
18.2 |
||
|
225 |
12.8 |
20.5 |
||
|
250 |
14.2 |
22.7 |
||
|
315 |
17.9 |
28.6 |
||
|
400 |
22.8 |
36.4 |
||
|
450 |
25.6 |
40.9 |
||
|
500 |
28.4 |
45.5 |
||
|
560 |
31.9 |
50.9 |
||
|
630 |
35.8 |
57.3 |
||