|
公称外径 dn，mm |
公称壁厚en，mm |
||||
|
标准尺寸比 |
|||||
|
SDR26 |
SDR21 |
SDR17 |
SDR13.6 |
SDR11 |
|
|
公称压力,M pa |
|||||
|
0.6 |
0.8 |
1.0 |
1.25 |
1.6 |
|
|
32 |
— |
— |
— |
— |
3.0 |
|
40 |
— |
— |
— |
— |
3.7 |
|
50 |
— |
— |
— |
— |
4.6 |
|
63 |
— |
— |
— |
4.7 |
5.8 |
|
75 |
— |
— |
4.5 |
5.6 |
6.8 |
|
90 |
— |
4.3 |
5.4 |
6.7 |
8.2 |
|
110 |
4.2 |
5.3 |
6.6 |
8.1 |
10.0 |
|
125 |
4.8 |
6.0 |
7.4 |
9.2 |
11.4 |
|
140 |
5.4 |
6.7 |
8.3 |
10.3 |
12.7 |
|
160 |
6.2 |
7.7 |
9.5 |
11.8 |
14.6 |
|
180 |
6.9 |
8.6 |
10.7 |
13.3 |
16.4 |
|
200 |
7.7 |
9.6 |
11.9 |
14.7 |
18.2 |
|
225 |
8.6 |
10.8 |
13.4 |
16.6 |
20.5 |
|
250 |
9.6 |
11.9 |
14.8 |
18.4 |
22.7 |
|
280 |
10.7 |
13.4 |
16.6 |
20.6 |
25.4 |
|
315 |
12.1 |
15.0 |
18.7 |
23.2 |
28.6 |
|
355 |
13.6 |
16.9 |
21.1 |
26.1 |
32.2 |
|
400 |
15.3 |
19.1 |
23.7 |
29.4 |
36.3 |
|
450 |
17.2 |
21.5 |
26.7 |
33.1 |
40.9 |
|
500 |
19.1 |
23.9 |
29.7 |
36.8 |
45.4 |
|
560 |
21.4 |
26.7 |
33.2 |
41.2 |
50.8 |
|
630 |
24.1 |
30.0 |
37.4 |
46.3 |
57.2 |
|
710 |
27.2 |
33.9 |
42.1 |
52.2 |
— |
PE管性能：
|
序 号 |
项 目 |
要 求 |
|
1 |
颜色 |
黑色 |
|
2 |
外观 |
内外光滑，无异色 |
|
3 |
断裂伸长率 |
≥350% |
|
4 |
纵向回缩率 |
≤3 |
|
5 |
液压强度（80℃，4.6MPa，165h） |
无渗漏，无破裂 |
|
6 |
氧化诱导 |
≥20min |
