PE-RT地热管材
PE-RT地热管材严格执行GB/T 28799.2-2020标准《冷热水用耐热聚乙烯（PE-RT）管道系统 第2部分：管材》
产品参数
|
公称 |
公称壁厚mm |
|||
|
管系列 |
||||
|
S5 |
S4 |
S3.2 |
S2.5 |
|
|
标准尺寸比 |
||||
|
SDR11 |
SDR9 |
SDR7.4 |
SDR6 |
|
|
20 |
1.9 |
2.3 |
2.8 |
3.4 |
|
25 |
2.3 |
2.8 |
3.5 |
4.2 |
|
32 |
2.9 |
3.6 |
4.4 |
5.4 |
|
40 |
3.7 |
4.5 |
5.5 |
6.7 |
|
50 |
4.6 |
5.6 |
6.9 |
8.3 |
|
63 |
5.8 |
7.1 |
8.6 |
10.5 |
|
75 |
6.8 |
8.4 |
10.3 |
12.5 |
|
90 |
8.2 |
10.1 |
12.3 |
15.0 |
|
110 |
10.0 |
12.3 |
15.1 |
18.3 |
|
125 |
11.4 |
14.0 |
17.1 |
20.8 |
|
140 |
12.7 |
15.7 |
19.2 |
23.3 |
|
160 |
14.6 |
17.9 |
21.9 |
26.6 |
|
180 |
16.4 |
20.1 |
24.6 |
29.9 |
|
200 |
18.2 |
22.4 |
27.4 |
33.2 |
|
225 |
20.5 |
25.2 |
30.8 |
37.4 |
|
250 |
22.7 |
27.9 |
34.2 |
41.5 |
|
280 |
25.4 |
31.3 |
38.3 |
46.5 |
|
315 |
28.6 |
35.2 |
43.1 |
52.3 |
|
355 |
32.2 |
39.7 |
48.5 |
59.0 |
|
400 |
36.3 |
44.7 |
- |
- |
|
450 |
40.9 |
50.3 |
- |
- |
