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给水用聚乙烯(PE)管材
规格型号:dn20mm~dn1200mm
执行标准: GB/T13663.2-2018《给水用聚乙烯(PE)管材》
性能特点:
1.密度小,重量轻,容易搬运和安装;
2.可耐多种化学介质腐蚀;
3.水力性能优越,其磨阻系数仅为0.009;
4.使用寿命长,可达50年以上;
5.连接可靠;
6.高韧性,抗震性能好;
7.较好的抵抗慢速裂纹增长(SCG)和快速裂纹扩展(RCP)的能力。
公称外径dn/mm |
公称壁厚en/mm |
||||
标准尺寸比 |
|||||
SDR33 |
SDR21 |
SDR17 |
SDR13.6 |
SDR11 |
|
公称压力/MPa |
|||||
0.4 |
0.6 |
0.8 |
1.0 |
1.25 |
|
20 |
/ |
/ |
/ |
/ |
●2.0 |
25 |
/ |
/ |
/ |
/ |
2.3 |
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 |
/ |
5.3 |
6.6 |
8.1 |
10.0 |
125 |
/ |
6.0 |
7.4 |
9.2 |
11.4 |
140 |
4.3 |
6.7 |
8.3 |
10.3 |
12.7 |
160 |
4.9 |
7.7 |
9.5 |
11.8 |
14.6 |
180 |
5.5 |
8.6 |
10.7 |
13.3 |
16.4 |
200 |
6.2 |
9.6 |
11.9 |
14.7 |
18.2 |
225 |
6.9 |
10.8 |
13.4 |
16.6 |
20.5 |
250 |
7.7 |
11.9 |
14.8 |
18.4 |
22.7 |
280 |
8.6 |
13.4 |
16.6 |
20.6 |
25.4 |
315 |
9.7 |
15.0 |
18.7 |
23.2 |
28.6 |
355 |
10.9 |
16.9 |
21.1 |
26.1 |
32.2 |
400 |
12.3 |
19.1 |
23.7 |
29.4 |
36.3 |
450 |
13.8 |
21.5 |
26.7 |
33.1 |
40.9 |
500 |
15.3 |
23.9 |
29.7 |
36.8 |
45.4 |
560 |
17.2 |
26.7 |
33.2 |
41.2 |
50.8 |
630 |
19.3 |
30.0 |
37.4 |
46.3 |
57.2 |
710 |
21.8 |
33.9 |
42.1 |
52.2 |
●64.6 |
800 |
24.5 |
38.1 |
47.4 |
58.8 |
●72.7 |
900 |
27.6 |
42.9 |
53.3 |
●66.2 |
●81.8 |
1000 |
30.6 |
47.7 |
59.3 |
●73.5 |
●90.9 |
1200 |
●36.4 |
●57.2 |
●70.6 |
●88.2 |
●109.1 |
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/MPa |
|||||
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 |
●64.6 |
800 |
30.6 |
38.1 |
47.4 |
58.8 |
●72.7 |
900 |
34.4 |
42.9 |
53.3 |
●66.2 |
●81.8 |
1000 |
38.2 |
47.7 |
59.3 |
●73.5 |
●90.9 |
1200 |
●46.2 |
●57.2 |
●70.6 |
●88.2 |
●109.1 |