用途：1. 市政城镇供水；2. 食品、化工领域；3. 矿砂、泥浆输送；4. 置换水泥管、铸铁管和钢管；5. 园林绿化管网；6. 地源热泵工程。
特性：1. 连接可靠；2. 低温抗冲性良好；3. 抗应力开裂性良好；4. 耐化学腐蚀性良好；5. 耐老化，使用寿命长；6. 耐磨性好；7. 可绕性好；8.水流阻力小；9. 搬运方便；10. 施工方式多种性能优良。
物理力学指标：
|
项目 |
指标 |
|
|
断裂伸长率% |
≧350 |
|
|
纵向回缩率（110℃）% |
≦3 |
|
|
氧化诱导时间（200℃）min |
≧20 |
|
|
耐候性 （管材累计接受3.5G/㎡老化能量后） |
80℃静液压强度165h |
不破裂、不渗漏 |
|
断裂伸长率% |
≧350 |
|
|
氧化诱导时间（200℃）min |
≧10 |
|
管材主要参数：
|
PE80级管材公称压力和规格尺寸 |
|||||
|
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 |
- |
- |
- |
- |
- |
|
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 |
|
PE100级管材公称压力和规格尺寸 |
|||||
|
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 |
