|
中国城镇建设行业标准CJ/T136-2001给水村塑复合钢管 |
|
Steel Pipes of Lining plasteic for water supply |
|
理化性能 |
|
physical and Chemical Property |
|
项目 |
冷水用衬塑钢管 |
热水用衬塑钢管 |
|
project |
plastic inner lining steel pipe for cold water |
plastic inner lining steel pipe for hot water |
|
结合强度 bond strength |
>0.2Mpa(20N/c㎡) |
>1.0Mpa(100N/c㎡) |
|
弯曲试验（公称口径≤50mm) |
不发生裂痕，钢塑不分离 |
不发生裂痕，钢塑不分离 |
|
Bend experiment(NB≤50mm) |
no crack,steel plastic not separation |
no crack,steel plastic not separation |
|
压扁试验（公称口径≥65mm) |
不发生裂痕，钢塑不分离 |
不发生裂痕，钢塑不分离 |
|
stave experiment(NB≤65mm) |
no crack,steel plastic not separation |
no crack,steel plastic not separation |
|
卫生性能试验 |
符合GB/T17219的要求 |
符合GB/T17219的要求 |
|
sanitation capability experiment |
meet the request of GB/t1721 |
meet the request of GB/t1721 |
|
耐冷热循环性能 |
|
三个周期冷热循环试验，衬 |
|
塑层无变形裂纹等，其结合 |
|
cold and hot resistant circulation property |
强度不低于1.0Mpa |
|
|
|
Three time cold and hot circulation experiment.Plastic lining not flaw and distortionthe bond strength is not under 1.0Mpa |
|
|
|
|
|
|
|
尺寸规格（mm） |
|
Product specification size |
|
公称口径 |
公称外径 |
钢管壁厚 |
内衬塑料管厚度 |
钢管长度 |
|
Norminal diameter |
Norminal bore |
Wall thickness |
Plastic pipe wall thickness |
Length |
|
15 |
21.3 |
2.8 |
1.5±0.2 |
6000 |
|
20 |
26.9 |
2.8 |
1.5±0.2 |
6000 |
|
25 |
33.7 |
3.2 |
1.5±0.2 |
6000 |
|
32 |
42.4 |
3.5 |
1.5±0.2 |
6000 |
|
40 |
48.3 |
3.5 |
1.5±0.2 |
6000 |
|
50 |
60.3 |
3.8 |
1.5±0.2 |
6000 |
|
65 |
76.1 |
4.0 |
1.5±0.2 |
6000 |
|
80 |
88.9 |
4.0 |
2.0±0.2 |
6000 |
|
100 |
114.3 |
4.0 |
2.0±0.2 |
6000 |
|
125 |
139.7 |
4.0 |
2.0±0.2 |
6000 |
|
150 |
165（168.3） |
4.5 |
2.5±0.2 |
6000 |
|
200 |
219 |
4.5 |
2.5±0.2 |
6000 |