- 钢骨架塑料复合管
钢骨架塑料复合管
中文名
钢骨架塑料复合管
特点
管壁内用钢丝网或钢板孔网增强
基体
高密度聚乙烯
基本内容
规格尺寸在管壁内用钢丝网或钢板孔网增强的塑料复合管的统称。这种新型管道是用高强度过塑钢丝网骨架和热塑性[1]塑料聚乙烯为原材料，钢丝缠绕网作为聚乙烯塑料管的骨架增强体，以高密度聚乙烯（HDPE）为基体，采用高性能的HDPE改性粘结树脂将钢丝骨架与内、外层高密度聚乙烯紧密地连接在一起，使之具有优良的复合效果。因为有了高强度钢丝增强体被包覆在连续热塑性塑料之中，因此这种复合管克服了钢管和塑料管各自的缺点，而又保持了钢管和塑料管各自的优点。钢丝网骨架塑料复合管，采用了优质的材质和先进的生产工艺，使之具有更高的耐压性能。同时，该复合管具有优良的柔性，适用于长距离埋地用供水、输气管道系统。钢丝网骨架聚乙烯复合管采用的管件是聚乙烯电熔管件。连接时，利用管件内部发热体将管材外层塑料与管件内层塑料熔融，把管材与管件可靠地连接在一起。
规格尺寸
（ mm ）
| 公称外径 （dn）/mm | 公称压力/MPa | |||||||
| 0.8 | 1.0 | 1.25 | 1.6 | 2.0 | 2.5 | 3.5 | ||
| 基本尺寸 | 极限偏差 | 公称壁厚及极限偏差 | ||||||
| 50 | +1.2 0 |
4.5+1.0 0 |
5.0+1.2 0 |
5.5+1.5 0 |
5.5+1.5 0 |
|||
| 63 | +1.2 0 |
4.5+1.0 0 |
5.0+1.2 0 |
5.5+1.5 0 |
5.5+1.5 0 |
|||
| 75 | +1.2 0 |
5.0+1.2 0 |
5.5+1.2 0 |
5.5+1.5 0 |
6.0+1.5 0 |
|||
| 90 | +1.4 0 |
5.5+1.5 0 |
5.5+1.5 0 |
5.5+1.5 0 |
6.0+1.5 0 |
|||
| 110 | +1.5 0 |
5.5+1.5 0 |
5.5+1.5 0 |
7.0+1.5 0 |
7.0+1.5 0 |
7.5+1.5 0 |
8.5+1.5 0 |
|
| 140 | +1.7 0 |
5.5+1.5 0 |
5.5+1.5 0 |
8.0+1.5 0 |
8.5+1.5 0 |
9.0+1.5 0 |
9.5+1.5 0 |
|
| 160 | +2.0 0 |
6.0+1.5 0 |
6.0+1.5 0 |
9.0+1.5 0 |
9.5+1.5 0 |
10.0+2.0 0 |
10.5+2.0 0 |
|
| 200 | +2.3 0 |
6.0+1.5 0 |
6.0+1.5 0 |
9.5+1.5 0 |
10.5+2.0 0 |
11.0+2.0 0 |
12.5+2.2 0 |
|
| 225 | +2.3 0 |
8.0+1.5 0 |
8.0+1.5 0 |
10.0+2.0 0 |
10.5+2.0 0 |
11.0+2.0 0 |
||
| 250 | +2.5 0 |
8.0+1.5 0 |
10.5+2.0 0 |
10.5+2.0 0 |
12.0+2.0 0 |
12.0+2.2 0 |
12.5+2.2 0 |
|
| 315 | +2.7 0 |
9.5+1.5 0 |
11.5+2.0 0 |
11.5+2.0 0 |
13.0+2.5 0 |
13.0+2.5 0 |
||
| 355 | +2.8 0 |
10.0+1.8 0 |
12.0+2.2 0 |
12.0+2.2 0 |
14.0+2.5 0 |
|||
| 400 | +3.0 | 10.5+2.0 0 |
12.5+2.2 0 |
12.5+2.2 0 |
15.0+2.8 0 |
|||
| 450 | +3.2 0 |
11.5+2.0 0 |
13.5+2.5 0 |
13.0+2.5 0 |
16.0+2.8 0 |
|||
| 500 | +3.2 0 |
12.5+2.2 0 |
15.5+2.8 0 |
15.5+2.8 0 |
18.0+3.0 0 |
|||
| 560 | +3.2 0 |
17.0+3.0 0 |
20.0+3.0 0 |
|||||
| 630 | +3.2 0 |
20.0+3.0 0 |
23.0+3.0 0 |
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