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  • 埋地用双高筋增强HDPE缠绕管.jpg

埋地用双高筋增强HDPE缠绕管

所属分类:

排水排污管系列


产品特点

PP骨架增强HDPE螺旋波纹管是以高密度聚乙烯(HDPE) 基体,聚丙烯(PP)为骨架支撑结构,经挤出、缠绕和包覆等工艺成型的一种缠绕结构壁管。管材外表面积大,管土共同抗压性能强,采取双层内壁、PP为骨架支撑结构,管材环刚度稳定性好、刚度强,同时双层内壁增强了管材拉伸强度。

产品详情


埋地用双高筋增强聚乙烯(HDPE)缠绕管是目前市场上最新研发出来的全塑PP增强缠绕管。管材以高密度聚乙烯(HDPE)为主要原料,以两条相对称的聚丙稀(PP) 定向弯曲PP管作为辅助支撑结构,在熔融状态下高密度聚乙烯把PP管包覆并熔合成一体后,缠绕在高密度聚乙烯本体管外壁制成的一种全塑、高环刚度的柔性管。PP双高筋结构,有利于提高环刚度及稳定性,同时解决了缠绕管波纹处预应力集中的缺陷。熔接效果好,增强缝的拉伸强度。管材具有较大的外表面积,形成管土共同抗压的作用。

 

产品优点

增强缝的拉伸强度

双高筋增强聚乙烯(HDPE)缠绕管采用熔融的热态缠绕工艺,解决了其他聚乙烯缠绕管采用水冷弯曲缠绕工艺无法消除的缠绕管波纹处预应力集中的缺陷;同时大大增强缝的拉伸强度,使得管材具有更强的抗拉力。

管土共同抗压

高筋的截面呈现类直角梯形,此结构及其定向弯曲结构的创新设计,比传统圆形的PP单壁波纹管的结构高度高,使得管材环刚度更高,同时结构高度大的外波纹形结构具有大的外表面积,有利于形成管土共同抗压。

零渗漏

双高筋之间形成直立的内肋使得PP双高筋间形成相互支撑,并连续缠绕整根管,能够极大提高波峰的结构及环刚度的稳定性,增强了管材的韧性和抗蠕变性。

冲击性

双高筋及内肋连续缠绕整条管,使得外部荷载迅速而彻底地分解传递到整条管线中去,最大限度地降低外部荷载对管材自身的冲击性影响。

抗横向拉力

双高筋中间的直立加强肋粘接面宽厚且结构最高,大大增强缝的拉伸强度,使得管材具有更强的抗横向拉力。

零渗漏

双高筋增强聚乙烯( HDPE )缠绕管采用承插胶圈密封柔性连接及承插电热熔连接能满足不同施工环境的需求,并达到零渗漏。

 

产品名称 埋地用双高筋增强HDPE缠绕管 执行标准 GB/T19472.2-2017 T/GDC 19-2019
环刚度 SN8≥8kN/m² 
 SN12.5≥12.5kN/m² 
公称内径 200 225 300 400 500 600 700
800 900 1000 1100 1200 1300 1400
1500 1600 1700 1800 1900 200 /
连接方式 承插式电热熔连接 承插式胶圈密封连接,双承插式胶圈密封连接、节流式承插式胶圈密封连接等
管材长度 6米/根

 

物理性能
项目 指标
冲击强度(TIR) ≤10%
环柔性 试样圆滑,无反向弯曲,无破裂,试样沿肋切割处
烘箱试验 熔接处应无分层,无开裂
灰分 ≤2%
氧化诱导时间OIT ≥35min
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