自承式架空光缆—自承式架空光缆（GYTC8A）

自承式架空光缆（GYTC8A）

    适用于：管道、架空、直埋。它的结构是:将250µm光纤套入高模材料制成的松套管中，松套管内填充防水化合物。缆芯的中心是一根金属加强芯，松套管（和填充绳）围绕中心加强芯绞合成紧凑和圆形的缆芯。缆芯用一层涂塑铝带（APL）纵包后，和钢丝绞线集成到一个8字型的聚乙烯护套内。

The fibers, 250µm, are itioned in a loose tube made of a high modulus lastic. The tubes are filled with a water-resistant filling compound. A steel ire locates in the center of core as a metallic strength member. The tubes (and fillers) are stranded around the strength member into a compact and circular cable core. After an Aluminum Polyethylene Laminate (APL) moisture
barrier is applied around the cable core, this part of cable accompanied with the stranded wires as the supporting part are completed with a polyethylene(PE) sheath to be figure 8 structure. YOFC（SH）figure 8 cable GYTC8Y, GYTC8S are also available on request. This type ofcable is specifically applied for self-supporting aerial installation.

产品结构描述 Product schema
<松套管：由高模PBT材料制成，内含光纤及防水复合物
  Loose tube: Made of a high modulus plastic. The tubes are fulled with fibers and a water-resistant filling

  compound.
<缆 芯：由松套管（和填充绳）围绕中心加强芯绞合成紧凑的圆形缆芯，缆芯内的缝隙充以阻水填充物。加强芯是一根金属钢

  丝。
  Cable core：Tubes(and fillers) are stranded around the strength member into a compact and circular cable core

  which is filled with thefilling compound to protect it from water ingress. The strength member is a metallic

  strength member..
<护  套：缆芯用一层涂塑铝带（PAP）纵包后，和钢丝绞线集成到一个8字型的聚乙烯护套内。
  Sheath：After An Aluminum Polyethylene Laminate(APL)is applied around the cable core, this part of cable

  accompanied with thestranded wires as the supporting part are completed with a polyethylene(PE) sheath to be

  figure 8 structure.

产品特点 Characteristics
<精密的余长控制，光缆具有良的机械性能和温度特性
  Good mechanical and temperature performance
<松套管材料本身具有良好低水解性能和较高的强度
  High strength loose tube that is hydrolysis resistant
<松套管内及缆芯内充以特种油膏确保光缆的阻水性能
  Special tube and core filling compound ensure the cable watertight
<特别设计的紧密的光缆结构，有效防止套管回缩
  Specially designed compact structure is good at preventing loose tubes
  from shrinking
<PE护套具有很好的抗紫外线辐射性能
  PE sheath protects cable from ultraviolet radiation

结构参数 Technical Parameters

储存、使用温度：﹣40℃to ﹢70℃

Storage/Operating Temperature:﹣40℃to ﹢70℃

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