深圳光缆室外层绞式地埋光缆GYTY53

·产品描述 description

gyty53 光缆的结构是将 250μm 光纤套入高模量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，对于某些芯数的光缆来说，金属加强芯外还需要挤上一层聚乙烯（pe）。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，缆芯内的缝隙充以阻水填充物。缆芯外挤上一层聚乙烯内护套，双面涂塑钢带（psp）纵包后挤制聚乙烯护套成缆。

the fibers, 250μm, are positioned in a loose tube made of a high modulus plastic. the tubes are filled with a water-resistant filling compound. a steel wire, sometimes sheathed with polyethylene (pe) for cable with high fiber count, locates in the center of core as a metallic strength member. tubes (and fillers) are stranded around the strength member into a compact and circular cable core. the cable core is filled with the filling compound to protect it from water ingress, over which a thin pe inner sheath is applied. after the psp is longitudinally applied over the inner sheath, the cable is completed with a pe outer sheath.

·产品特点 characteristics

        · 具有很好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的耐水性能和较高的强度
        · high strength looes tube that is hydrolysis resistant

        · 管内充以特种油膏，对光纤进行了关键性保护
        · special tube filling compound ensure a critical protection of fiber

        · 良好的抗压性和柔软性
        · crush resistance and flexibility

        · 采用下列措施来确保光缆的防水性能：
        · the following measures are taken to ensure the cable watertight:

                - 单根钢丝中心加强芯
                - steel wire used as the central strength member

                - 松套管内填充特种防水化合物
                - loose tube filling compound

                - 完全缆芯填充
                - cable core filling

                - 双面涂塑钢带（psp）提高光缆的抗透潮能力
                - psp enhancing moisture-proof

                - 良好的阻水材料防止光缆纵向渗水
                - water-blocking material

·产品标准 standards

        gyty53 光缆符合 yd/t 901-2001 和 iec 60794-1 标准
        gyty53 cable complies with standard yd/t 901-2001as well as iec 60794-1.

·光学特性 optical characteristics