GYTA53

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产品描述

松套层绞式直埋光缆(GYTA53)

产品描述 Description

GYTA53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。涂塑铝(APL)纵包后挤一层聚乙烯内护套,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. An Aluminum Polyethylene Laminate (APL) is applied around the cable core, which is filled with the filling compound to protect it from water ingress. Then the cable core is covered with a thin PE inner sheath. After the PSP is longitudinally applied over the inner sheath, the cable is completed with a PE outer sheath.

光缆结构图 Cable structure

适用于:管道、架空、直埋 Application:Duct/Aerial/Direct buried

产品特点Characteristics

1、具有很好的机械性能和温度特性
Good mechanical and temperature performance

2、松套管材料本身具有良好的耐水解性能和较高的强度
High strength loose tube that is hydrolysis resistant

3、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

4、良好的抗压性和柔软性
Crush resistance and flexibility

5、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
100% cable core filling

涂塑铝带(APL)防潮层
APL moisture barrier

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

GYTA53光缆符合YD/T 901-2001和IEC 60794-1标准
GYTA53 cable complies with Standard YD/T 901-2001 as well as IEC 60794-1.

光学特性Optical Characteristics

结构参数 Technical Parameters

备注:拉伸力在上表值与1KM缆重值中取较大值。Remark:The value of tensile strength on the table or 1KM cable weight whichever is greater.

储存、使用温度:-40℃至+70℃ Storage/Operating Temperature: -40℃ to +70℃

注Note:

a.型号的后缀Xn表示选用的光纤类型,详见天津长飞鑫茂光纤型号说明;
Suffix Xn denotes fiber type and see details in YOFC(TJ)’s cable illustration

b.套管和光纤的颜色排列见色谱表;
The colour arrangements of fiber and tube are specified in the colour identification table.

c.聚乙烯外护套厚度最小值1.8mm, 内护套厚度最小值0.8mm,
The minimum value of the PE outer sheath thickness is 1.8mm; the minimum value of the PEinner sheath thickness is 0.8mm,

d.更多详细信息请垂询销售代表。
Need more detailed information, please consult the sales representative.

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