产品特点
gysty53型层绞式光缆中心以单根磷化钢丝作为加强构件,周围以sz绞方式紧密排列着内含多芯光纤及油膏的松套管,松套管的间隙充满阻水油膏,外包阻水包带,用优质黑色聚乙烯内护套。纵包轧纹钢带铠装,聚乙烯外护套。本光缆全截面阻水,具有低损耗、低色散的优点,适用于长途通信线路及市内接入网,局域网通信的管道或架空敷设。
主要技术参数
gysty53型
通信用室(野)外填充式 filled communicationused outdoor
松套管护层
层绞双护层
loose tube standed double guard-coat
光缆 fiber cable
光缆芯数(根) no. of fiber
2-114
光缆外径 outer dia.
13-19
光缆数目×直径 no of steel wire×diameter
1×2.2 1×2.5 7×1
抗拉力(n)短期 tensil strength resistance(shortterm)
≥3000
抗侧压(n/100mm2) s.p.resistance
≥3000
crusit resistance
10n.m×10次
允许弯曲半径(动态) permissible bending radius
25倍光缆外径
25 times as outer dia. of fiber cable
温度特性 temperature
-40℃~+60℃范围内光缆附加损耗
-40℃~+60℃ range the additional
loss of fiber cable a≤0.1db/2km
重量(kg/km) weight
280-400
纵向阻水性能 longitudinal waterproof
1米高水柱24h后3m试样无水渗出
no water seepage for 3m samples in 1m water head for 24h
特征 properties
适合大芯数任意组合,抗侧压,防水性能好,适合管道架空敷设
suitble for multi-core arbitrary combination, resistance to side pressure, better waterproof, easy for duct, overhead laying