中心管式非金属非铠装光缆（GYFXY）详细介绍·产品描述DescriptionGYFXY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。松套管外加阻水材料以保证光缆纵向阻水，两侧放置两根平行玻璃纤维增强塑料（FRP）后挤制聚乙烯护套成缆。Thefibers,250μm,arepositionedinaloosetubemadeofahighmodulusplastic.Thetubesarefilledwithawater-resistantfillingcompound.Overthetube.water-blockingmaterialisappliedtokeepthecablewatertight.TwoparallelFiberReinforcedPlastics(FRP)areplacedatthetwoside.Thecableiscompletedwithapolyethylene(PE)sheath.·产品特点Characteristics·具有良好的机械性能和温度性能·Goodmechanicalandtemperatureperformance·松套管材料本身具有良好的耐水解性能和较高的强度·Highstrengthloosetubethatishydrolysisresistant·管内充以特种油膏，对光纤进行了关键性保护·Specialtubefillingcompoundensureacriticalprotectionoffiber·两根平行FRP保证光缆的抗拉强度·TwoparallelFRPsensuretensilestrength·PE护套具有很好的抗紫外辐射性能·PEsheathprotectscablefromultr***ioletradiation·直径小、重量轻、容易敷设·***alldiameter,lightweightandfriendlyinstallation·较长的交货长度·Longdeliverylength·产品标准Standa***GYFXY光缆符合YD/T769-2003标准GYFXYcablecomplieswithStandardYD/T769-2003.·光学特性OpticalCharacteristicsG.652G.65550/125μm62.5/125μm衰减Attenuation(+20℃)@850nm≤3.0dB/km≤3.0dB/km@1300nm≤1.0dB/km≤1.0dB/km@1310nm≤0.36dB/km≤0.40dB/km@1550nm≤0.22dB/km≤0.23dB/km带宽(***)Bandwidth(ClassA)@850nm≥500MHz·km≥200MHz·km@1300nm≥1000MHz·km≥600MHz·km数值孔径NumericalAperture0.200&plu***n;0.015NA0.275&plu***n;0.015NA光缆截止波长CableCut-offW***elengthλcc≤1260nm≤1480nm·结构参数TechnicalParameters光缆型号CableType(以2纤递增)(Increasedby2fibers)光纤数FiberCount光缆直径CableDiametermm光缆重量CableWeightkg/km允许拉伸力TensileStrength长期/短期Long/ShortTermN允许压扁力CrushResistance长期/短期Long/ShortTermN/100mm弯曲半径BendingRadius静态/动态Static/DynamicmmGYFXY-2~122~1210.2100400/1000300/100010D/20D储存、使用温度:-40℃至+70℃Storage/OperatingTemperature:-40℃to+70℃)