层绞式非金属加强芯光缆（GYHTY）详细介绍·产品描述DescriptionGYHTY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。缆芯的中心是一根玻璃纤维增强塑料（FRP），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油膏后挤制聚乙烯内护套，再包上一层芳纶后挤制聚乙烯外护套成缆。Thefibers,250μm,arepositionedinaloosetubemadeofahighmodulusplastic.Thetubesarefilledwithawater-resistantfillingcompound.AFiberReinforcedPlastic(FRP)locatesinthecenterofcoreasanon-metallicstrengthmember.Thetubes(andfillers)arestrandedaroundthestrengthmemberintoacompactandcircularcore.Afterthecablecoreisfilledwithfillingcompound,itiscoveredwiththinPE(polyethylene)innersheath.Then,alayerofaramidyarnisappliedasadditionalstrengthmemberandthecableiscompletedwithapolyethylene(PE)outersheath.·产品特点Characteristics·具有很好的机械性能和温度特性·Goodmechanicalandtemperatureperformance·芳纶加强元件使光缆具有更强的抗拉性能·Aramidyarnstrengthmemberensuresgoodperformanceoftensilestrength·松套管材料本身具有良好的耐水性能和较高的强度·Highstrengthloosetubethatishydrolysisresistant·管内充以特种油膏，对光纤进行了关键性保护·Specialtubefillingcompoundensureacriticalprotectionoffiber·良好的抗压性和柔软性·Crushresistanceandflexibility·采用下列措施来确保光缆的防水性能：·Thefollowingmeasuresaretakentoensurethecablewatertight:-单根非金属中心加强芯-SingleFiberReinforcedPlasticasthecentralstrengthmember-松套管内填充特种防水化合物-Loosetubefillingcompound-完全缆芯填充-100%cablecorefilling·产品标准Standa***GYHTY光缆符合YD/T901-2001和IEC60794-1标准GYHTYcablecomplieswithStandardYD/T901-2001aswellasIEC60794-1.·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光纤数FiberCount套管数Tubes填充绳数Fillers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/DynamicmmGYHTY-2~6芯2~61511.0100600/1500300/100010D/20DGYHTY-8~12芯8~122411.0100600/1500300/100010D/20DGYHTY-14~18芯14~183311.0100600/1500300/100010D/20DGYHTY-20~24芯20~244211.0100600/1500300/100010D/20DGYHTY-26~30芯26~305111.0100600/1500300/100010D/20DGYHTY-32~36芯32~366011.0100600/1500300/100010D/20D储存、使用温度:-40℃至+70℃Storage/OperatingTemperature:-40℃to+70℃)