層絞式非金屬加強芯鎧裝光纜（GYFTS） Stranded strengthen the core layer of non-metallic sheathed cable (GYFTS)
·产品描述 Description
GYFTS结构是由多根松套管(或部分填充绳）绕中心非金属加强构件绞合成圆整的缆芯，缆芯外纵包阻水带和皱纹钢带并挤上PE护套形成钢-塑粘结护套。松套管是由温度特性好的材料挤成，管中放入具有合适余长的多根单模或多模光纤，并充满防潮光纤用油膏，缆芯所有缝隙均填充有阻水化合物。 GYFTS root structure is more loose tube (or some fillers) stranded around the central synthesis of non-metallic strength member of the cable core round, outside the cable core longitudinally water-blocking tape and corrugated steel, and squeezed into the PE sheath formed of steel - adhesive plastic sheath. Loose tube is extruded from the temperature characteristics of good material, placed in a tube much longer than the appropriate root of single-mode or multimode fiber, and full of moisture ointment optical fiber, cable core gaps are filled with water blocking all compounds.
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
·皱纹钢带铠装层增强了光缆的抗侧压、防弹、防潮性能。 · 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:
- 单根非金属中心加强芯 - Single Fiber Reinforced Plastic 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
·产品标准 Standards
GYFTS 光缆符合 YD/T 901-2001 和 IEC 60794-1 标准 GYFTS cable complies with Standard YD/T 901-2001as well as IEC 60794-1.
·光学特性 Optical Characteristics
G.652 G.655 50/125μm 62.5/125μm
衰减Attenuation
(+20℃) @850nm ≤3.0 dB/km ≤3.0 dB/km
@1300nm ≤1.0 dB/km ≤1.0 dB/km
@1310nm ≤0.36 dB/km ≤0.40 dB/km
@1550nm ≤0.22 dB/km ≤0.23dB/km
带宽(A级)
Bandwidth (Class A) @850nm ≥500 MHz·km ≥200 MHz·km
@1300nm ≥1000 MHz·km ≥600 MHz·km
数值孔径Numerical Aperture 0.200±0.015NA 0.275±0.015NA
光缆截止波长Cable Cut-off Wavelength λcc ≤1260nm ≤1480nm
光缆型号Cable Type 光纤数Fiber Count 套管数
Tubes 填充绳数Fillers 光缆直径
Cable Diameter
mm 光缆重量Cable Weight kg/km 允许拉伸力
Tensile Strength
长期/短期
Long/Short Term N 允许压扁力Crush Resistance
长期/短期
Long/Short Term
N/100mm 弯曲半径
Bending Radius
静态/动态
Static/Dynamic
mm
GYFTS-24芯 24 1 5 10.6 110 400/1000 300/1000 10D/20D
·结构参数 Technical Parameters
储存、使用温度: -40℃ 至 + 70℃Storage/Operating Temperature : -40℃ to + 70℃ |
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