Double Sheath Kevlar Yarn Reinforce ADSS Fiber Optic Cable

ADSS cable is loose tube stranded. Fibers, are positioned into a loose tube made of high modulus plastics. The tubes are filled with a water-resistant filling compound. The tubes (and fillers) are stranded around a FRP (Fiber Reinforced Plastic) as a non-metallic central strength member into a compact and circular cable core. After the cable core is filled with filling compound. it is covered with thin PE (polyethylene) inner sheath. After stranded layer of aramid yarns are applied over the inner sheath as strength member, the cable is completed with PE or AT (anti-tracking) outer sheath.

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• The actual status of overhead power lines is taken into full consideration when ADSS cable is being designed.
• For overhead power lines under 110kV, PE outer sheath is applied.
• For power lines equal to or over 110kV, AT outer sheath is applied.
• The dedicate design of aramid quantity and stranding process can satisfy the demand on various spans.


• It can be installed without shutting off the power.
• Light weight and small diameter reducing the load caused by ice and wind and the load on towers and backprops.
• The design life span is 30 years.
• Good performance of tensile strength and temperature.

Double Sheath Kevlar Yarn Reinforce ADSS Fiber Optic Cable-01

Technical Parameters

Nominal design parameters

NO. of fibers 6 12 24 48 72 96 144
No. of tubes 1 2 4 4 6 8 12
Filler rod 5 4 2 2 0 0 0
fibers per tube 6 6 6 12 12 12 12
Nom. tube diameter (±0.2mm) 2 2 2.0 2.0 2.0 2.0 2.0
Nom. diameter (±0.5mm) 12.2 12.2 12.2 12.2 12.2 14.0 16.0
Loose tube Material PBT Color Standard spectrum
Filler rod Material PP Color Black
Maximum tensile strength 4000N
Maximum crush load 3000N/100mm
Minimun bending radius 10D
Span length 100m – 120m
Out sheath material PE
Temperature range -20℃ ~ 70℃

Fiber characteristics

Fiber type Unit SM G652D MM 50/125 MM 62.5/125
Condition mm 1310/1550 850/1300 850/1300
Attenuation dB/km ≤0.36/0.24 ≤3.0/1.5 ≤3.0/1.5
Cladding diameter um 125±1 125±1 125±1
Cladding non-circularity % ≤1.0 ≤1.0 ≤1.0
Coating diameter um 242±7 242±7 242±7
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