Specs and Techs: Heavy Duty Duct Cable

Description:

Duct cables are designed considering the ease of installation required for the cables to be blown in duct systems. In this cable, optical fibres and filling gel is placed inside buffer tubes. The core is constructed by stranding the buffer tubes around FRP rod, the central strength member. For dual Layer another layer of buffer tubes are stranded over core. Water Swellable Yarn is provided over FRP Rod and core is wrapped with water swellable tape. The core is then covered with outer HDPE sheathing which protects the cable from the external environment. Ripcords are provided under the jacket for ease of entry.

Application:

  • Underground duct and lashed aerial
  • Trunk, Distribution, Feeder Cables
  • Local loop, Metro and Long Haul

Features:

  • Available with up to 288 Fibre
  • Multiple Fibre types including hybrids
  • Wet Core Standard (Optional)
Parameter Dimensions / Layout   Type
Fibre Count 4F 6F 8F 12F 24F 36F 48F 72F 96F 144F 288F
Numbers of fibres
per tube
2 2 4 4 4 6 8 12 12 12 12 Glass Fibre
Number of loose
tubes
2 3 2 3 6 6 6 6 8 12 9+15 PBTP
Loose tube
ID/OD (mm)
1.2/1.8 1.2/1.9 1.4/2.0 2.2 PBTP
Central Strength
Member (mm)
1.9 2.0 2.1 2.3 2.5mm PE coated to
3.5mm
3.5mm PE
coated to
6.3mm
3.0mm PE coated tp
4.2mm
FRP Rod
Moisture Barrier Over FRP Rod Water Swellable
Yarn
Core
Wrapping
Over SZ Core Water
Swellable
Yarn
Outer
Sheath
1.5mm (Nominal) HDPE – Black
Number of
Ripcords
2 Polyester
Cable Diameter 8.8 +/- 0.5mm 9.1 +/- 0.5mm 9.5 +/- 0.5mm 10.0 +/- 0.5mm 11.5 +/- 0.5mm 14.0 +/- 0.5mm 17.0 +/- 1mm
Cable Weight/km 60+/- 10kg/km 65 +/- 10kg/km 70 +/- 10kg/km 80 +/- 10kg/km 100 +/- 10kg/km 160 +/- 15 kg/km 210 +/- 20 kg/km

Colour Codes for Fibre and Tube

download specsheet

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