Unitube Design

Smartcore Steel Armoured Cable -

Unitube Design


Direct Burial Cable is designed to be placed directly under the ground either by trenching or ploughing. The metallic cable is armoured with corrugated steel tape that provides good protection against rodents and allows the cable to retain outstanding flexibility for easy installation. The cable design is available in unitube (up to 24 fibres) and multitube single sheathed/ double sheathed construction (up to 96 fibres).

Loose tube containing fibres and jelly is centrally located and additional glass reinforcements are applied to provide high tensile strength and cushion loose tube. Armour of corrugated steel tape provides high crush resistance & tensile strength. Steel wire strength members are embedded in HDPE sheath to provide extra tensile strength.

  • The corrugated steel tape is co-polymer coated at both sides.
  • ECCS Tape armouring provides excellent rodent /rough terrain protection.
  • Meets IEC 60794, EIA/TIA, ITU-T, EN 187000, RUS 1755.900 & Telecodia GR-20 International standards.

Options Available

  • LSZH/FRPE as outer Jacketing Available.
  • Customized designs are available on request.
  • Fibre options: SM (G652B/D, G655 & G657), MM (OM1, OM2 & OM3)
  • Dry core construction (non jelly) is optional.
  • Rip Cord is optional.
  • Composite of various types of fibres (SM & MM).
  • Metallic central strength member option available.
  • Higher fibre count cable designs are available on request.
Part Number Fibre Count Diameter (mm) Nominal Weight (kg/Km) Nominal Tensile Strength
CrushH Rreistance (N/10cm) Bending Radius
  Installation (Short Term) Operating (Long Term)   Temporary (10 x D of Cable) Dynamic Permanant (20 x D of Cable) Static
B-12/SM/UT (2W & G)CCSTP-B9.0 UP TO 12 9.0 85 2000 1000 4000 90 180
B-24/SM/UT(2W & G)-CCSTP-B10.0 14 TO 24 10.0 100 2000 1000 4000 100 200

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