BIRLA CABLE LTD.
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FIBRE OPTIC CABLES > UNDERGROUND DUCT > METALLIC > UNI-TUBE

2F-24F SINGLE SHETH CENTRAL-TUBE
ARMOURED OPTICAL FIBRE CABLE

Applications

  • In areas where high mechanical load is required
  • Suitable in area of rodent menace
  • Direct burial & Inside duct - PE Outer Sheath
  • Inside duct - FR PVC / HFFR / LSZH Outer Sheath
Ipsum

Typical Cross section of 24 Fibre

Cable Construction Details

  • Up to 24 enhanced low water peak single mode fibres in full compliance with ITU-T-G.652.D (also available with G655 / G656 / G657 SM Fibre and OM1 / OM2 / OM3 & OM4 MM Fibre)
  • Metallic anti-buckling steel rod as strength member. Embedded in outer sheath (also available with non metallic strength member FRP rod)
  • Loose buffer tubes fully filled with Thixotropic Jelly and Fibres centrally place in the cable
  • Water blocking tape wrapping over the tube
  • Electrolyte chrome plated, corrugated steel tape armoured
  • UV Stabilized PE Outer sheath, black (also available with FR PVC & HFFR

Technical Characteristics

FIBRE COUNT DIAMETER (mm) Nominal WEIGHT (Kg./Km) Nominal TENSILE STRENGTH (N) BENDING RADIUS (mm) TEMPERATURE RANGE
(IEC 60794-1-2-F1)
Installation Operation Installation Operation Installation Operation
12F 8.0 80 2000 1000 10D 20D -10° to +50° C -40° to +70° C
24F 8.5 85 2000 1000 10D 20D -10° to +50° C -40° to +70° C

Colour Coding - Fibre & Tube

Blue Orange Green Brown Grey White Red Black Yellow Violet Pink Aqua

We provide Black ring mark over fibre in case of more than 12F in single tube

Special Features

  • Lighter weight cable for faster and easier installation
  • Robust construction.
  • Corrugated steel tape acts as protection against rodents and mechanical protection

Drum Length

  • 2000/ 3000/ 4000meters ± 5%

Mechanical Characteristics

Repeated Bending [IEC 60794-1-21-E6] 30 Cycle, r= 20 X D, 5 Kg Load, D = Cable Diameter
Torsion Resistance [IEC 60794-1-21-E7] 10 Cycle (± 180°), 5 Kg Weight, L= 2 Mtr
Crush Resistance [IEC 60794-1-21-E3A] 1000 N /(100 X 100 mm) for 60 sec
Impact Resistance [IEC 60794-1-21-E4] 5 Nm, 3 Nos
Kink Resistance [IEC 60794-1-21 E10] 10 x D, D = Cable Diameter
Water Penetration [IEC 60794-1-22-F5 B] 1 Meter Water Head, 3 Meter Cable Sample, 24 Hours