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    Central Loose Tube Ribbon Fiber Cable

    Application

    This cable can provide excellent transmission performance and protection of fibers in a variety of field environments. It is usually used in long haul communication system, subscriber network system, distribution, feeder network system and local area network system.

    Description

    Central loose tube cable contains one tube with 12 fiber ribbons, which is filled with water blocking gel. The fiber ribbon can be easily separated by hand tool. Either aramid yarn or fiber glass is wound around the tube to provide physical protection and tensile strength. The cable can be jacketed with either PE, PVC or LSZH though PE is the preferred option for water protection purpose. For direct burial, steel wire armour or corrugated steel tape armour is applied with an optional inner jacket of either PVC or PE. An optional Aluminium moisture tape can be incorporated under the jacket for water blocking and shielding purpose. An optional ripcord can be put under the jacket to facilitate jacket removal.

    Construction

     

     

    Fiber Count Nominal Weight(kg/km) Nominal Weight(lb/kft) Nominal Outer Diameter(mm) Nominal Outer Diameter(in) Maximum Pulling Load
    Installation(N/Ib) In Service(N/Ib)
    12-96 166.0 111.41 16.2 0.637 2670/600 890/200
    108-144 208.0 139.60 18.5 0.727 2670/600 890/200
    156-216 244.0 163.76 20.5 0.806 2670/600 890/200

    Physical Properties

    Construction

     

     

    Fiber Count Nominal Weight(kg/km) Nominal Weight(lb/kft) Nominal Outer Diameter(mm) Maximum Pulling Load
    Installation(N/Ib) In Service(N/Ib)
    12-96 233.0 156.38 14.8 2670/600 890/200
    108-144 276.0 185.23 16.1 2670/600 890/200
    156-216 316.0 212.08 17.1 2670/600 890/200

    Physical Properties

    Mechanical Properties

    Minimum Bending Radius:   Maximum Compressive Load: 3000N
    Under installation: 20×OD Repeated Impact: 4.4 N.m (J)
    During operation 10×OD for unarmoured cables Twist (Torsion): 180×10 times, 125×OD
      20×OD for armoured cables Cyclic Flexing: 25 cycles for armoured cables.
    Temperature Range:     100 cycles for unarmoured cables.
    Operating Temperature Range: -40℃(-40℉) to +70℃(+158℉) Crush Resistance: 263N/cm (150lb/in)
    Storage Temperature Range: -50℃(-58℉) to +70℃(+158℉)    

    Fiber Compliance

    Temperature Cycling 
    Tensile Strength 
    Crush 
    Impact 
    Repeated Bending 
    Torsion 
    Kink 
    Cable Bend 
    Cool Bend
    IEC60794-1-2-F2 
    IEC60794-1-2-E1A
    IEC60794-1-2-E3 
    IEC60794-1-2-E4 
    IEC60794-1-2-E6 
    IEC60794-1-2-E7 
    IEC60794-1-2-E10 
    IEC60794-1-2-E11 
    IEC60794-1-2-E11

    Safety Compliance

    General Purpose Grade Flammability Test: OFN (UL1581)
    Riser Grade Flammability Test: OFNR/FT4 (UL1666)
    Plenum Grade Flammability Test: OFNP/FT6 (UL 910)
    FRPVC Grade Flammability Test: IEC60332-1
    LSZH Grade Halogen Content Test: IEC 60754-1 
    Acidity Test: IEC 60754; 
    Smoke Emission Test: IEC61034-1/2
    LSFROH Grade  Halogen Content Test: IEC 60754-1 
    Acidity Test: IEC 60754; 
    Smoke Emission Test: IEC61034-1/2 
    Flammability Test: IEC60332-1 & IEC 60332-3C/A
    FR Grade Fire Resistance Test : IEC 60331 / BS 6387 CWZ

    Standard Compliance

            Telcordia GR-20          RUS 7 CFR 1755.900 (REA PE-90)                         ICEA S 87-640

    Features

    • Large fiber counts with small cable diameter
    • Highly adaptable to mass splicing
    • Suitable for installation in pipeline
    • High quality jelly filled loose tube provides the ribbon fiber satisfactory mechanical and environmental protection.
    • Ripcord allows easy jacket removal
    • UV or moisture resistant for outdoor application
    • Dry water blocking core design for ease of handling
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