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    Central Loose Tube Under Water Cable

    Application

    This cable exhibits excellent tensile strength and side press retardancy, having excellent mechanical and environmental performance. Featured by its thin diameter and light weight, it is best suited for underwater condition, junction communication system and long haul communication system.

    Description

    Central loose tube cable contains one tube with 2 - 24 fibers, which is filled with water blocking gel. A water swelling tape is helically wrapped around the cable core. Either aramid yarn or fiber glass is wound around the tube to provide physical protection and tensile strength. The cable is jacketed with PE for water protection purpose. For direct burial, steel wire armour and corrugated steel tape armour are applied with an optional PE inner jacket. 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)
    2-12 352.0 236.24 14.0 0.553 8000/1800 2650/595

    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

    • Loose tube jelly filled for superior fiber protection
    • Colored coded fibers and binders for quick and easy identification during installation.
    • High tensile strength design
    • Superior mechanical and environmental performance
    • Rugged and lightweight design
    • Durable construction to withstand high water pressure
    • Sufficient waterproof to withstand water penetration
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