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  Indoor tight buffer fiber optic cable  
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    LWL Kabel 
 

LWL Kabel

Multi Loose Tube Under Water Cable

    Anwendung

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.

    Beschreibung

The cable consists of 5 to 36 fibers containing tubes or fillers stranded in up to 3 layers around a central strength member and bound under a PE jacket. Each tube contains 4 -12 fibers. Solid or stranded steel wire coated with polyethylene is usually used as central strength member. Fiber glass reinforced plastics (FRP) will be used as central strength member if non metallic construction is required. Either aramid yarn or fiber glass is wound around the tube to provide physical protection and tensile strength. The cable incorporates the first layer of PE inner jacket, a layer of corrugated steel tape armour, the second layer of PE inner jacket, a layer of steel wire armour and PE outer jacket. An optional Aluminium moisture tape can be incorporated under the jacket for water blocking and shielding purpose. An optional ripcord is located under the jacket to facilitate jacket removal.

    Construction

    Physikalische Eigenschaften

Fiber Count

Nenn-Gewicht(kg/km)

Nenn-Gewicht(lb/kft)

Nenn-Außendur
chmesser(mm)

Nenn-Außendur
chmesser(in)

Maximum Pulling Load

Installation(N/Ib)

In Service(N/Ib)

2-24

650.0

436.24

20.3

0.798

8000/1800

2650/595

26-36

716.0

480.54

21.6

0.849

8000/1800

2650/595

38-72

1008.0

676.51

25.2

0.991

8000/1800

2650/595

   Mechanische Eigenschaften

Minimum Bending Radius:   Maximum Compressive Load: 4000N for unarmored cables;
Under installation: 20×OD   6000N for armoured cables
During operation 0×OD for unarmoured cables Repeated Impact: 4.4 N.m (J)
  20×OD for armoured cables Twist (Torsion): 180×10 times, 125×OD
Temperature Range:   Cyclic Flexing: 25 cycles for armoured cables.
Operating Temperature Range: -40℃(-40℉) to +70℃(+158℉)   100 cycles for unarmoured cables.
Storage Temperature Range: -50℃(-58℉) to +70℃(+158℉) Crush Resistance: 220N/cm (125lb/in)

   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

   Merkmale

• 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