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40ton DAH

Submarine Cable Double Armored Heavy

GJLTTM 12-192 fibers 40-ton DAH / GJZLTTM 12-192 fibers 40-ton DAH

  • Unrepeatered
  • Water depth 3000 m
  • Compact design, only 32 mm in diameter
  • 12-96 optical fibers
  • With or without electroding conductor
  • Double layer steel wire reinforcement
  • Hydrogen protected
  • Outer protection polypropylene yarns
  • Unrepeatered
  • Water depth 3000 m
  • Compact design, only 32 mm in diameter
  • 12-96 optical fibers
  • With or without electroding conductor
  • Double layer steel wire reinforcement
  • Hydrogen protected
  • Outer protection polypropylene yarns
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The 40-ton DAH is a double layer armored, loose tube cable for submarine installation where high protection is required.

This submarine cable is based on a hermetically sealed stainless tube. Inside the tube the fibers are free to move in a thixotropic water blocking compound. The steel tube is protected by a polyethylene sheath. Outside the sheath there are two layers of galvanized steel wires. The steel wires are flooded in bitumen.

The complete cable is wrapped with a layer of polypropylene yarns.

The steel wire reinforcement provides reliable mechanical protection, enabling installation and operation during rough conditions.

High packing density of the fibers is provided by the loose tube technique. This permits a small outer diameter and easy handling of the cable.

The fibers are colored for easy identification.

Submarine Cable Double Armored Heavy - Technical Details
  1. Primary coated fiber: Silica, acrylate
  2. Filling compound: Thixotropic compound
  3. Tube: Stainless steel
  4. Sheath: Polyethylene, black
  5. Armoring: Galvanized steel wires, double layer 12 x ø3.8 and 16 x ø4.4 mm
  6. Filling compound: Bitumen
  7. Wrapping: Plastic tape
  8. Wrapping: Polypropylene yarns

Technical Information

Tuotteen väri Yellow with black contrast yarns.
Lämpötila, käyttö [°C] -30 to +60
Lämpötila, varastointi [°C] -40 till +70
Lämpötila, asennus [°C] -15 to +40
Halkaisija Ø [mm] 32
Max. Vedensyvyys [m] 3000
Taivutussäde, ei vetoa  [mm] 500
Taivutussäde, vedossa [mm] 1500
Taivutussäde, useita kierroksia [mm] 1500
Paino [kg/km] 3400
Paino vedessä [kg/km] 2700
Vetolujuus UTS [kN] 520
Vetolujuus FBL [kN] 520
Vetolujuus NTTS [kN] 400
Vetolujuus NOTS [kN] 260
Vetolujuus NTPS [kN] 200
Puristuslujuus [N/100 mm] 25000
Isku [J] 300
Merkintä The submarine cable is marked with kilometer markers and factory joint markers.
Tekniset tiedot Mechanical and environmental test in accordance with IEC 60794-1-21 and IEC 60794-1-22