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Steel armoured dynamic cables

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Steel armoured dynamic cables
Standards
International  Manufacturer specification
Description

Applications

Steel armoured dynamic cables are used in a number of diff e rent dynamic applications, such as inspection of submarine topography and geology, subsea oil- and gas installations, exploration and ROV umbilicals. The cables are tailored for each specific application either according to customer specification or on basis of input of operational requirements.

Design

  1. Signal - electrical: pairs or quads can be included for electrical signalling.
  2. Signal - optical: a selection of max 12 SM/MM optical fibres protected by a laserwelded steel tube.
  3. Signal - electrical: Coaxial cables can be included for video transmission or electrical signalling.
  4. Shield: copper Laminate shield in combination with earth conductors make up electrical screens to prevent electrical induced noice between different layers.
  5. Power Supply: a multiplum of power conductors of varying size from 0.82 to 35mm2 is included to accomdate power tranfer to motors and intrumentation. The voltage rating can be up to 4.5kV.
  6. Inner Sheath: a layer of thermoplatic elastomer is applied to the core. Protects the cable core and enables easy term ination.
  7. Armouring: 2 or more layers of Galfan coated high strength steels wires make up to amour. The armour is designed to make the cable free of torsion.

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Characteristics
Construction characteristics
Inner sheath TPE  
Armour type Galfan coated high strength steel wires  
Dimensional characteristics
Number of optical fibres, range 1 .. 12  
Minimum outer diameter 20.0mm  
Maximum outer diameter 80.0mm  
Electrical characteristics
Maximum operating voltage 4.5kV  
Power 2000kVA  
Mechanical characteristics
Safe working load 0.0 .. 300.0kN  
Breaking strength 0.0 .. 1500.0kN  
Usage characteristics
Storage temperature, range -40 .. 60°C  
Operating temperature, range -10 .. 90°C  
Maximum deployment ocean depth 4000m  
Packaging Drum  

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Selling delivery information

Delivery Parameters

Steel armoured cables are delivered on drums in one length. The cables are typically manufatcured in lengths up to 4 km.

Note

The design of dynamic cables are tailored according to customer needs. The resulting designs varies significantly and thus the ranges of characteristics given in the table above are inicative only.

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