Structural design of cable

The bearing member is placed in parallel to the twisted conductor. The bearing member can consist of a steel rope or a dielectric-based strength member (fiberglass rod). Optical fibers are freely placed inside the tube and interstice is filled with a hydrophobic gel. Polymer tubes are SZ stranded around a central-strength member. Interstice between stranded tubes is filled with hydrophobic gel and covered with PET tape. Next, in addition to aramid yarns or fiber glass yarns, polyethylene inner jacket is imposed on the cable core. Internally jacketed cable core is sheathed with laminated corrugated steel tape armor, and the bearing member is sheathed with high-density polyethylene outer jacket.

1. Steel rope (T)/ steel wire (Ts)
2. Glass rod (Td)
3. Corrugated steel tape armor
4. Central member
5. PBT tube
6. Optical fiber
7. Gel
8. Outer jacket
9. Inner jacket
10. Aramid yarns (ZN) or fiberglass yarns (BN)

Color Identification of fibers and tubes (IEC 60304)

On customer’s request, the color identification of fibers and tubes can be changed.