THE STRUCTURAL DESIGN OF CABLE

Tubes: the optical fibers are freely laid inside, and the free space is filled with hydrophobic gel. The central power element based on the dielectric is covered with water-blocking yarns; and the tubes are twisted around it by the SZ-twist method. A water-blocking tape is applied onto the twisted tubes, and an inner sheath - onto the tape. An armor made of steel corrugated laminated tape and an outer sheath made of high-density polyethylene are placed on the cable covered with an inner sheath. At the customer's request, a water-blocking thread or tape can be placed under the corrugated steel armor.

1. Optical fiber
2. Hydrophobic gel
3. PBT tube
4. The central power element
5. Water-blocking yarn
6. Water-blocking tape
7. Aramid (ZN) or glass (BN) threads
8. Inner sheath
9. Corrugated steel armor
10. Outer protective sheath

COLOR IDENTIFICATION OF OPTICAL FIBERS AND TUBES (IES 60304)

At the customer's request, the color identification of fibers and tubes (as well as the sequence of tubes assembly by color) can be changed.