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Optical cable with central tube without armor KC-OKGO

The KС-OKGO cable is intended for external installation, on walls of buildings, on a carrying cable. Laying in cable ducts and blowing into protective polyethylene pipes for short distances are possible.

If the cable has a fire-resisting sheath, it can be installed both indoors and outdoors, and “nf” is added to the cable marking.

3D
3D
3D
1/3
2/3
3/3
Structure
  1. Optical fiber;
  2. Intramodule compound (thixotropic gel);
  3. Optical loose tube (PBT – polybutylene terephthalate);
  4. Peripheral strength element (FRP fiberglass rod);
  5. Outer light-stabilized polyethylene sheath. In the “nf” version the outer sheath is made of a polymer that does not propagate burning when laid single.

    For cables in the “nf” version, which are flame-retardant when installed in bunches, the category of flame retardation is indicated in brackets: nf(A), nf(B), nf(C), nf(D).

    Types of the sheath according to fire hazard indicators are defined by the following indices in the identification markings:
    LS (Low Smoke) – reduced smoke emission;
    FR (Fire Resistant) – fire resistance;
    ZH (Zero Halogenic) – no halogen emission during combustion;
    HF – no emission of corrosive gaseous products during combustion and smoldering;
    LT – low toxicity of combustion products.
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  • Design
  • Characteristic
01
Optical fiber
02
Intramodule compound (thixotropic gel)
03
Optical loose tube (PBT – polybutylene terephthalate)
04
Peripheral strength element (FRP fiberglass rod)
05
Outer light-stabilized polyethylene sheath
01
02
03
04
05
  1. Optical fiber
  2. Intramodule compound (thixotropic gel)
  3. Optical loose tube (PBT – polybutylene terephthalate)
  4. Peripheral strength element (FRP fiberglass rod)
  5. Outer light-stabilized polyethylene sheath

Physico-mechanical and operational characteristics of cable

Parameters Value
Construction number
 1201 1303
Number of optical fibers in cable
 2 to 24
 2 to 12 
Maximum cross-section dimensions, mm
 7,2х9,8
 6,2х8,2
Average cable weight, kg/km
 58,1
 42,9 
Static tensile load, kN
 0,75
Dynamic tensile load, kN
 1,5
Short-term crushing load, kN/cm
 0,3
Minimum bending radius
 200
 165 
Operating temperature, °С
-40 to +60
Storage and transportation temperature, °С
 -50 to +60
Installation temperature, °С
 -10 to +50

*According to Customer’s requirements color of fibers can be different (in cables containing more than 12 fibers the colors of the fibers are labeled with rings).

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