Direct Buried

Direct Buried CT GSW Central tube (CT) galvanized steel wires (GSW)

For additional protection in harsh environment


Optical fiber


Gel-filled loose tube


Water-blocking gel


Armor of galvanized steel wires



Up to 24 fibers

Max rated design tension up to 5 kN

Resistance to crushing load from 0.7 kN/cm

Cost-effective design

Reliable protection from serious mechanical impact

Excellent rodent resistance

Reduced weight and size

Maximum rated design tension 5 kN
Crush — 0.7 kN/cm
Fiber count up to 16 up to 24
Cable diameter, mm 8.1 8.3
Cable weight, kg/km 116.2 123.9
Minimum bending radius, mm 121.5 124.5
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Operating temperature -50°С...+70 °С
Installation temperature -30°С…+50°С
Transportation and storage temperature -50°С...+70 °С
Minimum bending radius 15x cable diameter
Life time 25 years