Ducting

Ducting MT CST Multi-tube (MT) corrugated steel tape (CST)

Application: pulling into underground ducts and sewer pipes
1

Central strength member (FRP rod)

2

Water-swellable yarns

3

Optical fiber

4

Gel-filled loose tube

2

Water-swellable yarns

5

Water-swellable tape

6

Corrugated steel tape armor

7

Jacket

8

Ripcord

Increased tightness due to application of water-swellable tape

Excellent rodent resistance

Reduced weight and size

Cost-effective design

Maximum rated design tension 2.7 kN
Crush — 0.22 kN/cm
Fiber count up to 72 (6х12) 96 (8х12) 144 (12х12)
Cable diameter, mm 11.7 13.2 16.5
Cable weight, kg/km 131.3 160.0 268.3
Minimum bending radius, mm 175.5 198.0 247.5
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Operating temperature -40°С...+70°С
Installation temperature -10°С…+50°С
Transportation and storage temperature -40°С...+70°С
Minimum bending radius 15x cable diameter
Design life 25 years