If you’re interested in the Theory
It was discovered and later patented, that a suitable fibre bundle, which may consist of 4 or 8 or more fibres bonded together to form a flexible yet single ‘strand’ called a fibre unit, could be propelled inside a tubular route using compressed airflow.
The compressed air and the optical fibre are both fed into a small chamber known as the ‘blowing head’ and along a polyethylene microduct (tube), maybe several hundred metres long.
There is no ‘plug’ at the fibre’s leading end that would fill the tube and respond to the air pressure and ‘pull’ the fibre along. This would cause fibre tension. Instead, the air moves past the fibre at high speed and provides a gentle and stress-free drive at all points along the fibre.
This means that the fibre needs no tensile reinforcement to survive stressful cable installation. And it arrives at the customer end suffering no tension effects at all.
ACCL are experts in blown fibre cable installation so if you’re need to install or even upgrade your existing network please get in touch now