Use cable ducts and duct systems with diameter ≥ 110 mm for fibre optic.
By means of a cable grip on the flexible jacket pipe the speedpipe bundles SRV are drawn into cable ducts.
Main use in practice for blowing in fibre optics: distribution level FTTN and FTTC
Each subduct system only is as good as its durability!
For long usability and protection of your active network technology gas-, dirt- and water-tight sealing and fixing elements are essential.