Metallic spiral for Optical fiber
Features:
The Metallic Spiral for Optical Fiber it consists of several suitably shaped metal wires.
The elements are made of galvanized steel and the ends of the wires are bevelled in order to avoid damage to the cable sheath.
The dimensions are such as to adapt to the external diameter of self-supporting optical cables equal to 13 ± 0.5 mm. The length of the amarro is 510 ± 1.5 cm.
consisting of 6 shaped Ø 2.18 mm metal wires (each wire is uniformly covered with a layer of zinc.
Galvanizing is hot for class AB according to UNI 7304-74.
The purity of zinc must not be less than that prescribed by the UNI Standard 2013-74 for the ZN type at 98.5.
La purezza dello zinco non deve essere inferiore a quella prescritta dalla Norma UNI 2013-74 per il tipo ZN a 98,5.







