OKB-T

Application

OKB-T cable is designed for installation in grounds of 1-3 groups, cable ducts, tunnels in case of high requirements of crush strength.
OKB-T cable with flame retardant protective jacket is designed for installation according to exclusive standards of fire safety.

* longitudinal watertightness of the cable is provided by a hydrophobic gel

(8342) 473-813, 480-299

Number of fibers	2-16	18-24	26-36	38-48
Nominal overall diameter, mm	8,7	10,2	11,2	11,4
Total mass of cable with polyethylene jacket (kg/km)	122	166	199	209

* the data correspond to a cable of 7kN

** total mass of the cable with flame retardant protective jacket is specified when ordering

Temperature range of operation, С°	-40… +60
Temperature range of installation, С°	not lower then -30**
Minimal bending radius	not less than 20 diameters
Lifetime	25 years
Guarantee exploitation	2 years after putting in operation, not more than 2,5 years from shipping date
Tensile strength	not less than 2,5 kN for laying in grounds of 1-3 groups; not less than 4 kN for laying in grounds of 4-5 groups;
Crush strength	not less than 4 kN/100 mm for laying in grounds of 1-3 groups; not less than 7 kN for laying in grounds of 4-5 groups;

** In case of cable with flame retardant protective jacket, the min. installation temperature is not lower than -10 °С.