Flame retardant microducts MTB MICRO MR-NP LFH

Flame retardant microducts MTB Micro MR-NP LFH „Low Smoke Zero Halogen LSZH” are designed to build indoor microcanalization systems (microducts used inside buildings). 

Produced in white color.

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Marking

Outer diameter dz

[mm]

Inner diameter dw

[mm]

Wall thickness

[mm]
MTB Micro MR-NP LFH 4/2,5mm 4,0+0,1 2,5 0,75
MTB Micro MR-NP LFH  5/3,5mm 5,0+0,1 3,5 0,75
MTB Micro MR-NP LFH 7/5,5mm 7,0+0,1 5,5 0,75
MTB Micro MR-NP LFH 8/6,0mm 8,0+0,1 6,0 1,0
MTB Micro MR-NP LFH 10/8,0mm 10,0+0,1 8,0 1,0
MTB Micro MR-NP LFH 12/10mm 12,0+0,1 10,0 1,0
MTB Micro MR-NP LFH 14/12mm 14,0+0,1 12,0 1,0
MTB Micro MR-NP LFH 16/14mm 16,0+0,1 14,0 1,0
MTB Micro MR-NP LFH 4/2,5 5/3,5 7/5,5 8/6,0 10/8,0 12/10,0 14/12,0 16/14,0

Maximum installation tensile force [N]

 120 135 240 300 380 465 550 630

Nominal blowing pressure (installation pressure)  [bar]

 Max 16

Limit bursting pressure [bar]

 > 40 > 40 > 40 > 40 > 30 > 25 > 20 > 20

Minimum bending radius [mm]

 40 50 70 80 100 120 140 160

Ring stiffness [kN/m2]

 > 48

Ovality [%]

 < 4

Coefficient of friction

 < 0,1

Transport, storage and exploitation temperature range [°C]

 -30°C do + 70°C

Installation temperature range [°C]

 -10°C do + 55°C

Winding length [mb]

 3000 3000 3000 3000 3000 3000 2000 1500

Weight [kg/km]

 7 10 18 21 27 33 39 44

Recommended maximum diameter of fiber optic microcable [mm]

 1,5 2,5 3,7 4,2 5,6 7,0 8,4 9,8