BlownIn

BlownIn

Convenient for blowing into microducts

1

Central strength member (dielectric fiberglass reinforced plastic)

4

Water-swellable yarns

2

Optical fiber

3

PBT loose tube filled with water-blocking gel

4

Water-swellable yarns

5

Jacket

6

Ripcord

Up to 432 fibers

Operation tension up to 225 lb

Easy to install

All-dielectric design

BlownIn is a multitube design that can have up to 432 fibers. It is an all-dielectric and UV-resistant micro air blown cable suitable for indoor and outdoor cable conduits and trays. These cables typically consist of a stranded core with central strength element (FRP), gel-filled loose tubes with optical fibers and PBT fillers (where applicable). The stranded core is fixed by water-swellable yarns. Operation tension can reach up to 225 lb (1 kN) and installation tension can be up to 674 lb (3 kN). It also has a wide range of operating temperatures from -40°F to +158°F and installation temperatures from -22°F to +122°F.

BlownIn cables can be manufactured in several options:

Option PE 250

  • 250 μm fiber
  • HDPE outer jacket

Option PA 250

  • 250 μm fiber
  • PA outer jacket

Option PA 200

  • 200 μm fiber
  • PA outer jacket

Option PA 200 Reduced

  • 200 μm fiber
  • PA outer jacket
  • Decreased design (up to 48 optical fibers)

 

Different designs comparison:

  • 250 μm fiber and HDPE outer jacket: 5.6 – 11.2 mm
  • 250 μm fiber and PA outer jacket: 5.1 – 10.7 mm
  • 200 μm fiber and PA outer jacket: 4.5 – 9.3 mm
  • 200 μm fiber and PA outer jacket (decreased design (up to 48 OF)): 3.6 mm

 

250 μm fiber:

  • Price — lower
  • Standard diameter of 12 OF loose tube, mm — 1.4
  • Application — simple tasks, when there is no strict diameter limit

200 μm fiber:

  • Price — higher
  • Standard diameter of 12 OF loose tube, mm — 1.2
  • Application — strict diameter limit, cable with 250 μm OF doesn’t fit
Option PE 250
Outer jacket PE (polyethylene)
Fiber type G.652D + G.657.A1 (250 μm)
Fiber count, up to 72 96 144 192 288 432
Number of loose tubes 6 8 12 16 24 36
Number of fillers - - - 2 - -
Fibers per loose tube 12
Cable diameter, in 0.22 0.248 0.331 0.331 0.374 0.441
Cable weight, lb/ft 0.014 0.019 0.035 0.027 0.036 0.045
Operation tension, lb 67 112 202 124 146 225
Installation tension, lb 225 405 629 360 427 674
Option PA 250
Outer jacket PA (polyamide)
Fiber type G.652D + G.657.A1 (250 μm)
Fiber count, up to 72 96 144 192 288 432
Number of loose tubes 6 8 12 16 24 36
Number of fillers - - - 2 - -
Fibers per loose tube 12
Cable diameter, in 0.201 0.232 0.311 0.311 0.354 0.421
Cable weight, lb/ft 0.012 0.017 0.031 0.023 0.032 0.041
Operation tension, lb 67 112 202 124 146 225
Installation tension, lb 225 405 629 360 427 674
Option PA 200
Outer jacket PA (polyamide)
Fiber type G.652D + G.657.A1 (200 μm)
Fiber count, up to 72 96 144 192 288 432
Number of loose tubes 6 8 12 16 24 36
Number of fillers - - - 2 - -
Fibers per loose tube 12
Cable diameter, in 0.177 0.201 0.26 0.264 0.311 0.374
Cable weight, lb/ft 0.009 0.012 0.017 0.018 0.028 0.034
Operation tension, lb 56 79 135 90 202 180
Installation tension, lb 169 214 337 247 540 495
Option PA 200 Reduced design
Outer jacket PA (polyamide)
Fiber type G.652D + G.657.A1 (200 μm)
Fiber count, up to 12 24 36 48
Number of loose tubes 1 2 3 4
Number of fillers 3 2 1 -
Fibers per loose tube 12
Cable diameter, in 0.142
Cable weight, lb/ft 0.007
Operation tension, lb 9
Installation tension, lb 22
Operating temperature -40°F ... +158°F
Installation temperature -22°F ... +122°F
Transportation and storage temperature -76°F ... +158°F
Minimum bending radius 15 x cable diameter
Design life 25 years

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