Semi-Finished Products

Fiber in (Stainless) Steel Tube (FIST)

Used for stationary installation when the optical fiber needs extra protection from mechanical damages.

1

Optical fiber

2

Marking thread

3

Water-blocking gel

4

Stainless steel tube

Up to 48 optical fibers in a tube

Small size

Fiber count up to 1...48
Outer diameter, mm
Inner diameter, mm
Module wall thickness, mm
Optical fiber excessive length, %
Material of steel module (Stainless steel)
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Operation temperature -60°С…+70°С
Installation temperature -30°С…+50°С
Transportation and storage temperature -60°С…+70°С
Minimum bending radius 25x cable diameter
Life time 25 years