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| Application |
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Stranded Loose Tube Underground Cables |
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| Construction |
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| Fibre |
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It should be according to customer's
specification |
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| Secondary Coating |
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The secondary coating consist of a tube of
high modules plastic: |
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hydrolysis resistant polybuthylene
terephtalate (PBT). |
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The tubes are completely filled with
special jelly |
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Colour code and Dimensions of Tube meet
according to |
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customer specification |
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| Central Element |
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It is made of a material that is metalic
or non-metalic |
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| Stranding |
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Tubes and plastic fillers are stranded
around the central element |
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| Filling |
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The interstices between the cable elements
are filled with special |
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jelly to prevent water penetration inside
the cable |
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| Core covering |
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The core covering consist of at least one
layer nonhygrscopic |
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tape,applied longitudinally with an
overlap. |
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| Waterblocking |
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Waterblocking Aramide yarns or
waterblocking tape are applied |
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over the cable core . |
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| Inner Jacket |
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Black extruded polyethylene sheath. |
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| Armouring |
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The armour consist of coated and
corrugated steel tape,applied longitudinally |
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with an overlap. |
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Hot-melt applied to the between over of
inner sheath and corrugated |
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steel tape per meter to waterblocking. |
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| Outer sheath |
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Extruded polyethylene sheath |
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| Cable Marking |
Length marking and printing may be
according to customer's |
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specification on the sheath |
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The embossing on the sheath also possible |
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| Optical Characteristics |
They shall be meet the customer
specification |
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| Mechanical Characteristics |
according to storage,installation and
operation |
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conditions |
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| Packing |
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On wooden drums and covered with battens
completely |
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To prevent ingress of moisture the cable
ends are sealed by |
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an approved method |
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