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We manufacture
Permanently Lubricated HDPE Telecom Ducts for use as
underground Optical Fibre
cable conduits :-
GENERIC REQUIREMENTS- NO. G/CDS-08/02. Nov.2004
amendments.
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SCOPE :
PLB HDPE TELECOM DUCTS are used as underground cable
conduits for optical fibre cables ,suitable for
cable installation by blowing technique or pulling
by rope.
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PRODUCT DESCRIPTION
:
PLB HDPE DUCT consists of 2 concentric layers , the
outer layer being HDPE , co extruded with an inner
layer of solid silicone permanent lubricant to
reduce the internal coefficient of fraction (ICF) .
Alternatively the duct can be of a homogeneous
construction without a separate inner layer .
The ducts are also manufactured in homogeneous
construction with inside containing smooth
lubricants for easy and convenient pulling of cables
.
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MATERIAL
:
UV stablished HDPE resin used for the outer layer of
plb hdpe duct shall conform to any designation of
IS-7328 or any equivalent standard meeting the
requirements when tested as per IS-2530 .
DENSITY
:
0.940 - 0.958 g/cc @ 27 deg cent
MELT FLOW RATE (MFR) :- 0.2 to 1.1 g/10min @ 190 deg
cent and 5 kg load .
INNER LAYER
:
The inner lubricant material shall be of friction
reducing , polymeric material . The coextruded inner
layer of solid permanent lubricant shall be integral
part with HDPE and white in colour, clearly visible
in cross section of duct . |
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DIMENSIONS OF DUCTS : |
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40mm/33mm |
32mm/26mm |
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Outside dia |
40mm+0.4mm |
32mm+0.3mm |
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wall thickness |
3.5mm(+-0.2mm) |
3.0mm(+-0.2mm) |
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standard length |
1000(+-100m) |
1000+-100m |
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Note: Duct coils are
also available in various lengths from 100-2000m in
single coil as per the customer requirement .
COLOURS :
The ducts are available in various colours as per the customer requirement
for immediate identification and suitability .
TESTS :
Various tests are conducted in routine on telecom ducts as under :
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Visual inspection
on outer and inner surface
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Dimensions -
Diameter and thickness
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Tensile strength
and elongation
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Reversion test
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Environmental
stress crack resistance
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Impact strength
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Crush resistance
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Mandrel test
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Quality test
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Coil test
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Oxidation induction
test
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Hydraulic
characteristics
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Internal
coefficient of friction
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The ducts are
prominently marked with indelible ink at intervals
of every meter to enable identification of the pipe
like manufacturers name,size of the duct,serial
number,date of manufacturer,sequential length
marking at every meter ,buyers identification and
logo etc.
PLB HDPE DUCT ACCESSORIES :
The
following accessories are available for jointing the
ducts :
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Plastic coupler
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End plug
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Cable sealing plug
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End cap
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Duct cutter
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C-Spanner
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Replacement blade
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Blowing equipment
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Nylon and PP rope
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TYPE APPROVAL CERTIFICATE
:
Our ducts are duly certified in quality by BSNL QA
BANGALORE and we are holding the type approval
certifictae for manufacturing the above ducts .
REGULAR INSPECTION
:
The ducts are regularly inspected by BSNL QA staff
to carry out above required all tests for the
quality of the ducts.The ducts are despatched after
approval from the certifying agency for the quality.
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