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ARMOURED DIRECT BURIAL CABLES

APPLICATION
Direct burial underground or ducts for high-speed voice, Data and Video communications and Long haul Telecommunications. Suitable for laying in areas subjected to rodent hazard.
MULTITUBE DESIGN
Tubes containing primary coated fibres stranded around a central strength member, filled with jelly, sheathed with P.E. An armour of corrugated steel tape between the inner and outer PE sheath provides the necessary strength required for Direct buried applications.
UNITUBE DESIGN
Loose tube containing fibres is jacketed with steel wire strength members embedded in the sheath OR Loose tube buffered with aramid yarn for strength sheathed with PE/LSZH, corrugated steel tape armoured overall PE/LSZH jacketed provides the necessary strength and protection.
FEATURES
Unitube designs are for low fibre counts, having necessary strength & smaller diameters. MECHANICAL PROPERTIES
High Tensile Strength, high compression resistance (4000 N) and stability over temperature range of -20° C to +70° C.
In dry core design stability over temperature range of -40 deg. C to + 70 deg. C.

UNITUBE DESIGN

PHYSICAL PARAMETERS
PART NUMBER
FIBRE COUNT
DIAMETER
(mm)
(±1.0)
WEIGHT
(Kg./Km)
TENSILE
STRENGTH
(Newton)
BENDING
RADIUS(mm)
TEMP.
PERM.
B-4/62.5/UT(2W)-CCSTP-B11.0*
UPTO 6 FIBRE
11.0
135±10
2800
75
110
B-8/SM/UT(2W)-CCSTP-B11.0*
8 TO 12 FIBRE
11.0
135±10
2800
75
110
B-14/SM/UT(2W)-CCSTP-B11.0*
14 TO 24 FIBRE
11.0
135±10
2800
75
110

 

UNITUBE DESIGN

PHYSICAL PARAMETERS
PART NUMBER
FIBRE COUNT
DIAMETER
(mm)
(±1.0)
WEIGHT
(Kg./Km)
TENSILE
STRENGTH
(Newton)
BENDING
RADIUS(mm)
TEMP.
PERM.
B-6/SM/UT(2W)-PCCSTP-B12.0*
UPTO 6 FIBRE
12.0
145±10
2000
80 
120
B-8/SM/UT(2W)-PCCSTP-B12.0*
8 TO 12 FIBRE
12.0
145±10
2000
80
120
B-14/SM/UT(2W)-PCCSTP-B12.0*
14 TO 24 FIBRE
12.0
145±10
2000
80
120

 

MULTITUBE DESIGN

PHYSICAL PARAMETERS
PART NUMBER
FIBRE COUNT
DIAMETER
(mm)
(±1.0)
WEIGHT
(Kg./Km)
TENSILE
STRENGTH
(Newton)
BENDING
RADIUS(mm)
TEMP.
PERM.
B-12/SM/MT(F)-PCCSTP-B15.0*
UPTO 12 FIBRE
15.0
200±15
2200
105 
150
B-14/SM/MT(F)-PCSSTP-B15.0*
14 TO 24 FIBRE
15.0
200±15
2200
105
150
B-26/SM/MT(F)-PCCSTP-B15.0*
26 TO 48 FIBRE
15.0
210±15
2900
105
150
B-50/SM/MT(F)-PCSSTP-B16.0*
50 TO 96 FIBRE
16.0
250±20
4000
110
160


*   In respect of lowest count fibre
      Cable can be provided with higher Tensile Strength
** Jacket material can be provided in LSZH compound on specific request.

STANDARDS : Bell core, EIA/TIA,ISO/IEC

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