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OPGW Multimode Fiber Optic Cable

Product Description: Place of Origin: Henan, China (Mainland) Brand Name: Jytop cable Model Number: OPGW Type: Cat 7 Number of Conductors: ≥ 10 Product Description: OPGW is a dual functioning cable performing the duties of a ground wire and also providing a patch for the transmission of voice, video or data signals . The fibers are protected from environmental conditions···

Product Details

Product Description:

Place of Origin: Henan, China (Mainland)

Brand Name: Jytop cable

Model Number: OPGW

Type: Cat 7

Number of Conductors: ≥ 10

Product Description:

OPGW is a dual functioning cable performing the duties of a ground wire and also providing a patch for the transmission of voice, video or data signals . The fibers are protected from environmental conditions (lightning, short circuit, loading) to ensure reliability and longevity. The cable is designed to be installed on transmission and distribution lines to carry voice, data and video communications, especially in lighting waveform monitoring system, an observation system for overhead test line, maintenance data information system, power line protection system, power line operation system, and unmanned substation monitoring

OPGW cable has two constructions:

Central loose tube type:The fibers is placed loosely in a sealed and water resistant stainless steel tube filled with water blocking gel. This tube provides protection to the fiber during installation and operation under severe environmental conditions. Aluminium layer over the tube is optional. The stainless optical tube is located at the center of the cable protected by single or multiple layers of aluminium clad steel and aluminium annoy wires. The aluminium clad steel wires are shaped trapezoidally around the optical unit to provide compact construction. The metallic wires provide mechanical strength to withstand severe installation and operating conditions, while achieving conductivity to control temperature rise during short circuit conditions

This type can accommodate up to 48 fibers in a cable. Despite such a high fiber count in a single tube, each optical fiber is clearly distinguishable utilizing a fiber identification system consisting of coloring and the number of ring marks on it. This compact design features high mechanical strength and fault current rating within a smaller diameter. The smaller diameter also results in excellent sag tension performance.

Multi loose tube type:The fibers is placed loosely in a sealed and water resistant stainless steel tube filled with water blocking gel. Two or three stainless steel optical tubes are helically stranded in the inner layer of a multiple-layer cable.

The multi loose tube type is designed mostly for very high fiber count requirement over 48 with the maximum fiber count reaching 144. The multi loose tube type can meet the requirement of huge cross and large current capacity.

 

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Multi loose tube type:The fibers is placed loosely in a sealed and water resistant stainless steel tube filled with water blocking gel. Two or three stainless steel optical tubes are helically stranded in the inner layer of a multiple-layer cable.

The multi loose tube type is designed mostly for very high fiber count requirement over 48 with the maximum fiber count reaching 144. The multi loose tube type can meet the requirement of huge cross and large current capacity.

 

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Cable section
(mm2)
Nominal Outer
Diameter
(mm/in)
Nominal Weight
(kg/km)/(lb/kft)
Max working
tension
(kN)
Modulus of
elasticity
(kN/mm2)
Heat expansion
coefficient
(10-6/℃)
DC Resistance
(Ω/km)
Short-circuit
current capacity
(kA2s)
35 8.1/0.318 250/167.79 45.2 162.0 13.0 2.433 8.9
50 9.6/0.378 343/230.20 63.0 162.0 13.0 1.743 16.5
70 11.4/0.448 487/326.85 89.3 162.0 13.0 1.237 3.04
90 12.5/0.492 368/246.98 58.2 94.1 17.3 0.473 72.7
105 13.5/0.531 428/287.25 67.9 94.1 17.3 0.403 98.8
130 15.0/0.590 527/353.69 83.8 94.1 17.3 0.329 149.9

Mechanical Properties:

 Minimum Bending Radius  Maximum Compressive Load  4000N for unarmoured cables
 Under installation  20×OD  6000N for armoured cables
 During operation  10×OD for unarmoured cables  Repeated Impact  4.4 N.m (J)
 20×OD for armoured cables  Twist (Torsion)  180×10 times, 125×OD
 Temperature Range  Cyclic Flexing  25 cycles for armoured cables
 Operating Temperature Range  -40°C(-40°F) to +70°C(+158°F)  100 cycles for unarmoured cables
 Storage Temperature Range  -50°C(-58°F) to +70°C(+158°F)  Crush Resistance  220N/cm(125lb/in)
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