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Cáp OPGW l 24 lõi mặt cắt ngang 85 singe mode

The central AL-covered steel tube is surrounded by single or double layers of aluminum clad steel wires(ACS) or mix ACS wires and aluminum alloy wires.AL-covered Stainless Steel Tube design increases the cross section of AL,to reach a better fault current and lightning resistance performance.Apply to the transmission line which requires small diameter and large fault current.
 

Characteristic:
1，High quality IEC607948 IEEE1138 standards for designing, testing and producingwith grade A materials available to ensure long-term reliability .
2，Engineering support supervising and providing its own line of accessories hardware .
3，Seal stainless steel tube superior protection to the fiber optical to moisture and extreme environmental conditions such as lightening .
4，To construct OPGW must cut power, resulting in greater loss, thus OPGW must be used in constructing high pressure line over 110kv .
5，Apply to the transformation of old lines .
 
Advantages of GL OPGW fiber optic cable:
1，Three typical designs: central tube,stranded wire,PBT loose tube ;
2，200km OPGW cable regular production time about 20 days ;
3，Type test including salt corrosion,suitable in harsh corrosive environment,especially near the sea.

OPGW has two fiber type : one is single mode G652D , and the other is G655 , sometimes they mixed together , such like OPGW-36B1+12B4-93 [78.8;53.9] . Fiber optic cable OPGW, usually 12~48 fibers,GL can max produced 96 fibers OPGW fiber optic cable, jelly filled and fiber contained central PBT loose/aluminum cladding steel/aluminum tube, outer with AA/ACS wires armored, detailed specification on your request.
   

Named

No.

 Diameter
  Center Aluminum Tube
SUS-Tube

1

1

 5.20mm
3.00mm
Structure Details
  Layer1 20%AS wire

7

 3.90mm

 

Technical Data

According to IEEE std 1138,IEC 60794-4 standards

Stranding direction of outer layer is "Right-hand"

Fiber No. & Type                                                  24 G652.

Standard Diameter                                               13.00 mm

Supporting Cross Section                                     83.62 mm2

Section of AS wire                                                 83.62 mm2

Section of Optical unit                                           13.19 mm2

Approximate mass                                                  613.3 kg/km

Rated Tensile Strength                                           94.1 KN

Maximum Allowable Tension(40%RTS)                   450.0 N/mm2

Everyday Stress(16%~25%RTS)                            180~281.3 N/mm2

Strain Margin Stress(60%RTS)                               675.0 N/mm2

Modulus of Elasticity                                                147.6 Gpa

Thermal Elongation Coefficient                                13.5×10-6/℃

Calculated D.C. Resistance at 20℃                          0.695 Ω/km

Short-Circuit Current (1 sec,40℃)                             7.3 KA

Short-Circuit Current Capacity                                   54.0 kA2·s

Minimum Bending Radius                                            260 mm

Ratio between Pull and Weight                                    15.64 KM

Temperature Rage

Installation                                                                    -10℃～+50℃

Transportation and Operation                                      -40℃～+80℃

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