What Is Stranded Loose Tube No-metallic Strength Member Double Armored Fiber Optic Cable GYFTY53?
Stranded Loose Tube No-metallic Strength Member Double Armored Fiber Optic Cable GYFTY53 positioned between CO and first DP in FTTX network. Used as mainline cable which environment is in Buried ,Aerial, under earth Pipes, Poles etc.
The fibers, 250μm, are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a waterresistant filling compound. A Fiber Reinforced Plastic (FRP) locates in the center of core as a non-metallic strength member. The tubes (and fillers) are stranded around the strength member into a compact and circular core. Then the cable core is covered with a thin polyethylene (PE) inner sheath, which is filled with jelly to protect it from water ingress.A layer of water-blocking material is applied around the cable core to prevent water ingress all the same. After a corrugated steel tape armor is applied, the cable is completed with a PE outer
Product Detail:
| Part No. | Fibers | Tubes | Cable OD
(mm) |
Weight Kg/km | Tensile strength Long term/short term(N/1m) | Crush resistance Long term/short term(N/1m) | Bending Radius Static/Dynamic (mm) |
| GYFTY53-2~6X | 2~6 | 1 | 15.8 | 226 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-8~12X | 8~12 | 2 | 15.8 | 226 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-14~18X | 14~18 | 3 | 15.8 | 226 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-20~24X | 20~24 | 4 | 15.8 | 226 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-26~30X | 26~30 | 5 | 15.8 | 226 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-32~36X | 32~36 | 6 | 15.8 | 226 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-38~42X | 38~42 | 7 | 15.8 | 226 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-44~48X | 44~48 | 8 | 16.8 | 255 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-50~60X | 50~60 | 5 | 16.8 | 255 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-62~72X | 62~72 | 6 | 16.8 | 255 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-74~84X | 74~84 | 7 | 16.8 | 255 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-86~96X | 86~96 | 8 | 16.8 | 255 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-98~108X | 98~108 | 9 | 19.2 | 320 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-110~120X | 110~120 | 10 | 19.2 | 320 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-122~132X | 122~132 | 11 | 21.2 | 380 | 1000/3000 | 1000/3000 | 10D/20D |
| GYFTY53-134~144X | 134~144 | 12 | 21.2 | 380 | 1000/3000 | 1000/3000 | 10D/20D |
Standard color of fiber and tube The color code of the tubes and the individual fibers, shall be in accordance with the table as below:
| No. | 1 | 2 | 3 | 4 | 5 | 6 |
| Color | Blue | Orange | Green | Brown | Slate | White |
| No. | 7 | 8 | 9 | 10 | 11 | 12 |
| Color | Red | Black | Yellow | Violet | Pink | Aqua |
Package: Standard Reel Length: 2000m; OEM Package is available Once request.
Characteristics:
High tensile strength of stranded wires meet the requirement of self-supporting and reduce the installation cost.
Good mechanical and temperature performance
High strength loose tube that is hydrolysis resistant
Special tube filling compound ensure a critical protection of fiber
The following measures are taken to ensure the cable watertight:
Steel wire used as the central strength member Loose tube filling compound 100% cable core filling
Optical fiber technical parameters-SMF:
| Item | Unit | Specification |
| Attenuation | dB/km | 1310nm≤0.4 ； 1550nm≤0.3 |
| Dispersion | Ps/nm. km | 1285~1330nm≤3.5， 1550nm≤18.0 |
| Zero dispersion wavelength | Nm | 1300~1324 |
| Zero dispersion slope | Ps/nm. km | ≤0.095 |
| Fiber cutoff wavelength | Nm | ≤1260 |
| Mode field diameter | Um | 9.2±0.5 |
| Mode field concentricity | Um | ≤0.8 |
| Cladding diameter | um | 125±1.0 |
| Cladding non-circularity | % | ≤1.0 |
| Coating/cladding concentricity error | Um | ≤12.5 |
| Coating diameter | um | 245±10 |
| Bending, dependence induced attenuation | 1550nm, 1turns,32mm diameter 100rums,60mm diameter | ≤0.5 dB |
| Proof test | kpsi | ≥100 |
ITU recommendation G.657 specifies two classes of single-mode bend insensitive fiber patch ca- bles: G.657 A and G.657 B. Each category (A and B) is then divided into two sub-categories: G.657.A1, G.657.A2 and G.657.B1, G.657.B2. The minimum bend radius of G.657.A1 fibers is 10 mm, of the G.657.A2 and G.657.B1 fibers is 7.5 mm and of the G.657.B2 fibers is 5 mm. Among, ITU-T G.657.A1 and ITU-T G.657.A2 fibers are fully compliant with ITU-T G.652.D fibers. 
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