2~144 Cores Loose Tubes Stranded FOC underwater - GYTA53+33
Underwater variant of GYTA53 loose-tube fiber optic cable (GYTA53-33) with enhanced water-blocking for submarine and underwater installations.

- Optic Fiber in PBT Tube
- Phosphorated Steel Wire
- Al-plastics Compound Tape
- 1ˢᵗ PE Layer
- PE Matting Layer
- Corrugated Steel-plastics Compound Tape
- Water-proof Filling Compound
- 2ⁿᵈ PE Layer
- Water-proof Tape
- Galvanized Steel Wire
- PE Outer Sheath
Standard of execution
YD/T901-2009
Product description
- Type
GYTA53+33
- Metallic strength member
- Loose tube stranded filled with jelly
- AI-PE compound layer
- Steel-PE compound layer
- Galvanized steel wire armor
- PE outer sheath
- Outdoor optic fiber cable for communication
- Application Range For long distance & local communications
- Mounting Ways Underwater.
- Application Temperature
-40°C ~ +60°C
Features
- With low transmission loss and dispersion
- Optical fiber cable has excellent mechanical and environmental properties.
- The close structure of SZ layer stranding prevents optic fiber from stress under bad environment.
- It could ensure moisture & water resistant performance of FOC with filling compound filled outside strength member and inside cable core.
- It could ensure much better moisture performance of FOC with corrugated steel tape wrapping.
- Steel wire armour has the ability of tensile and compression.
Technical Parameters
| FOC Core(s) | FOC Outer Diameter(mm) | Min. Bending Radius(mm) | Min. Tension Allowed(N) | Min. Flattening Force Allowed(N/100mm) | |||
|---|---|---|---|---|---|---|---|
| Static | Dynamic | Short Term | Long Term | Short Term | Long Term | ||
| 2~30 | 17.0 | 500 | 750 | 20000 | 10000 | 5000 | 3000 |
| 32~60 | 18.4 | 530 | 790 | 20000 | 10000 | 5000 | 3000 |
| 62~72 | 18.9 | 540 | 810 | 20000 | 10000 | 5000 | 3000 |
| 74~96 | 20.5 | 600 | 880 | 20000 | 10000 | 5000 | 3000 |
| 98~144 | 23.4 | 640 | 960 | 20000 | 10000 | 5000 | 3000 |
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2~144 Cores Loose Tubes Stranded FOC - Steel Tape Armored - GYTY53
2–144 cores loose-tube stranded fiber optic cable (GYTY53) with steel-tape armor for robust outdoor, backbone and direct-burial installations.
2~144 Cores Loose Tubes Stranded FOC - With Corrugated Al Tape - GYTA
2–144 cores loose-tube stranded fiber optic cable (GYTA) with corrugated aluminum tape for enhanced moisture and rodent protection in outdoor installations.