Applications
- OPGW
- Umbilical Cables
- Downhole Cables for Oil & Gas
- Towed Arrays
- High Temperature Cables
- Hybrid Cables
- Sensor Cable
Scope
This specification covers general requirements and performance of Stainless Steel Tube Fiber Unit，including optical characteristics and geometrical characteristics.
Specification
1. Steel Tube Specification
| Item | Unit | Description |
| Material | Stainless steel tape | |
| Inner diameter | mm | 2.60±0.05mm |
| Outer diameter | mm | 3.00±0.05mm |
| Filling component | Water repellent, thixotropic jelly | |
| Fiber number | 24 | |
| Fiber types | G652D | |
| Elongation | % | Min.1.0 |
| Fiber excess length | % | 0.5-0.7 |
2. Fiber Specification
The optical fiber is made of high pure silica and germanium doped silica. UV curable acrylate material is applied over fiber cladding as optical fiber primary protective coating. The detail data of optical fiber performance are shown in the following table.
| G652D Fiber | G652D Fiber | G652D Fiber | ||
| Category | Description | Specification | ||
| Optical Specifications | Attenuation@1550nm | ≤0.22dB/km | ||
| Optical Specifications | Attenuation@1310nm | ≤0.36dB/km | ||
3. Color Identification Of Fiber In the stainless steel tube unit Color code of fiber in the steel tube unit shall be identified referring to the following table:
Typical number of fiber: 24
| Remark | Fiber No. & Color | |||||||||||
| 1-12 Without color ring | Blue | Orange | Green | Brown | Grey | White | ||||||
| 1-12 Without color ring | Red | Nature | Yellow | Violet | Pink | Aqua | ||||||
| 13-24 With S100 color Ring | Blue | Orange | Green | Brown | Grey | White | ||||||
| 13-24 With S100 color Ring | Red | Nature | Yellow | Violet | Pink | Aqua | ||||||
| Remark: If G.652 and G.655 are used synchronously, S.655 should be laid ahead. | Remark: If G.652 and G.655 are used synchronously, S.655 should be laid ahead. | Remark: If G.652 and G.655 are used synchronously, S.655 should be laid ahead. | Remark: If G.652 and G.655 are used synchronously, S.655 should be laid ahead. | Remark: If G.652 and G.655 are used synchronously, S.655 should be laid ahead. | Remark: If G.652 and G.655 are used synchronously, S.655 should be laid ahead. | Remark: If G.652 and G.655 are used synchronously, S.655 should be laid ahead. | ||||||
Constructions
SSLT is consist of a stainless steel tube with optical fbers inside.
1. Optical fiber
2. Stainless steel tube fled with water-blocking gel
Features
A. 4, 8, 12, 24, 36, 48, Up to 72fibers
B. G652, G655, and OM1/OM2 available.
C. Different brand of optical fibers for choice.