Silicone overhead Line Cover
Gala Silicon Overhead Line Covers are made from high quality non-tracking silicon rubber that are designed for field installation over bare conductors. These covers provide a layer of electrical insulation for Phase-to-Phase and Phase-to-Ground protection from bird and animals. The GSOC provides electrical insulation, UV resistance and tracking resistance. Silicon Self-fusing Tape can be applied on it for better insulation.
Features & Benefits
- Excellent UV and Ozone resistance.
- Excellent Tracking resistance.
- Good Di-electric strength.
- Protection for leads and jumpers.
- Highly flexible silicone tubing makes application easy.
- Flame Retardant.
- No special installation tool required.
- Does not require further derating conductors.
- Helps prevent contacts by eliminating gaps in coverage.
- Provides Insulation Enhancement upto 765 kV
Diagram
Selection Chart – GSOC-M (Upto 12kV)
| Gala Code | Conductor Size in Dia. (mm) | Thickness (mm) | Packaging (Mtr./Roll) |
|---|---|---|---|
| GSOC-M 15 | Upto 15 | 2.0 | 15 |
| GSOC-M 20 | Upto 20 | 2.0 | 15 |
| GSOC-M 24 | Upto 24 | 2.0 | 15 |
| GSOC-M 32 | Upto 32 | 2.0 | 15 |
| GSOC-M 38 | Upto 38 | 2.0 | 15 |
Selection Chart – GSOC-H (Upto 36kV)
| Gala Code | Conductor Size in Dia. (mm) | Thickness (mm) | Packaging (Mtr./Roll) |
|---|---|---|---|
| GSOC-H 15 | Upto 15 | 2.7 | 15 |
| GSOC-H 20 | Upto 20 | 2.7 | 15 |
| GSOC-H 24 | Upto 24 | 2.7 | 15 |
| GSOC-H 32 | Upto 32 | 2.7 | 15 |
| GSOC-H 38 | Upto 38 | 2.7 | 15 |
Selection Chart – GSOC-H3 (Upto 36kV)
| Gala Code | Conductor Size in Dia. (mm) | Thickness (mm) | Packaging (Mtr./Roll) |
|---|---|---|---|
| GSOC-H3- 15 | Upto 15 | 3.0 | 15 |
| GSOC-H3- 20 | Upto 20 | 3.0 | 15 |
| GSOC-H3- 24 | Upto 24 | 3.0 | 15 |
| GSOC-H3- 32 | Upto 32 | 3.0 | 15 |
| GSOC-H3- 38 | Upto 38 | 3.0 | 15 |
Selection Chart – GSOC-EH (Upto 765kV)
| Gala Code | Conductor Size in Dia. (mm) | Thickness (mm) | Packaging (Mtr./Roll) |
|---|---|---|---|
| GSOC-EH 15 | Upto 15 | 5.0 | 15 |
| GSOC-EH 20 | Upto 20 | 5.0 | 15 |
| GSOC-EH 24 | Upto 24 | 5.0 | 15 |
| GSOC-EH 32 | Upto 32 | 5.0 | 15 |
| GSOC-EH 38 | Upto 38 | 5.0 | 15 |
Technical Specification
| Properties | Test Method | Typical Value |
|---|---|---|
| Physical | ||
| Tensile Strength | ASTM D638 | 7 N/mm² (min.) |
| Elongation | ASTM D638 | 300% (min.) |
| Water Absorption | ASTM D570 | 0.5 (max.) |
| Low Temp. Install at 0°C | – | Installable without difficulty |
| Thermal | ||
| Air Ageing | ASTM D2671 | 150°C for 168 Hrs. |
| Tensile Strength | ASTM D638 | 3.5 N/mm² (min.) |
| Elongation | ASTM D638 | 150% (min.) |
| Electrical | ||
| Dielectric Strength | ASTM D149 | >210 kV/cm |
| Volume Resistance | ASTM D257 | 1 x 10¹³ Ohm.cm (min.) |
| Tracking and Erosion Resistance | ASTM D2303 |
No tracking or erosion to top surface or flame failure after: • 1 hr. at 2.5 kV • 1 hr. at 2.75 kV • 1 hr. at 3.0 kV • 20 min. at 3.25 kV |
* The above mentioned values are typical analytical values obtained on material when tested as per applicable standards under controlled laboratory conditions and should not be construed as Specifications for the product.
Certificates
FAQs
1. What is a Heat Shrink Shroud?
A Heat Shrink Shroud is a protective sleeve made from cross-linked polymer material that shrinks when heat is applied. It provides insulation, sealing, and mechanical protection for cables, joints, and terminations.
2. How does a Heat Shrink Shroud work?
When heat is applied using a heat gun or torch, the shroud shrinks uniformly and tightly wraps around the cable or joint, creating a secure and sealed covering.
When heat is applied using a heat gun or torch, the shroud shrinks uniformly and tightly wraps around the cable or joint, creating a secure and sealed covering.
3. What material is Heat Shrink Shroud made of?
It is typically made from cross-linked polyolefin material, often containing carbon black for UV resistance and weather protection.
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