WRKG
WRKG
Overhead Line Cover
The silicone rubber overhead line cover is our patented product. It is made of silicone rubber which is highly resistant to aging, erosion and corona. It can provide protection against electrical outages caused by incidental contact from tree branches or wildlife.
Tape Specification
Feature:
Made of cross linked polyolefin .
Simple and fast wraparound installation.
Built-in creepage fitting with longer creepage distance and better performance.
High resistance to aging and erosion.
Superior UV and abrasion resistance.
New product sealed with adhesive is available for 25kV.
Voltage class: 15 kV, 25 kV.
| Property | Test Method | Standard Value |
| Tensile Strength | ASTM-D-638 | ≥8MPa |
| Elongation at Break | ASTM-D-638 | ≥300% |
| Volume Resistivity | IEC 60093 | ≥1x1014Ω·cm |
| Dielectric Strength | IEC 60243 | ≥25kV/mm |
Specification Table:
| Product No. | Spec. |
Conductor Cross Section/mm2 |
Max Conductor Diameter/mm |
Thickness /mm(D) |
Length/mm (L) |
| Voltage class: Up to20kV | |||||
| WRKG-1 | Ф14 | up to 70 | 14 | 1.8±0.2 | 53±2 |
| WRKG-2 | Ф18 | 95/120/150 | 18 | 2.2±0.2 | 68±2 |
| WRKG-3 | Ф23 | 185/240 | 24 | 2.3±0.2 | 74±3 |
| WRKG-4 | Ф31 | 300 | 28 | 2.3±0.2 | 85±3 |
| WRKG-5 | Ф38 | 400-800 | 38 | 2.4±0.2 | 115±3 |
| Voltage class: 25kV and Above (Sealed with adhesive) | |||||
| WRKG-2* | Ф18 | up to 150 | 18 | 2.2±0.2 | 68±2 |
| WRKG-3* | Ф23 | 185-240 | 24 | 2.3±0.2 | 74±3 |
| WRKG-4* | Ф31 | 300 | 28 | 2.3±0.2 | 85±3 |
| WRKG-5* | Ф38 | 400-800 | 38 | 2.4±0.2 | 115±3 |
