RUBNS-OLC
Silicon Rubber Overhead Line Cover
Description
The innovative product design, ease of installation. Use silicon rubber material, anti-aging, corrosion resistance, with good resistance to corona resistance, high temperature performance, especially suitable for the protection of the bare wire. Widely used in substation protection works and railway catenary system, a significant effect in the cross-lines.
Product Dimensions
Voltage Ratings/Wall Thickness
Silicon Rubber Overhead Line Cover
Description
The innovative product design, ease of installation. Use silicon rubber material, anti-aging, corrosion resistance, with good resistance to corona resistance, high temperature performance, especially suitable for the protection of the bare wire. Widely used in substation protection works and railway catenary system, a significant effect in the cross-lines.
| Serial No. | Properties | Unit | Standard Data | Test Results | Test Methods |
| 1 | Electrical Strength Test | KV/mm | 20 | 22 | GB/T 1408.1-2006 |
| 2 | Volume Resistivity | Ω.cm | 1×10 14 | 2×10 14 | GB/T 1410-2006 |
| 3 | Dielectric Constant | 2-3 | 2.3 | GB/T 1409-2006 | |
| 4 | Shore Hardness | 70±5 | 7.1 | GB/T 531 | |
| 5 5.1 5.2 | Mechanical Properties Before ageing Tensile Strength Elongation at break After Heat ageing(180degrees C, 7d) Tensile Strength Change Elongation Change | MPa % | 200 ±30 ±30 | 5.5 243 13 -22 | GB/T 528 |
| 6 | Low Temperature Elongation(-15degree C , 2h) | % | 20 | 190 | GB/T 2951.4-1997 |
| 7 | Low Temperature Flexibility(-50degree C , 4h) | - | No cracks | No cracks | UL224-2004 |
| 8 | High Temperature Crack Resistance(155degree C, 2h) | - | No cracks | No cracks | GB/T2951.6-1997 |
Product Dimensions
| LJ Stranded Wire Cross-sectional Area(Nominal) | O.D. Of LJ Stranded Wire(mm) | Silicone Rubber Sleeving Covers Models |
| 16 mm²ID | ||
| ID10 | ||
| 35 mm² | 7.50 | ID10 |
| 50 mm² | 9.00 | ID12 |
| 70 mm² | 10.80 | ID12 |
| 95 mm² | 12.48 | ID17 |
| 120 mm² | 14.25 | ID17 |
| 150 mm² | 15.75 | ID20 |
| 185 mm² | 17.50 | ID20 |
| 210 mm² | 18.75 | ID24.2 |
| 240 mm² | 20.00 | ID24.2 |
| 300 mm² | 22.40 | ID24.2 |
| 400 mm² | 25.90 | ID30 |
| 500 mm² | 29.12 | ID32 |
| 630 mm² | 32.67 | ID35 |
| 800 mm² | 36.90 | ID39.8 |
Voltage Ratings/Wall Thickness
| Voltage(kV) | ≤10kV | ≤35kV | ≤110kV | ≤220kV |
| Thickness(mm) | 2.3mm | 2.3-3.0mm | 4.0-6.0mm | 6.0-8.0mm |