SAFE. RELIABLE. EFFECTIVE.
BRENT Overhead Line Insulation Cover is a high-performance protective cover designed to insulate existing bare lines in critical environments. Whether in substations, railways, or other high-exposure sites, these sleeves provides a robust barrier to enhance system reliability.
Efficient Installation: Engineered for fast and easy application to minimize downtime.
Environmental Durability: Offers superior resistance to UV radiation, abrasion, and harsh weather conditions.
Electrical Integrity: Features high dielectric strength to ensure consistent insulation performance
Wildlife & Vegetation Protection: Prevents electrical failures and short circuits caused by contact with trees or local wildlife.
System Retrofitting: Widely utilized to insulate bare overhead lines in existing substations and railway networks.
| Code | Max Conductor Size (sq.mm) | Max Conductor Diameter |
|---|---|---|
| BOLIS 14 | Up to 70 | 14mm |
| BOLIS 18 | Up to 185 | 18mm |
| BOLIS 31 | Up to 400 | 31mm |
| BOLIS 38 | Up to 800 | 38mm |
|
| Property | Requirement | Test Method |
| Tensile Strength | ≥12.0 | ISO 604 |
| Ultimate Elongation | ≥400% | ISO 604 |
| Dielectric Strength | ≥20 Kv/mm | IEC 24, ASTM D 149 |
| Volume Resistivity | ≥1.0×1014 Ω.cm | IEC 93 |
| Thermal Endurance | ≤90∘C | IEC 216 |
| Water Absorption | ≤0.1 | ISO 62 |
| Low Temp. Impact | No Cracking (−50±2∘C) | UL-224-1992 |
| Fire Test | PASS (960±15∘C) | Internal |
CORE Heatshrink Products Company
48, Tyagi Garden, Yamunanagar-135001, Haryana (India)
coreheatshrink@gmail.com
enquiry@coreheatshrink.com
+91-981-3213-489,
+91-972-9423-780
+91-989-6810-913
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