| Typical Line Voltage (kV) |
Section Length (mm) |
Dry Arcing Distance (mm) |
Leakage Distance (mm) |
Specified Cantilever Load (SCL, kN) |
Max. Design Cantilever Load (MDCL, kN) |
1min. Power Frequency Withstand Voltage (kV) | Lightning Impulse Withstand Voltage (kV) |
| 66 | 912±15 | 740 | 2030 | 22.2 | 11.1 | 185 | 410 |
RAW MATERIALS:
| End Fittings | Core | Sheds and Housing |
| Hot dip galvanized cast iron or cast steel | Epoxy & Glass fiber (ECR is available) |
HTV Silicone Rubber |
| Min. thickness of the galvanization: 86μm | Diameter(mm): Φ38, Φ40, Φ55, Φ70, Φ90, Φ120 | Color: Grey, Red |
Advantages Of Power Line Insulators
Our company specializes in manufacturing high voltage insulators designed for transmission lines, featuring a structure composed of rubber, epoxy glass fiber core, and metal end fittings. power line insulators offer several advantages compared to ceramic and glass counterparts:
1. Compact and Lightweight: Significantly smaller and lighter (1/7~1/10 times) than ceramic insulators of the same voltage. The shed's good elasticity makes it durable, easily transportable, and cost-effective.
2. High Mechanical Strength: The fiberglass-reinforced plastic (FRP) rods boast exceptional tensile strength (5-10 times that of ceramics), allowing for the production of large-tonnage insulators.
3. Excellent Antifouling and Aging Resistance: Silicone rubber sheds, produced through injection molding, exhibit superior hydrophobicity and mobility. This ensures a high resistance to pollution flashovers and electrical corrosion.
4. Easy Installation and Maintenance: Reduces maintenance costs and manual labor intensity, contributing to simplified installation and upkeep.
5. Streamlined Production Process: Simplicity and efficiency in manufacturing lead to short delivery times.
Enhance your power infrastructure with our high-quality high voltage insulators. Explore the advantages of our silicone insulators for power lines.
Technology Characteristics
Our composite insulators boast a water-repellent, UV, and corona-resistant silicone rubber housing. The HTV-injected weather sheds exhibit outstanding performance, chemically bonded to the rod. Metal fittings are securely fixed to the fiberglass core, maximizing mechanical strength.
For added protection, a corona ring is applied to the metal fittings, shielding the housing. The fiberglass-reinforced resin rod features a hydrolysis-resistant resin system. A 3mm-thick HTV silicone rubber sheath enhances mechanical characteristics and reduces the FRP rod's electric field strength.
This sheath provides additional protection during handling and installation. Our insulators feature a metastable silicone sealing system, preventing moisture ingress to the FRP rod. Elevate your power infrastructure with our advanced composite insulators.
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