| Minimum Order Quantity: | 400 pcs |
| Price: | Negotiable |
| Packaging Details: | plywood case, fumigated solid wood case |
| Delivery Time: | 45~50 days EX-works |
| Standard: | IEC 61109, ANSI C29.1 |
This disc insulators series consists of three integral components: a glass fiber epoxy resin drawing rod, a silicone rubber umbrella skirt, and metal fittings. The silicone rubber umbrella skirt is manufactured using a comprehensive injection and compression process, effectively addressing a crucial issue that impacts the reliability of composite insulators-the interface electrical breakdown.
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 |
Notes:
1. Disc insulators customizable color options available.
2. Electrical data below 220kV pertains to composite line post insulators without corona rings and mounted vertically. For 220kV and above, Wuhan Line Power recommends installing corona rings.
3. Additional section lengths and creepage distances are customizable. Contact the sales agency for detailed information.
4. All dimensions, tolerances, and tests adhere to allowable IEC standards or ANSI standards.
5. All dimensions are in millimeters (mm). Specify inches and pounds if required.
6. Design customization is available to meet end user requirements.
| Ambient temperature | AC power supply frequency | Earthquake intensity | Altitude | Maximum wind velocity |
| -40°C~+40°C | ≤100 HZ | ≤8 | ≤1500m | ≤35 m/s |
FEATURES:
The silicone rubber housing of the Composite Line Post Insulator is formed through a complete injection process. It exhibits excellent hydrophobicity, hydrophobicity migration, and soil resistance. Additionally, it possesses outstanding electrical insulation properties and aging resistance, effectively preventing pollution flashover incidents and ensuring the secure operation of high voltage transmission lines.
The modified ECR fiberglass-reinforced epoxy resin rod is employed due to its resistance to high temperature, stress corrosion, and acid attacks. It also offers fine damping action, high tensile strength (> 1200Mpa), and resistance to creep and fatigue failure. These properties effectively guarantee the internal insulation quality and mechanical strength of the insulators.
End fittings are crimped onto the fiberglass rod using a voice-operated displacement type crimper. This crimping technique imparts high mechanical strength with minimal dispersion. The production and assembly employ the most advanced automatic overall injection molding technique and crimping connection method. The entire crimping procedure is computer-controlled, with the results monitored by an ultrasonic detector to ensure the qualification of each product.
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