Long Rod Silicone Rubber Polymer Insulator With Eye
Products Description
What is Silicone insulator?
Our factory is a professional manufacturer of composite insulators, with 17 years of extensive production experience. One of our core raw materials, silicone rubber, has been repeatedly tested and fine-tuned by our engineers. This enables the silicone rubber to bond tightly with the glass fiber core rod, allowing our composite insulators to fully perform to their intended capacity with enhanced hydrophobic properties. As a result, we are one of the reliable and long-term suppliers of State Grid Corporation of China.
Long rod insulators are slim, high-voltage insulators designed for the suspension or tensioning of overhead transmission lines. They provide reliable electrical insulation and strong mechanical support, and are manufactured in either composite materials (silicone rubber with a fiberglass core) or porcelain. Compared with traditional cap-and-pin insulators, long rod insulators offer higher mechanical strength, lighter weight, and superior performance in polluted environments.
Key Features and Advantages：
Excellent Operational Performance: Composite long rod insulators rated from 10kV to 500kV+ feature outstanding hydrophobic properties, delivering 30%–50% higher pollution resistance than porcelain insulators, especially suitable for heavily contaminated environments.
Lightweight and Space-Saving: With a weight reduction of up to 90% compared to porcelain types, they significantly ease transportation, installation, and line design.
High Mechanical Capacity: Engineered to withstand high tensile forces, ensuring reliable performance under harsh conditions and long-span applications.
Robust Construction: Built with a high-strength fiberglass core reinforced with epoxy resin and protected by a silicone rubber housing with weather sheds.
Flexible Configurations: Supplied with multiple end fitting options, such as ball, socket, tongue, and clevis, to suit different installation requirements.
The Specification
Technology First
Customzied Insulator available
Dimensions:
Height: 1381±20mm
Min Dry Arcing Distance:1125mm
Min Creepage Distance:3450mm
Diameter of the rod:φ18mm
Coupling Dimensions: Eye Eye
Number of sheds:41
Raw Materials:
End Fitting Materials Eye: Forged Steel or Cast Steel , Hot Dip Galvanzied,
Minimum of thickness of the Galvanization:86um
Core Material: Epoxy&Glass Fiber , Acid-Resistant Type
Diameter:φ18mm
Weather sheds materials: HTV Silicone
Color:Gray
Application
Transmission and Distribution Systems: Suitable for suspension, tension, and dead-end applications on overhead lines.
Compact Line Designs: Their slim, elongated structure allows for reduced tower size and optimized line layouts.
Highly Polluted Environments: Widely used in areas with severe pollution due to excellent resistance to environmental and surface contamination.
Wuhan Line Power
Line Power has been a key supplier to the State Grid of China and the Ministry of Railways for over ten years.
Our products are sold worldwide, and we provide a variety of items to several well-known brand companies.
FAQ
1. What products do you mainly produce?
We mainly produce composite insulators, including suspension insulators, pin insulators, post insulators, line post insulators, and related composite insulation products.
2. Can customers visit and inspect the factory?
Yes. Factory visits, inspections, and third-party audits are warmly welcomed at any time.
3. What is your delivery time?
Standard products can usually be delivered within 1–2 weeks based on available materials. Delivery time for customized products depends on order quantity and technical requirements.
4. Could you offer Form A or C/O etc. certificate of origin ?
Yes, of course. We can provide them as required.And COC documents are available.
5. What's the payment term?
T/T and L/C available.
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