High Temperature Embedded Insulating Sleeve for Transformer Coil Insulation in Power Systems
Product Spotlights
Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer since 1998. Our High Temperature Embedded Insulating Sleeve is specially engineered for transformer coil insulation in power systems, offering superior thermal and electrical performance. With an annual export value of US$5 Million to US$10 Million, we serve global markets including North America, Europe, Southeast Asia, and more. This product is designed to enhance the reliability and safety of transformers, motors, and other high-voltage equipment.
The insulating sleeve is made from high-quality silicone rubber or fiberglass materials, ensuring excellent heat resistance up to 200°C. It is embedded with a reinforced layer for added mechanical strength, making it ideal for tight spaces and demanding conditions. Key benefits include:
- Exceptional dielectric strength (≥15 kV/mm) to prevent electrical breakdown.
- Flexible and easy to install – can be cut to length or supplied in custom sizes.
- Flame retardant properties (optional VW-1 rating) for enhanced safety.
- Resistant to oils, chemicals, and moisture, extending the life of your transformer.
- Available in various colors and thicknesses to suit different applications.
Technical Specifications:
| Property | Value |
| Operating Temperature | -40°C to +200°C |
| Dielectric Strength | ≥15 kV/mm |
| Tensile Strength | ≥5 MPa |
| Elongation at Break | ≥200% |
| Flame Retardancy | VW-1 (optional) |
| Color Options | White, red, black, custom |
Certifications and Quality Assurance: Our factory follows strict quality control procedures. While we do not claim any specific certifications, all products undergo rigorous testing for dielectric strength, thermal endurance, and dimensional accuracy. We are committed to delivering consistent quality that meets your requirements.
Applications: This insulating sleeve is widely used in power transformers, distribution transformers, coil winding, motor leads, and busbar insulation. It is also suitable for embedded insulation in high-temperature environments such as furnaces and electric vehicles.
Customization Options: We offer flexible customization including inner diameter, wall thickness, length, color, and packaging. Whether you need a specific size for a prototype or bulk production for OEM projects, we can accommodate your needs.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
- Over 25 years of manufacturing experience (since 1998).
- Annual export value of US$5 Million – US$10 Million, serving global clients.
- Convenient shipping ports: Tianjin, Qingdao, Shanghai, Foshan.
- Main markets span across North America, South America, Europe, Asia, Africa, and Oceania.
- Dedicated R&D team to support product improvement and custom designs.
- Competitive pricing without compromising quality.
We invite you to experience our high-quality insulating sleeves. Contact us today for a quote or to discuss your specific requirements. Let us be your reliable partner in power system insulation.
Frequently Asked Questions (FAQ)
-
Q: What is the maximum operating temperature of this sleeve?
A: The sleeve can withstand continuous operating temperatures up to 200°C, with short-term peaks up to 250°C. -
Q: Is this product suitable for outdoor use?
A: Yes, the material is UV-resistant and weatherproof, making it suitable for outdoor transformer applications. -
Q: Can I get custom sizes?
A: Absolutely. We can manufacture sleeves with custom inner diameters, wall thicknesses, and lengths. Please provide your specifications. -
Q: Does the sleeve have any certifications?
A: While we do not list specific certifications, our products meet common industry standards for dielectric strength and flame retardancy. We can provide test reports upon request. -
Q: How is the sleeve packaged for shipping?
A: Typically on spools or in rolls, depending on size. Cut pieces are also available. We can customize packaging per your order. -
Q: What is the lead time for bulk orders?
A: Lead time depends on quantity and customization. Standard orders ship within 10-15 working days. Please contact us for exact timing. -
Q: Can I request a sample before ordering?
A: Yes, we offer free samples (shipping cost applies). Contact our sales team to arrange. -
Q: Is this sleeve compatible with oil-immersed transformers?
A: Yes, the material is resistant to mineral oils and other dielectric fluids commonly used in transformers.
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