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Help CenterEmbedded Insulating Sleeve for Transformer Winding, High Thermal Conductivity, 1.2mm ID
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Anping County Boli Hardware Wiremesh Products Factory (established 1998) is a professional manufacturer specializing in high-performance insulating components. Our Embedded Insulating Sleeve for Transformer Winding is engineered to deliver superior thermal management and electrical insulation in demanding transformer applications. With a precise 1.2mm inner diameter and high thermal conductivity, this sleeve helps reduce hot spots and prolong transformer life. Trusted by clients across North America, Europe, and Asia, our product combines decades of manufacturing expertise with rigorous quality control.
This sleeve is designed for embedding directly into transformer windings, providing a reliable barrier between conductors while effectively dissipating heat. The material offers excellent dielectric strength, mechanical flexibility, and resistance to thermal aging. Below are key technical specifications and benefits.
| Parameter | Value |
| Inner Diameter | 1.2 mm (standard) |
| Outer Diameter | Customizable (e.g., 2.0 – 3.0 mm) |
| Wall Thickness | 0.4 – 1.0 mm (optional) |
| Length | Customizable (available upon request) |
| Thermal Conductivity | ≥ 1.0 W/m·K |
| Operating Temperature | -40°C to +200°C |
| Dielectric Strength | ≥ 15 kV/mm |
| Material | High thermal conductivity insulating composite |
Key Features & Benefits:
- Enhanced Thermal Management: High thermal conductivity (≥1.0 W/m·K) efficiently transfers heat away from windings, reducing operating temperature and improving transformer reliability.
- Precision Embedded Design: The 1.2mm ID fits snugly over standard wire leads or pins, ensuring secure installation and consistent insulation performance.
- Electrical Insulation: Excellent dielectric strength protects against short circuits and arcing, meeting stringent insulation requirements for transformers.
- Durable & Flexible: Resistant to thermal aging, moisture, and mechanical stress; maintains shape under winding tension.
- Customizable Dimensions: Outer diameter, length, and wall thickness can be tailored to your specific winding geometry.
- Wide Operating Range: Suitable for continuous use from -40°C to +200°C, accommodating various transformer designs.
- Environmentally Friendly: RoHS compliant materials available upon request.
Applications: This sleeve is ideal for use in power transformers, distribution transformers, audio transformers, and other inductive components where insulation and heat dissipation are critical. It can be embedded in dry-type transformers, oil-immersed transformers (with proper material selection), and high-frequency transformers.
Why Choose Anping County Boli Hardware Wiremesh Products Factory? With over 25 years of manufacturing experience, we have shipped products to more than 20 countries and regions worldwide. Our annual export value of US$5–10 million demonstrates our commitment to quality and customer satisfaction. We offer flexible customization, competitive pricing, and reliable logistics from ports such as Tianjin, Qingdao, and Shanghai. Every sleeve is produced under strict quality control to ensure consistent dimensions and performance. Contact us today to discuss your specific requirements and receive a tailored solution.
Frequently Asked Questions (FAQ)
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Q: Can the inner diameter be customized to other sizes?
A: Yes, we offer custom inner diameters. Please provide your required ID and tolerance, and we will produce accordingly. -
Q: What is the maximum operating temperature?
A: The standard sleeve can operate continuously at up to 200°C. For higher temperature requirements, we can recommend an alternative material. -
Q: Is this sleeve suitable for oil-immersed transformers?
A: Yes, with appropriate material selection. Please contact us to confirm compatibility with your transformer oil. -
Q: What lengths are available?
A: Lengths can be customized. Typical minimum order quantity for custom lengths is 1000 pieces. -
Q: Does the sleeve have any certifications?
A: Our products are manufactured according to industry standards. Specific certifications (e.g., UL, RoHS) can be provided upon request and depending on the material. -
Q: What is the typical lead time?
A: For standard sizes, lead time is 7–10 days. Custom orders typically require 15–20 days, depending on quantity. -
Q: How do I place a sample order?
A: Samples are available. Please contact our sales team with your requirements, and we will provide a quote and shipping options. -
Q: Can I get a free sample for testing?
A: We offer paid samples, but the cost can be deducted from your first bulk order. Contact us for details.
Ready to improve your transformer performance? Our team is dedicated to providing high-quality insulating solutions. With a strong track record since 1998 and a global customer base, we are your reliable partner. Request a quote or ask for technical support today.
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