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40kN Porcelain Insulator U40B from Factory: Is Porcelain an Insulator?

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From our factory: Is porcelain an insulator? Discover the U40B 40kN porcelain insulator for high voltage applications.


Product Detail
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Product Main Parameters

ParameterValue
Diameter190mm
Spacing140mm
Creepage Distance200mm
Coupling Size16mm
Mechanical Failing Load40kN
Tension Proof20kN
Dry Power-frequency Withstand Voltage55kV
Wet Power-frequency Withstand Voltage30kV
Dry Lightning Impulse Withstand Voltage75kV
Puncture Withstand Voltage90kV

Common Product Specifications

ModelDimensions (D x H)Mechanical Failing Load
U40B190mm x 140mm40kN
U70B/146255mm x 146mm70kN
U100B/146255mm x 146mm100kN

Manufacturing Process

The manufacturing process at Jiangxi Huayao Electric Co., Ltd. integrates advanced technology and rigorous quality control. Raw materials, including kaolin, feldspar, and quartz, are meticulously selected and mixed in precise proportions. The mixture is then shaped into blanks, dried, and glazed to ensure a smooth and uniform finish. The final product undergoes a high-temperature firing process that results in a dense, glass-like material with excellent insulating properties. This rigorous process guarantees that porcelain is an insulator capable of withstanding mechanical stress and environmental variations.

Product Application Scenarios

In electrical engineering, porcelain insulators play an essential role in power transmission and distribution systems. Used predominantly in high voltage applications, these insulators prevent unintended electrical conduction, ensuring safety and efficiency. Porcelain's durability, weather resistance, and insulating capabilities make it suitable for various settings, including overhead power lines, switchgear, transformers, and bushings in substations. The material’s ability to withstand mechanical and electrical stress makes it indispensable in maintaining reliable electrical infrastructure.

Product After-Sales Service

  • Responsive support team available for technical assistance and product inquiries.
  • One-year warranty on all insulator products, covering manufacturing defects.
  • Comprehensive resources and documentation for installation and maintenance.
  • Flexible replacement and return policy for defective products.

Product Transportation

Products are packaged in robust, export-grade materials to ensure safe transportation. Our factory partners with trusted logistics providers to offer timely deliveries worldwide. Shipping options include sea freight from the ports of Ningbo and Shanghai, supporting both small-scale and bulk orders. Real-time tracking is available for all shipments to ensure transparency and reliability.

Product Advantages

  • Factory-direct pricing ensures competitive costs without compromising quality.
  • Our factory's products are rigorously tested to meet international standards, confirming porcelain is an insulator fit for demanding environments.
  • High-performance insulators designed for ultra-high voltage applications, ranging up to 500kV.

Product FAQ

  1. Is porcelain an insulator?
    Yes, porcelain is an excellent insulator due to its dense, glass-like composition that resists electrical current flow and maintains high durability.
  2. What standards do the insulators comply with?
    Our factory ensures adherence to GB, ANSI, BS, DIN, AS, and IEC standards for all glass and porcelain insulators.
  3. What is the warranty period for the U40B insulator?
    The U40B insulator comes with a one-year factory warranty covering all defects in materials and workmanship.

Product Hot Topics

  1. Is porcelain an insulator suitable for high voltage?
    Absolutely, our factory specializes in producing porcelain insulators that meet the rigorous demands of high voltage applications, ensuring safety and reliability in power transmission systems.
  2. Factory advantages for porcelain insulators.
    Our factory’s direct manufacturing process allows us to maintain complete control over quality and cost, ensuring that our porcelain insulators are both high-performance and competitively priced.

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