High Voltage 70kN Glass Insulator U70BL Suspension

70kN Glass Insulator U70BL for towers. Reliable suspension insulator used in China, Vietnam, Iran, Algeria. Daily production of 10,000 pieces by Jiangxi Huayao Electric.

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    High-Quality Glass Insulators for Overhead Transmission Lines

    Jiangxi Huayao Electric Co., Ltd specializes in the production of glass insulators, essential components for providing insulation and support in overhead transmission lines. Our glass insulators are designed to ensure optimal performance and durability across a variety of applications, including high voltage transmission lines and electrified railways.

    Types of Glass Insulators

    • Standard Type: 40-550kN
    • Pollution Resistant Type: 70-400kN
    • Multi-Umbrella Type: 120-330kN
    • Aerodynamic Type: 120-300kN
    • Ground Wire Type
    • Contact Network for Electrified Railways

    Structural Composition

    Our glass insulators are composed of iron caps, tempered glass pieces, and steel feet, all bonded using cement adhesive. This robust construction ensures superior mechanical and electrical performance.

    Technical Parameters of Standard Disk Suspension Type Glass Insulator

    Model Diameter (D) mm Spacing (H) mm Creepage Distance (L) mm Mechanical Failing Load (kN) Power Frequency Withstand Voltage DRY (kV) Power Frequency Withstand Voltage WET (kV) Net Weight (kg)
    U70BL 255 146 320 70 70 40 3.5
    U160B/155 280 155 450 160 75 45 6.3

    Production Process

    Our production process ensures the highest quality standards through a series of meticulously controlled steps:

    • Mixing: Ingredients are uniformly mixed in precise ratios.
    • Melting: The mixture is heated to form a uniform glass liquid.
    • Pressing: The glass shape is formed using a hydraulic machine.
    • Tempering: Glass is cooled to achieve surface stress for durability.
    • Cold and Hot Shock: Tests are conducted to ensure stability and low self-explosion rates.
    • Glue Assembly: Components are assembled with precision to maintain structural integrity.
    • Inspection: Rigorous testing ensures compliance with standard requirements.
    • Packaging: Tailored packaging solutions meet customer needs worldwide.

    Why Choose Jiangxi Huayao Electric Co., Ltd?

    We are leaders in the market, renowned for the quality and reliability of our glass insulators. Our products are widely used across China and exported to countries like Vietnam, Iran, and Algeria. With a daily output of 10,000 pieces, we are committed to meeting the demands of our global clientele.


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