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High Temperature Iron Cast Band Heaters from China Suppliers - Reliable Factory for Plastics and Chemical Machinery

Cast iron coil heaters, manufactured in China, are renowned for their durable tubular heating elements encased in a high-quality die-cast iron shell. Operating efficiently within a temperature range of 150°C to 450°C, these heaters are ideal for various industrial applications. As leading suppliers and a trusted factory, we cater to the needs of plastics machinery, die heads, cable machinery, chemical processing, rubber production, and petroleum equipment. Choose our cast iron coil heaters for reliable performance and exceptional quality in your manufacturing processes
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    Technical Parameters

    Iron Cast Heater Characteristics

    Cast iron coil heaters utilize a tubular heating element as the heating element, which is bent into shape. After entering the mold, the outer shell is made of high-quality metal alloy and centrifugally cast into various shapes, including round, flat, right-angle, air-cooled, water-cooled, and other special shapes. After precision machining, they adhere closely to the heated object.

    Cast Aluminum Coils

    • Surface Load 2.5 - 4.5 W/cm²
    • Max Temperature 300 - 450°C

    Cast Iron Coils (Standard)

    • Surface Load 3.5 - 5.0 W/cm²
    • Max Temperature 500 - 600°C

    Cast Iron Coils (High Load)

    • Surface Load 4.5 - 6.0 W/cm²
    • Max Temperature 550 - 700°C

    Key Advantages & Performance

    High efficiency and uniform heat distribution across the surface.

    Excellent thermal conductivity eliminates hot and cold spots.

    Long operational life with strong mechanical and structural properties.

    Excellent thermal insulation, corrosion resistance, and magnetic field resistance.

    Energy Saving Performance

    Adding insulation to the outer heat dissipation surface and sintering the inner heat dissipation surface with infrared radiation can save up to 35% of electricity.

    Frequently Asked Questions (FAQ)

    QWhat shapes can cast iron coil heaters be formed into?

    They can be centrifugally cast into various shapes, including round, flat, right-angle, air-cooled, water-cooled, and other customized shapes to match your specific equipment needs.

    QWhat is the maximum operating temperature of cast aluminum coils?

    Cast aluminum coils support a surface load of 2.5-4.5W/cm² and operate at a maximum temperature range between 300°C and 450°C.

    QWhat are the temperature limits for cast iron coils?

    Standard cast iron coils can operate between 500-600°C (with a 3.5-5.0W/cm² load), while high-load cast iron coils can reach maximum temperatures of 550-700°C (with a 4.5-6.0W/cm² load).

    QHow do these heaters prevent uneven heating?

    The high-quality metal alloy shell features excellent thermal conductivity, ensuring uniform heat distribution across the surface and completely eliminating hot and cold spots.

    QWhat resistance properties do cast metal coils have?

    They offer high mechanical strength, long operational life, exceptional thermal insulation, strong corrosion resistance, and excellent magnetic field resistance.

    QHow can I achieve the 35% electricity savings?

    Energy savings of up to 35% can be achieved by adding insulation to the outer heat dissipation surface and sintering the inner heat dissipation surface with infrared radiation.