inquiry
English
English French German Portuguese Spanish Russian Japanese Korean Arabic Irish Greek Turkish Italian Danish Romanian Indonesian Czech Afrikaans Swedish Polish Basque Catalan Esperanto Hindi Lao Albanian Amharic Armenian Azerbaijani Belarusian Bengali Bosnian Bulgarian Cebuano Chichewa Corsican Croatian Dutch Estonian Filipino Finnish Frisian Galician Georgian Gujarati Haitian Hausa Hawaiian Hebrew Hmong Hungarian Icelandic Igbo Javanese Kannada Kazakh Khmer Kurdish Kyrgyz Latin Latvian Lithuanian Luxembou.. Macedonian Malagasy Malay Malayalam Maltese Maori Marathi Mongolian Burmese Nepali Norwegian Pashto Persian Punjabi Serbian Sesotho Sinhala Slovak Slovenian Somali Samoan Scots Gaelic Shona Sindhi Sundanese Swahili Tajik Tamil Telugu Thai Ukrainian Urdu Uzbek Vietnamese Welsh Xhosa Yiddish Yoruba Zulu Kinyarwanda Tatar Oriya Turkmen Uyghur
Leave Your Message
tubular electric heating element.jpg

220V 380V Electric Heating Elements from China Suppliers - High-Quality Factory Production

,

Introducing our high-quality single-ended electric heating elements, also known as tubular heating elements or spring-loaded electric heating elements, manufactured in China. These innovative heating elements are ideal for applications where wiring at both ends is not possible. Designed to generate heat efficiently through the flow of current and internal resistance, our products cater to diverse heating needs. Under constant voltage conditions, it's essential to understand that higher resistance results in lower power output, while lower resistance means greater power output. As a trusted supplier and factory based in China, we prioritize quality and performance in our electric heating solutions.

,
    Contact us
    Technical Parameters

    Component Structure of Single-Head Electric Heating Tube

    A single-head electric heating tube is engineered with high-quality materials to ensure efficient thermal conductivity and long-lasting performance. The product composition includes:

    Stainless Steel Casing

    Provides outer protection, corrosion resistance, and high-temperature durability.

    Magnesium Oxide Tube

    Serves as a structural core for winding the heating wire and ensures electrical insulation.

    Heating Wire

    The primary resistance element that generates heat when electrical current passes through.

    Magnesium Oxide Powder

    Fills the gaps to provide excellent thermal conductivity and high-dielectric insulation.

    Sealant

    Prevents moisture and contaminants from entering the heating tube, ensuring safety.

    Lead Rod / High Temp Wire

    Connects the internal heating element to the external power source securely.

    Frequently Asked Questions

    What is the role of the stainless steel casing in a heating tube?

    The stainless steel casing protects the internal components from mechanical damage, corrosion, and oxidation under high operating temperatures, ensuring the longevity of the heating tube.

    Why is magnesium oxide powder used inside the heating tube?

    Magnesium oxide (MgO) powder has high thermal conductivity and excellent electrical insulation properties. It transfers heat efficiently from the heating wire to the outer casing while preventing electrical leakage.

    What is the purpose of the sealant?

    The sealant blocks ambient moisture from entering the magnesium oxide powder. If moisture is absorbed, the insulation performance drops, which can cause electrical short circuits or failures.

    When should I use a high-temperature wire instead of a lead rod?

    High-temperature wire is preferred when the application requires flexibility and direct movement near the connection point. Lead rods are more rigid and suitable for fixed terminal connections.

    What causes a single-head electric heating tube to burn out?

    Common causes include improper voltage, excessive heat accumulation due to poor contact with the heated medium, moisture ingress through degraded sealant, or using materials unsuitable for the operating temperature.