Bobbin Heaters for Industrial Heating Applications
MN Machinery Auto Trading supplies Bobbin Heaters, designed for indirect heating of liquids and gases in industrial systems. These heaters are installed into pockets within process tanks or vessels, allowing replacement without draining the system, making them ideal for large storage tanks. Bobbin heaters are commonly used in electric boilers, water heaters, furnaces such as hot air dryers, air/oil heaters, industrial baths and tanks, and processes like shrinkage and welding.
These heaters are manufactured with 304 Stainless Steel, SUS304, or SUS310S sheaths and utilize Ni-Cr 80/20, HRE, or Kanthal heating wire capable of withstanding high temperatures up to 1200°C. Bobbin heaters are customizable in diameter, immersion length, and power, and come with threaded pin connections. Terminal enclosures are available in IP54 standard or IP66 waterproof options to suit various industrial requirements.
Key Features
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Sheath Material: 304 Stainless Steel, SUS304, SUS310S
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Heating Types: Air (direct) or Liquid (indirect)
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Diameter Options: 26/30/43/46~47/57mm, or customized
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Power: Up to 200W, customizable
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Resistance Wire: Ni-Cr 80/20, melting point 1400°C
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Immersion Length: Customized
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Maximum Operating Temperature: 1200°C
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Connection: Threaded pin for cable connection
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Voltage: Standard 220–380V, customizable
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Terminal Enclosure: IP54 standard or IP66 waterproof
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Electric Heating Wire: NiCr, HRE, or Kanthal
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Customizable Length and Size: Regular or as per requirements
Typical Applications
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Indirect heating of liquids and gases in tanks and systems
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Electric boilers and water heaters
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Furnaces, hot air dryers, and industrial baths/tanks
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Air and oil heaters
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Industrial processes such as shrinkage and welding
Example Model Specification (OJS-40400)
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Voltage: 220V
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Power: 2500W
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Size: ID 40 × 400 mm
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Material: Ceramic
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Net Weight: 0.8 kg



