Bobbin Type Heater
Deep Heaters is a trusted bobbin heater manufacturer in India, delivering reliable and energy-efficient heating solutions for air and duct heating applications across industries.
Bobbin Type Heater for Industrial Heating Applications
Deep Heaters are manufacturers of high-performance industrial bobbin heaters to provide uniform and controlled heating of air, gases and enclosed chambers. They are common heaters that would be utilized in situations where safe surface temperatures, heat dissipation and long-service life are needed.
Electric bobbin heater systems are used to heat in ovens, dryers, air heaters, duct heaters, and process heating systems. Their rough construction and open-coil design features allow them to work in the environment, where the airflow is regular, and controlled heating is needed.
Deep Heaters is a long time bobbin heater supplier that assists industries that require consistent thermal output, enhanced system efficiency, and reliability in the continuous production processes.
What Is a Bobbin Type Heater?
A bobbin heater is an electrical air heating device that is mainly used to heat duct and enclosed systems of air or gas. It is made up of a ceramic bobbin or insulator which supports a helically wound resistance wire.
The coil of heating is commonly nickel-chromium resistance wire, which has been wound around ceramic bobbins in an even manner. These supports are made of ceramic, and offer a high level of electrical insulation as well as efficacious heat radiation to the surrounding air flow.
This open construction guarantees a high rate of heat transfer and reduces the amount of heat trapped in the element and is thus applicable in moderate to hot air heating.
Applications / Features of Bobbin Heater
Bobbin Heater from Deepak Heaters are commonly used in:
- Plastic Injection Molding Machines
- Extrusion & Blow Molding Equipment
- Polymer & Rubber Processing Machinery
- Packaging & Laboratory Systems
- Rapid Heat-Up
- Uniform Temperature Distribution
- High Temperature Capability: 450°C – 550°C
- Durable Construction
- Customizable Options
Technical Specifications
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Parameter
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Details
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|---|---|
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Voltage
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230V, 240V, 415V
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Watt Density
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2–6 W/cm² (varies with size & application)
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Maximum Operating Temperature
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Up to ~450–550 °C (depending on insulation & sheath)
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Diameter Range
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Typically matched to the barrel/mandrel (e.g., 20 mm – 300 mm)
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Width
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25 mm to 300 mm (custom widths available)
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Insulation Material
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High-temperature Ceramic Block and nickel chrome resistance wire
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Outer Sheath
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Stainless Steel (SS304 / SS316), Incoloy (for higher corrosion resistance)
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Termination Type
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Screw terminals, junction box, conduit entry, waterproof leads
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Types of Bobbin Type Heaters
Industrial grade bobbin heaters are developed on the basis of airflow environment, watt density, mounting frame, and operating temperature criteria towards providing steady and efficient heating actions.
Standard Bobbin Type Heater
Duct Mounted Bobbin Heater
Flanged Bobbin Heater
Custom Frame Bobbin Heater
Benefits of Using Bobbin Type Heaters
Bobbin type heaters offer a practical and durable solution for air and gas heating systems operating within controlled environments.
Excellent heat dissipation due to open coil design
Uniform air heating performance
Durable ceramic insulation support
Suitable for continuous operation
Easy maintenance and replacement
Cost-effective solution for air heating applications
How Does a Bobbin Type Heater Work?
Bobbin type heaters operate on the principle of electrical resistance heating, converting electrical energy into thermal energy and transferring it directly to flowing air or gas.
1
Activation of Electric Current
At the moment of the supply of electrical power, the current passes through the nickel-chromium resistance wire winding around the bobbins made of ceramics.
2
Thermal Energy Generation
When the electric current is flowing through the resistance wire, the electric current produces heat as a result of electrical resistance.
3
Heat Radiation and Convection
The open-coil design allows heat to radiate outward and transfer directly to passing air through natural or forced convection.
4
Controlled Air Heating
As air flows over the heated coils, it absorbs thermal energy and exits the system at the desired temperature, maintaining process stability.
Installation and Maintenance Guidelines
Proper installation and routine inspection are essential for maintaining heating efficiency and extending the service life of bobbin type heaters.
- Ensure adequate airflow before energizing the heater
- Mount securely within the duct or frame assembly
- Verify correct voltage and power rating before connection
- Avoid direct contact with foreign materials
- Inspect ceramic supports and coils during routine maintenance
Custom Bobbin Type Heater Manufacturing
Deep Heaters is a manufacturer of bobbin type heaters as one of the primary manufacturers of bobbin heaters in India it has been designed to fit the particular airflow systems and industrial heating needs. The units are designed with accurate electrical specifications and structural designs to facilitate the proper inclusion into process equipment.
- Custom voltage and wattage configurations
- Frame-mounted or duct-compatible designs
- Temperature sensor integration options
- Corrosion-resistant materials for harsh environments
- Scalable manufacturing for OEM applications
Quality Standards and Testing
Each type of bobbin heater produced by Deep Heaters has a formal inspection procedure to confirm the electrical safety, thermal stability of operation, and mechanical stability.
High-voltage insulation testing
Electrical continuity verification
Coil resistance
validation
Controlled heat load performance testing
Bobbin Type Heater FAQs
What applications are bobbin type heaters commonly used for?
What operating temperature can bobbin type heaters handle?
What causes failure in bobbin type heaters?
Can bobbin type heaters run continuously?
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