1 / 6Duct Heater
Duct Heaters represent advanced air heating technology specifically engineered for direct installation in air handling units, HVAC systems, and industrial ductwork to efficiently heat non-pressurized air streams. These sophisticated heating assemblies are designed to provide rapid thermal response, uniform airflow heating, and exceptional energy efficiency in demanding air treatment applications. The innovative design enables seamless integration into existing ductwork while delivering precise temperature control and optimal heating performance for diverse industrial and commercial air heating requirements.
Fast thermal response
Low pressure drop designs
High watt density up to 40 W/in²
- Energy-efficient operation with optimized heat transfer design
- Corrosion-resistant materials for harsh industrial environments
- Modular design enabling easy maintenance and element replacement
- Custom shapes and configurations for specific applications
- See all 14 features
Product Description
Key Features
- Energy-efficient operation with optimized heat transfer design
- Corrosion-resistant materials for harsh industrial environments
- Modular design enabling easy maintenance and element replacement
- Custom shapes and configurations for specific applications
- Uniform temperature profiles across entire duct cross-section
- Low pressure drop characteristics preserving airflow efficiency
- Rapid thermal response for quick temperature adjustments
- Advanced safety systems including airflow and temperature protection
- Hazardous area certifications for classified location applications
- Multiple element configurations optimizing heat transfer performance
- Precision temperature control with integrated sensor options
- Robust construction ensuring extended operational life
- Easy installation with flanged or slip-in mounting options
- Comprehensive control integration for automated operation
Construction
- 01
Advanced Heating Elements
Choice of open-coil NiCr elements, MgO-packed tubular elements, or finned-tubular configurations engineered for optimal heat transfer, rapid thermal response, and extended operational life.
- 02
Precision Mounting Frame
Robust galvanized steel or stainless-steel frame with flanged or slide-in rail configurations for secure duct installation, proper element support, and easy maintenance access.
- 03
Weather-Resistant Terminal Housing
IP65/67-rated, ATEX, or CIMFR certified electrical enclosure with ceramic terminal blocks and cable glands ensuring secure electrical connections and environmental protection.
- 04
Enhanced Fin Assembly
Optional galvanized steel or stainless-steel fins mechanically bonded to tubular elements for significantly improved convective heat transfer performance and thermal efficiency.
- 05
Thermal Insulation System
High-temperature ceramic fiber insulation and precision gasketing preventing heat loss, air bypass, and ensuring maximum thermal efficiency and operator safety.
- 06
Integrated Control Interface
Optional temperature sensors, control panels, and safety systems including airflow switches, over-temperature protection, and automated control interfaces for precise air heating management.
Specifications
- Frame Material Options
- Galvanized Steel, SS304/310/316/321 (application dependent)
- Heating Element Materials
- SS304/310/316/321, Incoloy, Titanium (custom options)
- Element Configuration
- Open Coil, Tubular, Finned Tubular (optimized designs)
- Maximum Watt Density
- Up to 40 W/in² (6.2 W/cm²)
- Power Rating Range
- Up to 2 MW (custom ratings available)
- Voltage Options
- Up to 600V AC/DC (customizable configurations)
- Air Velocity Range
- 0.5–20 m/s recommended for optimal performance
- Operating Temperature Range
- –20°C to 650°C air temperature
- Pressure Drop
- Optimized low pressure drop design
- Temperature Control Accuracy
- ±2°C with integrated sensors and controllers
- Safety Features
- Airflow interlocks, thermal cutouts, over-temp protection
- Mounting Options
- Flanged, slip-in, custom configurations available
- Enclosure Rating
- IP65/67 standard, hazardous area options available
- Service Life
- 5 to 10+ years typical HVAC operation
Applications
- HVAC air handling units and climate control systems
- Industrial drying ovens and curing tunnels
- Paint booths and powder coating production lines
- Food processing hot-air treatment systems
- Pharmaceutical cleanroom air handling
- Semiconductor manufacturing air treatment
- Annealing and heat treatment chamber heating
- Textile drying and fabric processing systems
- Dehumidification and moisture control applications
- Chemical processing ventilation heating
- Laboratory and research facility air conditioning
- Commercial building climate control systems
- Industrial process air preheating
- Cleanroom and sterile environment heating
Frequently Asked Questions
Available In
We manufacture the Duct Heater in India and export it to 20 countries. Choose yours for local supply details.
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