Tubular Flat Heaters
Tubular Flat Heaters are an evolution of the traditional tubular design, engineered by Wattheat to provide maximum surface contact for superior heat transfer. These Flat Heaters deliver efficient, rapid, and uniform heat, making them an ideal, versatile heating element for industrial heating platforms and custom equipment where installation space is restrictive.
Tubular Flat Heaters
Tubular Flat Heaters are an evolution of the traditional tubular design, engineered by Wattheat to provide maximum surface contact for superior heat transfer. These Flat Heaters deliver efficient, rapid, and uniform heat, making them an ideal, versatile heating element for industrial heating platforms and custom equipment where installation space is restrictive.
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Industrial Tubular Flat Heaters: Maximized Surface Contact and Heat Efficiency
Wattheat tubular flat heaters (also known as flat tubular heating elements) are built using premium nickel-chromium resistance wire (NiCr 8020 or equivalent NiCr alloys) and high-purity magnesium oxide insulation compacted inside an Incoloy or stainless steel sheath. The distinctive flattened shape creates a larger contact surface area, increasing the heating contact area and improving heat dissipation efficiency compared to conventional round tubular heaters.
This design advantage makes flat heaters particularly effective as an alternative where standard round elements cannot provide sufficient contact or uniform heating. Connections can be configured with one, two or three pins on one or both ends, and lead wire length and material are fully customizable. Whether you need straight lengths or complex formed shapes, these flat tubular heaters offer the flexibility to fit virtually any application.
Key Features and Benefits for Industrial OEMs
Wattheat’s Tubular Flat Heaters are engineered to address the limitations of conventional round elements, delivering superior performance for high-demand industrial processes.
- Maximized Heat Transfer Efficiency:
- The flat profile significantly increases the surface area, enabling a higher effective watt density compared to standard round tubular heaters. This enhanced heat transfer efficiency ensures rapid response time and lower operational costs.
- The flat profile significantly increases the surface area, enabling a higher effective watt density compared to standard round tubular heaters. This enhanced heat transfer efficiency ensures rapid response time and lower operational costs.
- Superior Uniformity and Compact Design: These Flat Heaters deliver exceptional uniform heat distribution across the surface, which is crucial for quality control. Furthermore, the compact design allows for highly space-efficient installations in machinery with restricted space.
- Longevity and Robust Construction: Well-manufactured for a long operational life, these elements provide reliable heating over time. They are designed for ease of installation and are built to maintain structural integrity under high-temperature cycling.
- Custom Engineering Flexibility:
Flat tubular heaters offer high versatility; they can be custom-manufactured in various shapes, sizes, and custom bends to meet precise industrial heating requirements. They are fully compatible with modern control systems and automation technologies.
Technical Specifications
| Parameter | Specification |
|---|---|
| Output Power | Up to 35 W/cm² (450 W/meter, 600 W/meter or customized) |
| Voltage | 230 V standard; customizable, maximum 480 V |
| Heating Element Cross-Section | 13 × 6 mm |
| Sheath Material | Incoloy 800/825 or 304 stainless steel |
| Maximum Sheath Temperature | Incoloy: up to 760 °C (1400 °F); 304 stainless steel: limited to 650 °C (1200 °F) |
| Resistance Wire | High-grade NiCr 8020 or equivalent NiCr alloys |
| Insulation | 99.9% pure magnesium oxide powder; high purity, optimal particle size ratio, resistant to 1200 °C |
| Connection Head | One, two or three pins available; lead wire length and material fully customizable |
Applications of Flat Tubular Heaters in Industrial Processes
Flat heaters excel in scenarios requiring broad, even heat distribution and excellent surface contact.
Convection Heating: Used extensively in air ducts, industrial ovens, drying cabinets, and controlled-air enclosures where stable airflow heating is required.
Commercial Food Equipment: Integrated with fryer heating elements, pasta cookers, warming drawers, griddles, and steam tables to deliver fast, uniform surface heat for high-volume kitchens.
Plastic & Rubber Processing: Applied in preheating plates, sealing equipment, forming machines, and material-softening stations where precise flat heating is essential.
HVAC & Dehumidification: Installed in dehumidifiers, air-treatment modules, and climate-control systems to ensure steady thermal output under continuous duty.
Industrial Machinery: Used on presses, molds, lamination systems, conveyor heating sections, and other equipment requiring durable, space-efficient flat heaters.
Laboratory & Research Devices: Provides stable, repeatable heating on hot plates, sample conditioning platforms, analytical instruments, and thermal aging rigs.
Oil & Chemical Equipment: Serves as a reliable heating source for tank warmers, solvent evaporation trays, fluid-preparation chambers, and small industrial process heaters.
How to Order – Custom Flat Heater Solutions
To ensure correct configuration and precise compatibility with your equipment, please provide:
- Dimensions (length × width × thickness)
- Wattage & Voltage
- Lead type & exit direction
- Installation method (clamped, inserted, submerged, surface mount, etc.)
- Operating environment (oil heating, dry heating, vibration conditions, temperature requirements)
- Order quantity
- If available: Drawings or samples for exact replacement
Wattheat supports OEM & ODM customization for equipment manufacturers looking for reliable heating components with consistent batch quality.
Why Choose Wattheat Tubular Flat Heaters?
Wattheat manufactures industrial heater elements with strict material control, precise swaging and forming processes, 100% final inspection, and stable mass-production consistency. Our tubular flat heaters are trusted by OEM factories in food equipment, packaging machinery, and process-heating applications worldwide.
If your equipment requires dependable, long-lasting heating solutions, we can support both custom development and one-stop heating solutions for your production line.
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