AHU/DUCT Heater Elements
Product Details
Jaye Heater Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of ahu/duct heater elements in China, also supports custom service. Welcome to wholesale high quality ahu/duct heater elements at competitive price from our factory.
You know that moment. It's the middle of winter, and your entire HVAC system's performance hinges on a single, critical component: the heating element. When it fails, everything stops. At Jaye Heater Technology, we get it. We've been in your shoes. For decades, we've not just manufactured heater elements; we've solved real-world heating problems for engineers and facility managers like you.
How AHU/DUCT Heating Elements Work?
An electric current passes through a tightly wound alloy resistance wire. This wire fiercely resists the electricity, converting electrical energy into intense, consistent heat. We house this wire in either a ceramic insulator (for open coil designs) or seal it within a robust metal sheath packed with magnesium oxide (for tubular elements). This heat transfers directly to the air moving through your duct or AHU, giving you the steady, predictable temperature rise your system design demands.
Types of AHU/DUCT Heating Elements
Open Coil Elements:
Open coil Heater elements feature a resistance alloy wire, precisely wound and supported by heavy-duty ceramic insulators, directly exposed to the airstream. This direct exposure allows for incredibly rapid heat transfer and a faster response to temperature changes than enclosed designs. They are a highly cost-effective solution for heating clean, standard air in commercial AHUs where space and budget are considerations. Their simple, robust design makes them a reliable, easy-to-install choice for a wide range of general HVAC applications that demand efficiency and quick recovery.
Finned Tubular Elements
For demanding HVAC applications, our finned tubular elements are the go-to, reliable workhorse. We construct them with a durable stainless steel sheath that protects the internal resistance wire from moisture, corrosion, and physical damage. The real genius lies in the helically wound aluminum fins we mechanically bond to the outside of this tube. These fins drastically increase the surface area exposed to the airstream, supercharging heat transfer efficiency. This allows you to achieve a much higher kW output in a more compact space compared to bare elements, making them the perfect, robust solution for delivering powerful, uniform heat where it matters most.
Specification of U-Shape Finned Heater Elements
| Product Description | Finned Type Electric Heater | ||||||||||||||||||||||||
| Application | Heating in Air Handling and Packaged Units | ||||||||||||||||||||||||
| Complies to Standard | IEC 335-1 | ||||||||||||||||||||||||
| Wattage Tolerance | ± 5% | ||||||||||||||||||||||||
| Shape | Hair Pin U | ||||||||||||||||||||||||
| Heating Element Material | 80/20 nickel chrome resistance wire, to be connected to terminal pins and centered in stainless steel grade 304L sheath metal tubes by compressed magnesium oxide | ||||||||||||||||||||||||
| Fin Material & Profile | Stainless Steel 304 L Helical fins to be tightly wound around tubular heating elements | ||||||||||||||||||||||||
| Terminals | Welded Nickeled / SS 304 M6 screw with the Nut and washer for termination | ||||||||||||||||||||||||
| Isolator Material | Ceramic Isolator between Terminal Pins and Tube | ||||||||||||||||||||||||
| Fixing Arrangement | 3/8 BSP Mild Steel Crimp Glands with Gasket | ||||||||||||||||||||||||
| Power Supply Voltage | 220 - 230 Volts 50/60 HZ | ||||||||||||||||||||||||
Some Popular models:
| Item # | Code | Size | Length, L | Watt Density | |||||||||
| kW | mm | W/cm² | |||||||||||
| 1 | MDH00002-142 | 0.5 | 450 | 1.9 | |||||||||
| 2 | MDH00002-143 | 0.75 | 2.9 | ||||||||||
| 3 | MDH00002-144 | 1.0 | 3.8 | ||||||||||
| 4 | MDH00002-145 | 1.5 | 610 | 4.0 | |||||||||
| 5 | MDH00002-146 | 2.0 | 810 | 4.0 | |||||||||
| 6 | MDH00002-147 | 2.5 | 915 | 4.4 | |||||||||
| 7 | MDH00002-148 | 3.0 | 5.3 | ||||||||||
| 8 | MDH00002-149 | 4.0 | 1020 | 6.3 | |||||||||
| 9 | MDH00002-150 | 5.0 | 7.9 | ||||||||||
| 10 | MDH00002-151 | 6.0 | 9.5 | ||||||||||
Why Jaye Heater Elements Stand Up When Others Burn Out
Anyone can wind a wire. The difference is in the details that determine longevity and safety. This is where our craft shines.
- The Right Material, Every Time: We don't cut corners. We use Incoloy and Nichrome resistance wires for superior oxidation resistance and high-temperature performance. Our sheaths are 304 and 316 stainless steel or incoloy, chosen based on your environment's corrosion potential.
- Built-In Protection, Not an Afterthought: Overheating is a killer. That's why our elements are designed to integrate seamlessly with thermal cut-offs and failsafe thermostats. We build the safety in, so you don't have to worry.
- Honest Watt Density: We rate our elements conservatively. While others might overrate to seem more powerful, we believe in honest performance that won't burn out prematurely. This means reliability you can count on.
- It's All in the Build: The quality of the magnesium oxide packing, the weld on the terminal seal, the bend radius-these are the things our veterans check obsessively. It's what makes our heaters last years longer.
AHU (Air Handling Unit) and duct heater elements are critical components in HVAC systems, designed to heat air efficiently and reliably across various environments. Their applications span commercial, industrial, agricultural, and specialized sectors, ensuring comfort, process efficiency, and safety. Here's a detailed breakdown of their key applications：
Commercial HVAC
This is where you most likely know them. Our open coil and finned tubular elements are the backbone of heating for:
- Big Box Stores & Office Towers: Moving massive amounts of air and need a steady, reliable heat source? That's our jam. We build heaters that handle the constant cycling and high CFM demands without burning out.
- Hospitals & Labs: It's not just about warmth; it's about precision and air purity. Our sheathed tubular elements help maintain critical temps and pressure gradients without introducing contaminants, keeping environments sterile and processes running.
Process & Industrial
This is where we get rugged. Our heavy-duty elements are built for more than just comfort.
- Drying & Curing: Need to flash-dry coatings on parts or cure composites? Our high-watt density finned heaters provide the intense, focused heat for manufacturing processes.
- Spot Heating for Machinery: Got a critical compressor or storage tank that can't get cold? A strategically placed duct heater is a classic, simple fix to prevent freezing and keep your equipment online.
Niche & Critical Applications
This is where the right build quality is non-negotiable.
- Parking Garage Ventilation: They need heaters that can cope with damp, corrosive air from melting snow and car exhaust. Our 316 stainless steel elements are built specifically for this harsh duty.
- Agriculture & Greenhouses: It's about protecting assets, whether it's a crop of tomatoes or a barn of livestock. Our units provide the robust, even heat needed to fight off frost and maintain consistent growing conditions, even in poorly insulated spaces.
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