○Rated voltage: AC 100~120V/220~240V 50/60Hz
○Rated power: according to customer requirements
○Maximum operating temperature: 800 °C
High-grade materials and engineered construction
Developed by experienced tubular heating elements manufacturers, these heating tubes utilise a stainless steel sheath (standard SUS 304, with options such as SUS 321 or Incoloy 840/800) and compacted magnesium oxide insulation for optimal heat transfer and durability. As an electric tube heater, the structure supports high watt-density applications in microwave ovens and conventional bake cavities. The design ensures minimal thermal lag, uniform heat distribution and resistance to oxidation, corrosion and mechanical fatigue. These elements integrate seamlessly in appliance cavities, enabling fast ramp-up and consistent performance. In collaboration with global electric heater manufacturers, the unit is engineered to meet appliance safety and longevity standards, ensuring that the heating system of your product remains reliable even under frequent heating cycles and varying loads.
Flexible design and full customisation for appliance integration
Recognising that each appliance design has unique constraints, our electric tube heaters offer full customisation of geometry (length, bends, mounting brackets), power ratings and voltage (AC 100–120 V or 220–240 V at 50/60 Hz). Whether used in countertop microwave ovens, built-in conventional ovens or high-throughput commercial bake units, we collaborate with OEMs to meet drawing-based specifications. What’s more, these modules can also serve in configurations similar to an electric duct heater, for airflow-based systems in cabinet or HVAC accessory applications—broadening utility beyond typical oven cavities. By partnering with leading electric heater manufacturers, we deliver manufacturing scalability from prototype to large-volume production, helping appliance firms streamline design and production.
Optimised performance, safety and long-term reliability
These electric tube heaters are engineered for both heat-generation and lifecycle endurance. Capable of operating up to approximately 800 °C (depending on sheath material and environment), they maintain structural integrity through repeated thermal cycling—vital for bake, broil or microwave-convection modes. With full quality-control measures typical of recognised electric heater manufacturers—such as insulation resistance testing, high temperature soak, dielectric strength tests and full traceability—the end product is a heating element with minimal hot-spots, stable thermal expansion, consistent output and reduced failure risk. Appliance OEMs sourcing from trusted tubular heating elements manufacturers can therefore deliver premium products with fewer service issues, superior durability and enhanced end-user satisfaction.
roduct Advantages
Superior materials for extended lifespan and extreme conditions
By selecting top-tier sheath materials like SUS 304 as standard and offering upgrades to SUS 321 or incoloy grades (Incoloy 840/800), these heating tubes provide outstanding resistance to oxidation, corrosion, scaling and mechanical fatigue. As one of the established tubular heating elements manufacturers, we understand the harsh conditions inside microwave and conventional oven cavities—frequent thermal cycling, exposure to cleaning agents, humidity and high surface temperatures. This robust material foundation supports high watt-density designs without compromising lifespan. For appliance manufacturers, this translates into fewer field failures, reduced maintenance costs and stronger product reliability—ultimately boosting brand reputation and reducing lifecycle expenses.
Comprehensive customisation supporting OEM integration and flexibility
As experienced electric heater manufacturers, we offer complete flexibility in geometry, mounting, terminal style, voltage and wattage. Whether your appliance design requires long straight tubes, U-shaped elements, compact modules or bent configurations, our electric tube heaters are tailored accordingly. Full customisation reduces redesign time, simplifies integration and expedites time-to-market for new products. With the added capability of adapting certain elements to function as electric duct heater modules in airflow or cabinet heating systems, product design boundaries expand. Manufacturers partnering with trusted tube heater suppliers benefit from both standard and custom shapes delivered with consistent manufacturing quality and support.
High operational efficiency and reliable performance over time
These heating tubes are designed for rapid warm-up, uniform temperature distribution and long-term stability. Built under the quality systems of recognised electric heater manufacturers, they undergo rigorous testing including insulation resistance, thermal cycling and full-load endurance. This ensures efficient energy use, stable heating output across usage cycles and minimal downtime. For appliance manufacturers and end users alike, this means fewer failures, better temperature consistency, fewer service interventions and a lower total cost of ownership. Utilizing components from leading tubular heating elements manufacturers means your appliances maintain high performance and reliability for many years.
Usage Scenarios
Built-in household ovens & microwave-convection units
In residential kitchens—whether built-in ovens, range ovens or microwave-convection combination units—these heating tubes serve as the main heating element for bake, broil or reheating modes. Installed within the cavity, the electric tube heater delivers rapid warm-up, even distribution of heat and consistent operation cycle after cycle. Appliance OEMs rely on tubular heating elements manufacturers to supply elements that precisely fit cavity geometry, meet electrical/power specifications and sustain lifespan across frequent usage. This supports consumer appliances to meet expectations for performance, durability and safety—enabling reliable baking, broiling or microwave-enhanced cooking.
Commercial baking ovens and food-service appliance equipment
In commercial kitchens, hotels, bakeries and food-service operations, the demands on heating elements are much higher—long service hours, high throughput, rapid recovery between cycles and rigorous usage conditions. Our heating tubes—manufactured by experienced electric heater manufacturers—are configured for such environments with higher watt-densities, robust sheath materials suited for humidity or aggressive bake atmospheres and mounting designs adapted for servicing. In these contexts, performance reliability is critical—downtime and inconsistent heating degrade output and cost money. Partnering with a trusted tubular heating elements manufacturers ensures that the heating subsystem remains robust, serviceable and tailored to heavy-duty needs.
OEM custom modules and airflow/duct-mounted heating systems
Beyond standard ovens, many equipment manufacturers design specialised appliances—such as hybrid microwave-convection units, commercial sterilisation ovens, rethermalisation cabinets or devices with air-flow modules. In these cases, the heating tubes can be adapted to also serve as an electric duct heater: mounted within air-handling units, cabinetry or retrofit modules to provide conditioned heating. With full customisation in geometry, power and termination, these electric tube heaters integrate into unique form-factors, offering flexibility for appliance innovation. OEMs benefit from collaborating with tubular heating elements manufacturers who support both standard and advanced heating modules—enabling brands to differentiate and deliver value while relying on dependable heating components.
About Us
Shenzhen Angel Electric Heater Co., Ltd. was formally established in December 1998 and operates as a national high-tech enterprise based in Shenzhen, Guangdong Province, China. For over thirty years, the company has specialised in the design, development and manufacture of high-end electric heating tubes and heating elements. The factory spans approximately 30,000 m² and employs more than 300 professionals dedicated to automated, efficient and high-quality production. The company has been a strategic partner and core supplier to major home-appliance groups, providing tailored heating solutions across both domestic and international markets. Its product range includes dry-burning tubes, water-dispenser heating pipes, frying-pan heating tubes, immersion heaters, microwave/oven heating tubes and advanced heating modules for industrial equipment. The business emphasises rigorous quality management: holding ISO-certified systems, along with CQC and UL certifications for product lines. With significant investment in R&D, the company has achieved multiple national patents and government-recognised awards for innovation in heating-element technology. Export markets span Asia, Africa and South America, reflecting its global footprint and OEM manufacturing capabilities. Beyond being a component manufacturer, Angel positions itself as a partner in heating-system optimisation—helping appliance and equipment manufacturers deliver efficient, reliable, energy-saving heating solutions globally.
FAQ
Q1: What customisation options are offered for these microwave & oven heating tubes?
A1: We offer full customisation: sheath material (standard SUS 304, optional SUS 321 or Incoloy alloys), geometry (length, bends, mounting), voltage (AC 100-120 V or 220-240 V 50/60 Hz) and power rating. As one of the experienced electric heater manufacturers, we support OEM-specific designs.
Q2: What is the maximum operating temperature for these heating tubes?
A2: Depending on sheath material and application environment, these tubes can operate at temperatures up to approximately 800 °C, making them suitable for demanding oven and microwave heating applications.
Q3: Are these heating tubes suitable for both household and commercial equipment?
A3: Yes, they are designed for both: household built-in ovens, countertop microwaves, combination appliances, commercial baking ovens and custom OEM modules including duct-mounted heating configurations.
Q4: How is product quality and reliability ensured?
A4: Our company holds ISO-certified quality management systems and product lines bearing certifications like CQC and UL. Manufacturing occurs in a 30,000 m² facility with over 300 staff and rigorous testing protocols (insulation resistance, thermal cycling, full-load tests)—reflecting the standards of leading tubular heating elements manufacturers and electric heater manufacturers.
Q5: How do I request a quote or submit a design for customisation?
A5: Contact us via the “Get A Quote” button on our website, or supply your drawing, application description, voltage/power requirement and material preference. Our team will promptly respond with a tailored quotation and technical support.