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Help CenterBlack Coated U-Shaped Oven Heating Element Tubular Heater 3KW / 4KW Two Sizes for Commercial Oven Fryer Dryer Heating Tube
Product Spotlights
Uniform black anti-rust coating on tube surface, high temperature resistant, anti-oxidation, long service life under dry heating environment.
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Black Coated U-Type Tubular Dry Heating Element
Product Overview
This U-shaped tubular heating element is a dry-firing electric heating component specially designed for air heating equipment. It adopts seamless metal tube with high-temperature black anti-oxidation coating, available in 3KW and 4KW two mainstream sizes, widely used as replacement spare parts for commercial ovens, industrial dryers, air circulation furnaces and food processing heating machinery.
Core Product Advantages
Dual Standard Size & Power Options
3KW model: Width 165mm, Length 335mm
4KW model: Width 182mm, Length 455mm
Two complete specifications cover most small and medium baking, drying equipment, support mass matching replacement.
High Temperature Anti-Oxidation Black Coating
Uniform black protective coating on the outer tube surface, effectively resist oxidation and rust under long-term high-temperature dry burning, avoid tube surface scaling and heat efficiency decline.
Multi-Bend U Shape for Balanced Heat Radiation
Multi-loop U bending structure expands heating radiation area, hot air circulates evenly inside oven/dryer, eliminate temperature dead zone and improve heating uniformity.
Safe Insulation & Stable Heat Conduction
High purity magnesium oxide insulation powder tightly filled inside the tube, isolate electric heating wire from metal tube, prevent leakage risk, stable heat transfer efficiency during continuous operation.
Simple Terminal Wiring Structure
Short exposed metal terminals at both ends, convenient for connecting high-temperature wire, match temperature controller, contactor and other electrical control components on site.
Wide Application Scenarios
Suitable for bakery convection ovens, industrial hot air circulation dryers, food drying furnaces, commercial deep fryers, small heating tunnels and all kinds of dry air heating equipment.
Main Technical Specifications
3KW Heating Tube
Rated Power: 3KW
Overall Width: 165mm
Overall Length: 335mm
Surface Treatment: High temperature black anti-rust coating
4KW Heating Tube
Rated Power: 4KW
Overall Width: 182mm
Overall Length: 455mm
Tube Structure: Multi-loop U-shaped seamless metal tube
General Parameters
Heating Medium: Dry air (dry burning type)
Internal Filler: High purity magnesium oxide insulation powder
Working Environment: Oven, dryer, air heating furnace
Connection Method: Direct wiring on exposed metal terminals
Application Scenarios
Food Processing Industry: Bakery convection ovens, pastry baking furnaces, commercial deep fryers
Industrial Drying Equipment: Hot air circulation dryer, plastic drying tunnel, hardware dehumidification oven
Heating Furnace Equipment: Small air heating furnace, laboratory constant temperature drying box
Catering Equipment: Commercial kitchen oven, snack baking heating spare parts
Packaging
Each heating tube wrapped with shockproof bubble film, separated by cardboard to avoid coating scratch, packed in export cartons for bulk orders. All heating elements pass insulation resistance and high temperature aging test before delivery.
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