With 20 years experience, Hongtai Alloy is your trusted source for quality industrial spiral coil immersion heater with round flange as one of the leading suppliers of various heaters in China. Providing you with the most competitive price, we welcome you to buy the heater from our factory.
Product Description
This industrial spiral coil immersion heater with round flange is engineered specifically for high-efficiency liquid heating in commercial steamers, boiling tanks, water boilers, and process vessels. The element incorporates a specialized concentric spiral (coiled) tubular configuration, maximizing active heat exchange surface area within compact mounting footprints. The unit features a durable round flange mounting plate paired with upright connection pins, ensuring a secure, bolt-down mechanical seal and reliable liquid containment
Date sheets
| Parameter | Specification |
|---|---|
| Model / Part Number | HT-SCI-220V-SPIRAL |
| Operating Voltage | 220V AC / 380V AC (Custom voltages available upon request) |
| Power Rating | Custom engineered per application requirements |
| Wattage Tolerance | +5% / -10% (Per industrial standards) |
| Element Geometry | Concentric spiral / coiled tubular configuration for compact space heating |
| Mounting Interface | Round flange plate with secure bolt holes |
| Sheath Material | Food-grade Stainless Steel SUS304 or SUS316L (For corrosive fluids) |
| Terminal Enclosure | Upright threaded studs / connection pins |
| Insulation Resistance | Cold insulation resistance ≥100MΩ at 500V DC |
| Dielectric Withstand | 1500V AC / 1 min (Cold state) |
Features
- Direct Immersion Heating: Features a robust threaded hex head (screw plug) that mounts directly through tank walls or pipe fittings, immersing the tubular elements straight into the fluid for nearly 100% heat transfer efficiency.
- Integrated Thermowell: Includes a dedicated central hollow sensor sleeve alongside the heating coils, allowing for accurate, real-time temperature regulation without fluid exposure or requiring the tank to be drained during sensor replacement.
- Secure Electrical & Mechanical Design: Combines heavy-duty threaded plugs with an organized terminal block and protective insulation to withstand industrial vibration and ensure a secure power connection.
- Corrosion-Resistant Durability: Constructed from high-grade stainless steel (SUS304 or SUS316L), copper, or Incoloy, offering superior resistance to chemical corrosion, scaling, and harsh industrial liquids.
- Custom OEM Engineering: Fully tailorable to exact voltage, wattage density, thread sizes (BSP/NPT), and custom immersion lengths to match your proprietary tanks and fluid specifications.
Applications
- High-Density Spiral Design Advantages: The compact multi-turn coiled structure packs maximum heating length into a restricted space, delivering rapid heat-up times for water and steaming vats.
- Installation & Sealing: Install with a compatible high-temperature gasket against the vessel wall. Always apply balanced tightening force across the round flange bolt holes to prevent fluid leaks under continuous thermal expansion and vibration.
- Dry-Firing Hazard: Ensure the active spiraled section is 100% submerged in liquid before applying power. Operating in air will cause immediate element burnout and permanent equipment damage.
- Maintenance & Descaling: In hard-water areas, perform periodic descaling on the stainless steel sheath surface to maintain heat transfer efficiency and prevent localized overheating.
Company profile
Yancheng Hongtai Alloy Electric Apparatus Co., Ltd. is a professional heating element manufacturer established in 2008, specializing in rod heaters, band heaters, and infrared heaters. The company employs 10 experienced engineers and uses advanced machinery from Taiwan, Japan, and Germany. It holds CE and ROHS certifications and adheres to ISO 9001 ,CQC,CE,ROHS certifications standards for quality control.
Main products : cartridge heater,Tubular heater, Flexible heater, Infrared heater,silicone heater ,thermocouple, heating element, and other heating products. The factory introduced advanced automatic control system and online quality,inspection system to ensure the stability and reliability of product quality.
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