With 20 years experience, Hongtai Alloy is your trusted source for quality industrial double u tubular immersion heater 220v 380v 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 double U tubular immersion heating element is engineered specifically for direct-liquid thermal transfer in high-capacity water storage tanks, chemical processing baths, electroplating vats, and industrial fluid reservoirs. The assembly features a paired dual-loop (W-shaped) tubular configuration that concentrates an extensive heating length into a compact mounting footprint. Built with robust hex bushing fittings and secure terminal mounting studs, this immersion unit ensures dependable mechanical fastening, reliable liquid containment, and stable electrical power distribution under heavy industrial operation.
Date sheets
| Parameter | Specification |
| Model / Part Number | HT-DUAL-U-IMM |
| Operating Voltage | 220V AC / 380V AC (Custom multi-phase voltages available upon request) |
| Power Rating | Custom engineered per specific application requirements |
| Wattage Tolerance | +5% / -10% (Per industrial manufacturing standards) |
| Element Geometry | Dual U-bend (W-shaped) multi-loop tubular layout |
| Mounting Interface | Threaded hex brass/stainless steel bushing fitting |
| Sheath Material | Premium SUS304 / SUS316L Stainless Steel or Copper |
| Terminal Enclosure | Threaded connector studs with ceramic insulators and locking nuts |
| Insulation Resistance | Cold insulation resistance ≥100MΩ at 500V DC |
| Dielectric Withstand | 1500V AC / 1 min (Cold state) |
Applications
- Restricted Space Efficiency: The dual-loop structure provides high power output within tight tank confines, making it ideal for compact industrial baths and commercial cleaning tanks.
- Installation Torque Control: Secure the heater by applying wrench tightening force exclusively to the hex bushing face. Avoid placing rotational torque onto the tubular loops to protect internal brazed seals.
- Mandatory Submersion Safety: Verify that the active heated zone is completely submerged in fluid before energizing the circuit. Dry-firing in open air will cause immediate element failure and permanent hardware damage.
- Routine Descaling & Maintenance: In mineral-heavy or hard-water environments, perform scheduled surface cleaning and descaling to preserve heat transfer efficiency and prevent localized overheating.
Hongtai Heater Factory Manufacturer
20 Years Manufacturing Experience: Hongtai has been dedicated to the manufacturing of industrial heating elements for two decades, ensuring precise thermal calculations for flange immersion heaters.
Certified Quality Systems: Hongtai strictly adheres to the ISO quality management process in production, conducting 100% full-power resistance and insulation testing before shipment to ensure the safety of the flange immersion heater.
Production Facility: Hongtai possesses a 10,000 m² manufacturing plant equipped with specialized engineering support for CAD design verification, customized flange dimensions, and strict OEM/ODM confidentiality agreements to ensure flange immersion heater quality.
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