Core Value
Liquid heating demands robust materials capable of withstanding continuous thermal cycling, scale buildup, and chemical exposure. The 230V U Type Stainless Steel Immersion Water Heater features a dual-leg hairpin design (U shape immersion heating element) that maximizes surface heat transfer area while occupying minimal space inside tanks or vessels.
Utilizing high-purity MGO powder compacted around precision-wound Ni80Cr20 resistance wire, this stainless steel water heating element ensures fast warm-up times and uniform watt density distribution. Whether mounted via threaded hex plugs or welded mounting plates, this 230V tubular immersion heater offers superior structural integrity and moisture-proof terminal options for harsh industrial environments.
- ✓ High-Grade Stainless Steel Sheath: Constructed from seamless SUS304 or SUS316L tubing to provide maximum corrosion resistance and durability as a premium stainless steel water heating element.
- ✓ Efficient U-Shape Geometry: Dual-element U shape immersion heating element layout provides optimal surface area for rapid water circulation and thermal transfer.
- ✓ Superior Dielectric Strength: High-density compacted MgO insulation prevents electrical breakdown, ensuring safe operation as a 230V tubular immersion heater.
- ✓ Customizable Mounting Options: Available with M12/M14/M16/M18 threaded fasteners, 1″ or 1.5″ NPT brass/SUS hex plugs, or custom mounting plates.
- ✓ Moisture-Proof Terminal Enclosure: Options include silicone-sealed terminal leads, ceramic insulator caps, or IP65 explosion-proof terminal boxes.
Technical Specifications & Performance Data
| Parameter | Standard Specification | Customizable Options | Notes |
| Product Category | 230V U Type Stainless Steel Immersion Water Heater | Double U-Type, W-Type, Multielement Flanged Heaters | Ideal for direct liquid and water heating |
| Operating Voltage | 230V Single Phase Standard | 110V, 220V, 380V, 415V, 480V 3-Phase | Engineered for global industrial power standards |
| Power Rating | 1kW, 1.5kW, 2kW, 3kW, 4.5kW Standard | Custom wattages from 500W to 12kW+ per element | Watt density optimized to prevent liquid scaling |
| Sheath Material | SUS304 Stainless Steel Standard | SUS316L, SUS321, Incoloy 800 / 840, Titanium | Matched to water purity and chemical composition |
| Element Diameter | Φ8mm, Φ10mm, Φ12mm Standard | Φ6.5mm, Φ14mm, Φ16mm | Custom tube bend radius and leg lengths |
| Mounting Fixture | M16 × 1.5 Threaded Fasteners with Nuts | Brass/SUS Hex Thread Plug (1″, 1.25″, 1.5″, 2″ NPT/BSP) | Supplied with high-temp sealing washers |
| Insulation & Filler | High-Purity Compacted MgO Powder | High-temperature moisture-sealed MgO | Ensures high insulation resistance (>500MΩ) |
| Terminal Connection | M4/M5 Threaded Studs or Silicone Lead Wire | Quick-disconnect spade, Ceramic terminal block | Moisture-sealed for harsh wet environments |
Industrial Applications & Solutions
This versatile stainless steel water heating element is widely used across thermal fluid and liquid heating industries:
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Industrial Water Storage & Buffer Tanks: Functions as an efficient U type immersion heater for temperature maintenance in rinse tanks and reservoir systems.
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Commercial Boilers & Distillation Units: Delivers continuous high-wattage heating for hot water generators, steam kettles, and sterilizers.
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Food & Beverage Processing: Uses sanitary-grade SUS316L as a stainless steel water heating element for CIP (Clean-in-Place) hot water washing systems.
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Solar & Heat Pump Auxiliary Heating: Serves as a backup 230V tubular immersion heater in hybrid renewable water heating systems.
High-Performance Spiral Elements vs Standard Market Options
| Feature | Hongtai Immersion Heater | Low-Cost Generic Heaters | Your Operational Advantage |
| Tubing Quality | Seamless 1.0mm+ wall thickness SUS304/316L | Thin welded tubing (0.5mm) prone to cracking | Prevents water leakage and element burnout under high pressure. |
| Resistance Wire | Premium Ni80Cr20 alloy wire | Recycled iron-chromium alloy wire | Longer operational lifespan with stable resistance and zero power decay. |
| Compaction Density | High-pressure hydraulic compaction MgO | Low-density loose filler with air gaps | Faster thermal response and superior dielectric strength (>1500V/1min). |
| Terminal Sealing | Epoxy resin / RTV silicone dual moisture seal | Basic wax seal prone to moisture ingress | Protects against electrical shorting in humid wet environments. |
Installation & Handling Guidelines
- Ensure Full Submersion: The active heating zone of the 230V U Type Stainless Steel Immersion Water Heater must be completely submerged in liquid before turning on power. Dry burning will destroy the element within seconds.
- Water Scale Management: Periodically inspect and clean lime deposits off the U shape immersion heating element surface to prevent thermal insulation buildup and localized overheating.
- Secure Gasket Seal: Use high-temperature silicone or PTFE sealing washers when tightening threaded fittings onto tank walls to ensure a leak-proof seal.
- Proper Grounding: Ensure the metallic sheath and tank body are connected to a certified safety ground line to prevent electrical shock hazards.
Customer Success Stories
Case 1:
Commercial Boiler Manufacturer (UK)
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Application: Auxiliary heating elements inside 500L stainless steel buffer tanks.
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Challenge: Generic immersion elements experienced premature sheath rupture due to hard water scale accumulation and pinhole corrosion.
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Solution: Upgraded to Hongtai Heater Factory‘s 230V U Type Stainless Steel Immersion Water Heater made with thick-walled SUS316L tubing.
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Results: ZERO ELEMENT RUPTURES OVER 24 MONTHS. Service life increased by over 200%.
Case 2:
Industrial Parts Cleaning System Builder (Germany)
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Application: Rapid heating of aqueous degreasing baths operating at 80°C.
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Challenge: Moisture entering element terminals caused ground faults and frequent circuit breaker trips.
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Solution: Implemented Hongtai’s silicone RTV dual-sealed 230V tubular immersion heater with IP65 moisture-proof terminal caps.
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Results: DOWNTIME REDUCED TO ZERO. Insulation resistance stayed consistently above 500MΩ in high-humidity wash bays.
Pricing & Procurement Options
- OEM Customization: Tailored shapes, custom cutout holes for pipe nozzles, specialized voltage/wattage configurations, and custom strap lengths.
- Lead Times: Custom samples: 3–5 working days. Bulk production orders: 8–12 working days upon technical drawing sign-off.
- Packaging & Shipping: Individually bagged with protective foam padding and packed into heavy-duty 5-ply export cartons to prevent bending or lead wire stress during international transit.
- Minimum Order Quantity (MOQ): Low MOQ starting at 5–10 units for custom dimensions; competitive volume pricing tiers for equipment manufacturers.
Global Certifications & Compliance
- CE Marking
Fully compliant with European safety and environmental standards. - LVD Compliance
Low Voltage Directive tested for continuous thermal load safety. - RoHS Compliant
Constructed using environmentally safe, lead-controlled brass alloys. - ISO 9001
Certified quality control covering CNC machining, coil pressing, and electrical testing.
Quality Documentation: Certificate of Conformity (COC) and insulation resistance test reports included.
Comprehensive After-Sales Support
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- Warranty: 1-Year Comprehensive Warranty covering internal heating element and built-in sensor.
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Technical Support: Application engineers available for wattage distribution calculation, thermocouple calibration, and nozzle fitting assistance.
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Global Response Network: BACKED BY 30+ YEARS MANUFACTURING EXPERIENCE with technical inquiry feedback within 2 hours.
Ready to Optimize Your Injection Molding?
Next Steps:
- 📧 Request Custom Quote – Send your nozzle dimensions, wattage, voltage, and HT-CLW-450 drawing requirements.
- 🔧 Free Design Consultation – Work with our thermal engineers to optimize heat distribution and lead insulation.
- 📦 Order Test Samples – Evaluate thermal performance on your injection molding machine.
- 📞 Contact Hot Runner Experts – Response within 2 hours
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