Compact Screw-Plug Heater for Industrial Liquid Heating
Core Value: Industrial-grade screw plug immersion heater with 1″ NPT threaded connection, delivering 4kW power for efficient heating of water, oil, and chemical solutions. Compact design fits standard tank couplings. BACKED BY 30+ YEARS MANUFACTURING EXPERIENCE and UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS.
- ✓ **Thread Standard:** 1″ NPT (ANSI B1.20.1)
- ✓ **Power Output:** 4kW, 3-phase configuration
- ✓ **Corrosion Resistant:** SS316L sheath material
- ✓ **Compact Design:** Easy installation in tight spaces
- ✓ **Universal Thread:** Fits standard tank couplings
- ✓ **Reliable Quality:** 30+ YEARS MANUFACTURING EXPERIENCE
- ✓ **Quality Assured:** UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS
- ✓ **Global Standards:** CE, LVD, RoHS, ISO 9001 certified
Technical Specifications & Performance Data
| Parameter | Standard Value | Customizable Range | Notes |
|---|---|---|---|
| Thread Size | 1″ NPT Male | 3/4″, 1-1/4″, 1-1/2″ | ANSI B1.20.1 standard |
| Power Rating | 4kW (3-phase) | 2kW – 9kW | 380-415V standard |
| Voltage Rating | 380V AC 3-phase | 220V – 480V | 50/60Hz compatible |
| Sheath Material | SS316L (OD 10mm) | Incoloy 800, Titanium | Corrosion resistant |
| Immersion Length | 250mm | 150mm – 800mm | Custom lengths available |
| Number of Elements | 3 U-bends | 1-3 elements | Compact configuration |
| Max Temperature | 650°C (sheath) | 750°C (Incoloy) | Liquid temperature limited |
| Thread Material | Brass (optional SS304) | SS316 full assembly | Enhanced corrosion resistance |
| Pressure Rating | PN16 (16 bar) | PN25 option | Suitable for pressurized tanks |
| Connection Box | IP55 steel enclosure | IP65, Ex e option | Moisture protection |
| Installation Torque | 60-80 N·m | Teflon tape recommended | Leak-proof sealing |
| Warranty | 1 Year Standard | Quality assured | COMPREHENSIVE QUALITY ASSURANCE |
Industrial Applications & Solutions
- Water Heating Tanks: Commercial and industrial hot water storage. Direct immersion provides 99% efficiency. Threaded connection allows easy replacement. Temperature maintenance: 40-85°C typical.
- Oil Preheating Systems: Hydraulic oil, lubricating oil heating. SS316L resists oil oxidation. Compact design fits small reservoirs. Over-temperature protection prevents oil degradation.
- Chemical Process Tanks: Heating mild acids, alkaline solutions. Corrosion-resistant for chemical duty. Threaded mount allows quick changeout. Suitable for batch processing.
- Washdown Stations: Hot water for industrial cleaning. Compact size fits mobile units. 3-phase power for rapid heating. Robust construction for industrial environment.
- Food & Dairy Processing: CIP solution heating, hot water sanitization. Sanitary design options available. SS316L meets food grade. Cleanable design prevents contamination.
- HVAC Systems: Freeze protection, auxiliary heating. Compact for equipment cabinets. Replaces failed OEM heaters. Standard thread fits most applications.
HT-Heater vs Standard Market Heaters
| Feature | HT-Heater | Standard Market | Your Advantage |
|---|---|---|---|
| Thread Quality | Precise NPT tolerances | Inconsistent threading | No leaks, easy installation |
| Element Support | Brazed to plug | Pressed only | No element movement |
| Pressure Rating | PN16 standard | PN10 maximum | Higher pressure capability |
| Material Grade | SS316L genuine | SS304 (less corrosion) | Longer life in chemicals |
| Thread Material | Brass or SS316 option | Steel (rust risk) | Corrosion-free installation |
| Connection Box | IP55 standard | IP44 typical | Better moisture protection |
| Manufacturing Experience | 30+ YEARS EXPERIENCE | Less than 10 years | Proven reliability |
| Quality Assurance | UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS | Basic testing | ZERO DEFECT DELIVERY |
Installation & Integration Guidelines
- Tank Preparation: 1″ NPT female coupling required; Minimum wall thickness: 3mm; Reinforcement pad for plastic tanks; Teflon tape or thread sealant; Grounding wire connection point.
- Electrical Hookup: 3-phase 5-wire connection (L1,L2,L3,N,PE); Terminal block rated 25A per phase; Wire size: 2.5mm² minimum; Circuit breaker: 16A per phase; Contactor: 25A AC-3 rated.
- Control Systems: Compatible with all PID controllers; 4-20mA control signal; SSR 3-phase control; Soft-start recommended; Over-temperature protection.
- Safety Considerations: Low liquid level cutoff; Over-temperature limit switch; Ground fault circuit interrupter; Pressure relief valve upstream; Minimum liquid level mark.
Customer Success Stories
Case 1: Commercial Water Heating OEM (USA)
Application: 200-gallon commercial water heaters
Challenge: Previous heaters leaked at thread joint after 6 months
Solution: 1″ NPT 4kW SS316L heaters, 1000+ units
Results: 24 months leak-free operation. Thread precision eliminated sealing issues. Warranty claims reduced 85%.
Client Quote: “HT-Heater’s NPT threads are perfect. Installation torque is consistent. BACKED BY 30+ YEARS EXPERIENCE shows.” – VP Engineering
Case 2: Industrial Parts Washer Manufacturer (Italy)
Application: Conveyorized parts washing system
Challenge: Detergent solution corrosive, frequent heater changes
Solution: SS316L heaters with IP65 box, quick-change design
Results: 18 months continuous operation, zero corrosion. 50% faster replacement vs flanged design.
Client Quote: “UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS is evident. These last twice as long as our previous supplier.” – Production Manager
Pricing & Procurement
Sample Orders: Available for evaluation. Contact sales team for sample pricing. All samples UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS.
Standard Production: MOQ 10 pieces. BACKED BY 30+ YEARS MANUFACTURING EXPERIENCE ensures consistent quality. Volume pricing available for 50+ units.
Custom Configurations: Custom thread sizes, materials, power ratings available. Engineering support included. All custom heaters UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS.
Lead Times: Standard: 7-10 days production. Custom: 10-14 days. Samples: 5-7 days. Rush service available.
Global Delivery: Worldwide shipping available. All orders backed by 30+ YEARS MANUFACTURING EXPERIENCE.
Global Certifications & Compliance
- CE Marking
Conforms to European standards
Health, safety, environmental - LVD Compliance
Low Voltage Directive
Electrical safety requirements - RoHS Compliant
Restriction of Hazardous Substances
Environmentally safe materials - ISO 9001
Quality Management System
30+ YEARS MANUFACTURING EXPERIENCE
Quality Assurance: Every heater UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS. Material traceability and inspection certificates available upon request.
Comprehensive After-Sales Support
Warranty: 1 Year Standard Warranty against manufacturing defects. COMPREHENSIVE QUALITY ASSURANCE backed by 30+ YEARS MANUFACTURING EXPERIENCE.
Technical Support: Application engineering for heating system design. Control system compatibility guidance. Installation troubleshooting assistance.
Quality Commitment: BACKED BY 30+ YEARS MANUFACTURING EXPERIENCE. UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS ensures reliability. Global support for technical inquiries.
Service Network: Replacement parts and accessories available. Repair evaluation service. Application-specific recommendations.
Ready for Reliable Screw Plug Heating?
Next Steps:
- 📧 Request Custom Quote – Based on your application
- 📄 Download Technical Datasheet – Complete specifications
- 🔧 Schedule Engineering Consultation – Optimize your system
- 📦 Order Evaluation Samples – Test in your application
- 📞 Contact Sales Team – Quick response within 2 hours
HT-Heater.com – Industrial Heating Solutions
30+ YEARS MANUFACTURING EXPERIENCE | UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS | CE LVD RoHS ISO 9001
Screw Plug Immersion Heaters | Custom Solutions | Global Technical Support
