Immersion Heaters
Screw Plug Heaters
Our Customized Solutions has benefited customers in terms of Flexibility in design, Fast delivery which means shorter project time and Cost saving because of local supply and support. The Supply of Complete Thermal Systems, Repair Services, Engineering & PCBA Design has made us the preferred Customized Solutions Provider in many Industries.

SCREW PLUG HEATERS
Screw In Immersion
Why Choose Screw Plug Heaters?
Screw plug heaters remain one of the most popular industrial heating solutions due to their simplicity, efficiency, and versatility. Their compact design, fast heat transfer, and ability to heat a wide range of liquids make them suitable for countless industrial applications.
Whether you need to heat water, oils, chemicals, or process fluids, a screw plug heater provides a dependable and cost-effective solution for maintaining consistent temperatures and improving process performance.
Tubular Screw-in-immersion Heater
SCREW PLUG HEATERS
Technical Specifications
The specifications below represent typical screw plug heater configurations. Custom designs can be manufactured to suit specific process requirements.
| Specification | Typical Range |
|---|---|
| Power Rating | 0.5 kW to 150 kW+ |
| Supply Voltage | 12V, 24V, 110V, 240V, 415V, 480V, 600V |
| Phase | Single Phase or Three Phase |
| Thread Sizes | 1", 1¼", 1½", 2", 2½", BSP or NPT |
| Maximum Operating Temperature | Up to 750°C element temperature (application dependent) |
| Process Fluid Temperature | Up to 300°C+ (depending on medium and design) |
| Sheath Materials | Stainless Steel 304, Stainless Steel 316, Incoloy®, Titanium, Copper |
| Plug Materials | Brass, Steel, Stainless Steel |
| Watt Density | Custom engineered to suit fluid and application |
| Control Options | Thermostat, RTD, Thermocouple, Digital Temperature Controller |
| Safety Protection | High-Limit Thermostat, Thermal Cut-out, Level Protection |
| Terminal Enclosures | IP65, IP66, Weatherproof, Explosion Proof |
| Hazardous Area Compliance | Available for Ex-rated applications |
| Mounting Type | Threaded Screw Plug |
| Installation Orientation | Horizontal or Vertical |
| Application Media | Water, Oils, Chemicals, Glycol, Solvents, Process Fluids |
Standard Design Features
| Feature | Description |
|---|---|
| Heating Elements | High-quality tubular resistance heating elements |
| Element Configuration | Single, Double, Triple, or Multi-Element Designs |
| Temperature Control | Integral or Remote Mounting Options |
| Electrical Connections | Terminal Box or Control Enclosure |
| Corrosion Protection | Material selection to suit process fluid |
| Custom Engineering | Available for OEM and project-specific applications |
| Maintenance Access | Elements removable for servicing and replacement |
| Certifications | Available to suit project and industry requirements |
Typical Industries Served
| Industry | Application |
|---|---|
| Water Treatment | Tank and process water heating |
| Food & Beverage | CIP systems and process heating |
| Chemical Processing | Chemical storage and process vessels |
| Mining | Process tanks and slurry systems |
| Oil & Gas | Fuel, lubrication and storage heating |
| Manufacturing | Industrial process heating |
| Power Generation | Water and fluid temperature maintenance |
| HVAC | Hot water and thermal storage systems |
FAQ
Frequently asked questions
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