Sealed Nozzle Heater – Reliable Heating for Plastic Molding, Extrusion & 3D Printing
We are a trusted manufacturer and supplier of Sealed Nozzle Heaters, offering highly durable and efficient heating solutions for industries that demand precision temperature control. Designed with high-quality stainless steel sheathing and advanced insulation technology, these heaters provide leak-proof, uniform, and controlled heating for nozzles used in injection molding, blow molding, extrusion machinery, hot runner systems, and 3D printing.
Unlike standard heaters, the Sealed Nozzle Heater is built with a fully enclosed stainless steel body that prevents resin leakage and protects the heating element from wear, contamination, or corrosion. This design makes it a long-lasting and reliable heating solution, especially in high-demand plastic processing environments.
With their compact, robust build and high-energy efficiency, our Sealed Nozzle Heaters ensure smooth material flow, preventing premature cooling or solidification of plastic raw materials. As a result, industries experience fewer production issues, better product quality, and higher machine efficiency.
Key Features of Sealed Nozzle Heaters
- Leak-Proof Design – Fully sealed body prevents resin or plastic leakage into the heating element.
- High-Temperature Capability – Handles intensive industrial processing without loss of performance.
- Uniform Heat Distribution – Minimizes hot spots and ensures even melting and extrusion.
- Fast Heat-Up & Cool-Down – Saves startup time and reduces production delays.
- Durable Build – Stainless steel sheath resists corrosion, abrasion, and high mechanical stress.
- Precise Temperature Control – Compatible with thermocouples, thermostats, and PID controllers.
- Custom Design Options – Available in multiple sizes, voltages, wattages, diameters, and mounting styles to fit different machine nozzles.
Applications of Sealed Nozzle Heaters
Our Sealed Nozzle Heaters are widely used in industries where leak-proof, reliable, and efficient heating performance is essential:
- Plastic Injection Molding Machines – For nozzle heating to maintain precise flow.
- 3D Printing Equipment – Ensures consistent extrusion of filaments.
- Blow Molding & Extrusion Machinery – Facilitates proper melting and material flow.
- Hot Runner Systems – Maintains stable temperatures in multi-cavity molds.
- Packaging & Sealing Machines – Provides dependable sealing and forming heat.
By delivering consistent heating with minimal maintenance, our heaters allow manufacturers to achieve improved product consistency, shorter cycle times, and reduced downtime.
Product Specifications
| Specification | Details |
|---|---|
| Product Type | Sealed Nozzle Heater |
| Voltage Range | 220V AC (custom on request) |
| Power Rating | 100W – 1000W |
| Heating Element | Nickel-Chrome Resistance Wire |
| Outer Body | Stainless Steel (Leak-Proof Design) |
| Diameter | 10 mm – 50 mm |
| Length | 20 mm – 100 mm |
| Shape Options | Cylindrical / Band Type |
| Power Source | Electric |
| Temperature Range | High-temperature capability |
Why Choose Our Sealed Nozzle Heaters?
- Proven durability in high-demand industries such as plastics and packaging.
- Energy-efficient heating reduces operational costs.
- Leak-proof design ensures longer working life of both the heater and machine parts.
- Custom sizes & specifications available to fit multiple nozzle and machine types.
- Easy installation & low maintenance for better production efficiency.
