NIPPON CUTTING & WELDING EQUIPMENT CO., LTD.
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Heating Nozzle ｜ Uniform Heat Distribution with Easy Control for Industrial
Key Takeaways
• The Heating Nozzle is designed to distribute heat evenly, without focusing on cutting or melting metal
• Helps control temperature, reducing the risk of overheating and workpiece damage
• Compatible with various fuel gases such as Acetylene, LPG, LNG, Hydrogen, and Ethylene (depending on the model)
• Available in multiple models to suit different applications, material thicknesses, and compatible heating torches
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In metal industrial applications, controlled heating is just as important as cutting or welding. The Heating Nozzle defines the characteristics of the flame by generating a wide, soft flame that distributes heat evenly. It is ideal for preheating before welding, metal bending, loosening nuts and bolts, and maintenance work that requires precise temperature control.
Using an unsuitable nozzle for heating applications often results in concentrated heat, localized burning, or deformation of the workpiece. A purpose-designed Heating Nozzle ensures uniform heat transfer across the workpiece surface, enhancing safety and process stability.
The Heating Nozzle is engineered for stable and easy-to-control heating, producing a wider and softer flame than standard cutting or welding nozzles. Proper gas flow reduces the occurrence of hot spots and makes temperature control easier during continuous heating operations. This makes it well suited for applications that prioritize thermal stability over flame intensity.
🔷 Heating Nozzle – Model Details
• 6150D
Gas: Acetylene / LPG / LNG / Hydrogen / Ethylene
Plate thickness: 3–30 mm
Sizes: No. 5 / 6 / (7,8) / 10
Compatible with: Micro Torch
• 6250
Gas: LPG
Plate thickness: 0.5–2.5 mm
Sizes: No. 6 / 7 / 8 / 9 / 10 / 11
Compatible with: Small Welding Torch NZ
• 7450
Gas: LPG
Plate thickness: 0.5–20 mm
Compatible with: M-Propane Heating Torch
• 6950
Gas: LPG
Plate thickness: 12–50 mm
Compatible with: Hi-Power ZS Line Heating Torch
Heating Nozzles are widely used for preheating before welding, metal bending and forming, loosening fasteners, as well as maintenance and on-site field work. Selecting a Heating Nozzle that matches the heating torch, fuel gas type, and application size ensures stable heat delivery, minimizes workpiece damage, and improves operational safety.
Summary
The Heating Nozzle is a critical component that directly affects heating quality. Choosing the right model for the application and fuel gas improves efficiency, reduces risk, and ensures smooth production and maintenance operations.
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❓ FAQ
Q: How does a Heating Nozzle differ from a Cutting Nozzle or Welding Nozzle?
A: A Heating Nozzle focuses on uniform heat distribution and is not designed for cutting or melting metal.
Q: What should be considered when selecting a Heating Nozzle?
A: Consider the heating area size, fuel gas type, and compatibility with the heating torch.
📚 Glossary (Key Terms)
Heating Nozzle: A nozzle designed to evenly distribute heat for industrial applications
Preheating: The process of heating a workpiece before welding or forming
Hot Spot: A localized area of excessive heat accumulation
Oxy-Fuel Heating: A heating process that uses oxygen in combination with fuel gas
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With 36 years of experience in Thailand, NIPPON CUTTING & WELDING EQUIPMENT CO., LTD. has continued to manufacture related equipment based on gas cutting technology. In recent years, in addition to pl ...
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