Key Features & Benefits

• Premium Copper Construction: Ensures optimal heat conductivity and resistance to warping, extending nozzle lifespan by 30% vs. standard alternatives.
• Precision Gas Shielding:

19mm cylindrical design guarantees consistent argon/CO2 flow, reducing spatter and improving bead appearance.

• Universal Fit:

Seamlessly compatible with Bernard BN350-400 guns and 4435/4635 diffusers¡ªno adapter needed.

• Cost-Effective 2-Pack:

Stock up and minimize downtime with dual nozzles, ideal for high-volume fabrication shops.

Applications

Perfect for heavy-duty MIG welding in:

• Automotive manufacturing
• Industrial metal fabrication
• Construction machinery repair
• Shipbuilding and pipeline projects

Performance Tested

“After switching to Bernard 4491 nozzles, we noticed immediate improvement in weld consistency. The copper construction withstands 10+ hours of continuous 400A use without degradation.” ¡ª Lead Welder, Industrial Fabrication Co.

Aseguramiento de Calidad

Engineered to meet ISO 9001 standards, each nozzle undergoes strict dimensional and conductivity testing. Backed by our factory¡¯s 1-year warranty against defects.

Why Choose Bernard 4491?

Unlike generic nozzles, Bernard¡¯s precision-machined design eliminates uneven gas flow and premature wear. Our direct manufacturing ensures better quality control than third-party resellers.

Preguntas Frecuentes

Q: Will this fit my non-Bernard 400A torch?
A: Designed for Bernard BN350-400 guns; compatibility with other brands is not guaranteed.

Q: What¡¯s the maximum operating temperature?
A: Safe for continuous use up to 600¡ãC (1112¡ãF).

Q: Can I use this for aluminum welding?
A: Yes, ideal for aluminum and steel applications with appropriate shielding gas.

Ready to upgrade your welding setup? Contact us now for bulk pricing or technical support¡ªour team speaks English and responds within 24 hours!