Bernard 300 Amp MIG Nozzle 4391 Conical 2 Pack
$28.99
Product Introduction
Bernard 300 Amp MIG Nozzle/Shroud 4391 Conical, 2-pack, designed for Bernard 300amp Torches (Q-Gun? and S-Gun? Series). Heavy-duty copper construction for extreme heat resistance, ideal for 200-300A high heat and mixed gas applications. Stronger and more durable than OEM.
Product Parameters
| Part Number | 4391 |
| Amperage Rating | 300A |
| Quantity | 2 Pack |
| Material | Extreme Heat Resistant Copper |
| Dimensions | 67mm length, 22mm OD, 16mm base |
Bernard 300 Amp MIG Nozzle / Shroud 4391 Conical – 2 Pack: Heavy-Duty Welding Performance
Product Description
Upgrade your welding setup with the Bernard 300 Amp MIG Nozzle / Shroud 4391 Conical (2 Pack), engineered for high-heat 200-300A applications and mixed gas environments. Designed to fit Bernard 300amp Q-Gun? and S-Gun? Series MIG Guns, this slip-on nozzle combines extreme durability with superior heat resistance, making it ideal for industrial welding tasks. Crafted from heavy-duty copper, it outperforms OEM alternatives, ensuring long-lasting reliability even in demanding conditions.
Core Features (Table)
| Description | Details |
|---|---|
| Model | Bernard 4391 Conical Nozzle |
| Compatibility | Bernard 300amp Q-Gun? & S-Gun? MIG Guns |
| Material | Extreme Heat Resistant Copper |
| Amperage Rating | 300A (200-300A optimal range) |
| Quantity | 2 Pack |
| Dimensions | 67mm length, 22mm OD, 16mm base |
| Type | Slip-on Insulated Tapered Nozzle |
| Application | High-heat & mixed gas welding |
| Durability | Stronger than OEM standards |
| UNIMIG Part # | PWGA4391 |
Key Performance
Engineered for extreme heat resistance, this nozzle maintains stability during prolonged 300A welding sessions, preventing warping or melting. Its precision design ensures consistent gas flow and arc protection, reducing spatter and improving weld quality. The heavy-duty copper construction enhances thermal conductivity, extending service life in high-demand industrial environments.
Application Scenarios
Perfect for automotive manufacturing, construction, metal fabrication, and heavy machinery repair. Ideal for mixed gas (e.g., Ar/CO?) welding tasks requiring sustained high amperage, ensuring reliable performance in both indoor workshops and outdoor job sites.
Quality Assurance
Backed by Hampdon Industrial’s strict quality control, each nozzle undergoes rigorous testing to meet industry standards. Its robust build and superior materials guarantee resistance to wear, corrosion, and thermal stress, making it a cost-effective replacement for frequent OEM nozzle replacements.
Differentiation
Unlike generic nozzles, this Bernard-style accessory offers a precise fit for Q-Gun? and S-Gun? series, eliminating compatibility issues. Its copper construction outlasts standard brass alternatives, reducing downtime and replacement costs. The 2-pack value ensures you have a spare on hand for uninterrupted workflow.
FAQ
Q: Will this fit non-Bernard MIG guns?
A: Designed exclusively for Bernard 300amp Q-Gun? and S-Gun? models. Check torch specifications for compatibility.
Q: Can it handle 100% CO? gas?
A: Yes, optimized for mixed gas and high-heat applications, including 100% CO? environments.
Q: How often should I replace the nozzle?
A: Lifespan varies by usage; inspect for wear or blockages every 50-100 hours of welding.
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