Bernard 4391 300A MIG Nozzle Conical 40 Pack

$279.00

Product Introduction

Heavy-duty conical MIG nozzle/shroud, ideal for 200-300A high heat and mixed gas applications. Compatible with Bernard 300amp Q-Gun? and S-Gun? Series MIG Guns. Features extreme heat-resistant copper construction, more durable than OEM. 40 pack for industrial use.

Product Specifications

Part Number 4391 (UNIMIG: PWGA4391)
Amperage Rating 300A
Material Heat Resistant Copper
Dimensions 67mm length, 22mm OD, 16mm base
Pack Quantity 40 Each
SKU: ebcde474cc3c Categories: , ,
Description

Bernard MIG Nozzle / Shroud 4391 Conical – 40 Pack for 300amp Torches

Upgrade your welding performance with the Bernard 4391 Conical MIG Nozzle, a heavy-duty solution engineered for 200-300A high-heat applications. This 40-pack of slip-on nozzles ensures uninterrupted workflow, while extreme heat-resistant copper construction outperforms standard OEM parts¡ªideal for professionals seeking durability and precision in mixed gas welding.

Core Specifications

Part Number 4391 (UNIMIG PWGA4391)
Compatibility Bernard 300A Torches, Q-Gun? & S-Gun? Series
Material Extreme Heat Resistant Copper
Amperage Rating 200-300A
Quantity 40 Pack
Length 67mm
Outside Diameter 22mm
Base Diameter 16mm
Design Conical, Slip-on Insulated
Application High-Heat Mixed Gas Welding

Key Benefits

  • Superior Durability: 3x longer lifespan than OEM nozzles due to reinforced copper construction.
  • Heat Resistance: Withstands extreme 300A temperatures without warping or degradation.
  • Perfect Fit: Tapered design ensures secure slip-on installation on Bernard 300A torches.
  • Cost-Effective: 40-pack bulk quantity reduces downtime and replacement costs.

Applications

Ideal for industrial MIG welding in manufacturing, construction, and heavy machinery repair. Optimized for mixed gas environments (e.g., CO2/argon blends) where consistent heat management is critical.

Why Choose Our Nozzles?

Our Bernard-style 4391 nozzles are engineered by Hampdon Industrial to exceed OEM standards. The insulated brass insulator prevents arcing, while the conical shape enhances gas flow efficiency¡ªdelivering cleaner welds and reduced spatter.

FAQ

Q: Will this fit non-Bernard torches?
A: Designed exclusively for Bernard 300A Q-Gun? and S-Gun? models.

Q: Can it handle pure CO2 welding?
A: Yes, suitable for all mixed gas and pure CO2 applications up to 300A.

Q: How often should I replace the nozzle?
A: Under heavy use, replace every 8-10 hours to maintain optimal performance.

Ready to enhance your welding efficiency? Contact us today for bulk pricing or technical support. Our team of experts is standing by to help you select the perfect welding accessories.

Shipping and Delivery

Packaging & Transportation

weldercutting Nozzles

weldercutting nozzles are precision components requiring careful handling.
 
Each piece is individually packed with shockproof foam and sealed to prevent dust, moisture and collision.
 
Sturdy outer cartons with clear fragile labels ensure safe delivery.
 
We use reliable logistics with full tracking to protect products during shipment,
 
guaranteeing intact and high-performance parts upon arrival.