
The ESAB Tweco 420C WC Fume MIG Gun is a premium solution for heavy-industrial fabrication environments where air quality and welder safety are paramount. Designed for high-amperage applications, this water-cooled gun is rated for approximately 400 amps at 100% duty cycle, ensuring it can withstand the rigors of continuous welding on thick materials without overheating. The integrated fume extraction system captures hazardous welding particulates directly at the arc, significantly reducing the amount of smoke released into the general shop atmosphere.
This specific model features a 10-foot cable assembly and a Miller-style backend connection, making it a drop-in replacement for facilities already utilizing Miller power sources. The water-cooled design allows for a lighter weight front-end compared to air-cooled equivalents of the same amperage, reducing wrist strain during long shifts. The vacuum chamber is engineered to maximize capture velocity without disturbing the shielding gas coverage, ensuring weld quality remains compliant with strict code requirements.
By implementing source capture technology like the Tweco 420C, facilities can better meet OSHA and local air quality regulations. The gun utilizes standard Tweco consumables, known for their durability and widespread availability, minimizing downtime and inventory complexity. Whether welding mild steel, stainless, or aluminum, this gun provides the thermal capacity and extraction efficiency needed for modern manufacturing.
| Additional Information |
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| Packaging Description:1 Per Ea |
| Amps:400 |
| Cooling Method:Water Cooled |
| Cable Length:10 ft |
| Connection Type:Miller |
| Process:Flux Cored (FCAW), MIG (GMAW) |
| Wire Diameter Capacity:0.035" - 1/16" |
| Duty Cycle:100% at 400A |