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The Tweco Spray Master MS450 MIG Gun (1040-1530) is a premier choice for industrial fabricators requiring a robust, air-cooled welding solution. Engineered to handle up to 450 Amps at an 80% duty cycle (using CO2), this gun is built to withstand the rigors of heavy manufacturing, structural steel fabrication, and shipbuilding. The MS450 series is legendary in the welding industry for its reliability and ease of maintenance, making it a staple in workshops across North America.
This specific configuration features a 15-foot cable and a Miller-style rear connection, ensuring seamless integration with most Miller wire feeders and power sources. The gun utilizes Tweco's patented Cablehoz® technology, which combines the power cable, gas hose, and control leads into a single, flexible, and durable outer jacket. This design not only protects the internal components from abrasion and cuts but also provides superior flexibility, allowing welders to maneuver easily around large workpieces without fighting cable stiffness.
Maintenance is simplified with the Spray Master series. It uses the widely available 11 Series contact tips, 54 Series gas diffusers, and 24 Series nozzles. The conductor tube is designed to dissipate heat efficiently, keeping the front end cool even during extended spray transfer welding. Whether you are running solid wire or flux-cored wire, the Tweco MS450 delivers consistent wire feeding and arc stability, ensuring high-quality welds and reduced downtime.
| Additional Information |
|---|
| Amperage:450 A |
| Cable Length:15 ft |
| Connection Type:Miller Style |
| Cooling Method:Air Cooled |
| Duty Cycle:60% @ 450A (Mixed Gas), 80% @ 450A (CO2) |
| Wire Size Capacity:Up to 1/16" (1.6mm) |
| Series:Spray Master |
| Consumable Series:11 Series Tips, 24 Series Nozzles, 54 Series Diffusers |
| Handle Type:Ergonomic |
