The Tweco Spray Master MS250 MIG Gun (SKU: 1023-1112) is a testament to Tweco's legacy of building rugged, reliable welding equipment for professional industrial environments. Known internally as the MS215M3545 configuration, this 250-amp air-cooled gun is engineered to handle the rigors of medium-to-heavy fabrication while maintaining operator comfort. The "Spray Master" name is derived from the gun's exceptional ability to handle high-amperage spray transfer welding applications without overheating, thanks to its superior thermal management and heavy-duty construction.
This specific model comes equipped with a 15-foot cable, offering a generous working radius that is ideal for large weldments and jig work. The backend is fitted with a Miller-style direct connection, ensuring seamless compatibility with a wide range of Miller power sources and wire feeders, including popular Millermatic and S-Series feeders. Out of the box, the gun is set up to run .035" to .045" (0.9mm - 1.2mm) wire, covering the most common diameters used in structural steel and general fabrication.
Maintenance and longevity are core to the Spray Master design. The gun utilizes the widely available Tweco 11 Series contact tips, 52 Series gas diffusers, and 22 Series nozzles. These consumables are designed for easy replacement and consistent arc performance. The conductor tube is crafted from aircraft-grade aluminum, protected by heavy-duty electrical insulation, ensuring it can withstand accidental drops and harsh shop conditions. Whether you are welding mild steel, stainless, or aluminum (with the appropriate liner change), the MS250 delivers a stable arc and reliable wire feeding.
Operators will appreciate the ergonomic handle design, which balances weight distribution and reduces wrist strain during extended welding sessions. The trigger mechanism is tested for millions of cycles, providing tactile feedback and reliable engagement every time. For shops looking to standardize on a durable, high-performance MIG gun that integrates perfectly with their Miller fleet, the Tweco Spray Master MS250 is the industry standard choice.
| Additional Information |
|---|
| Brand:Tweco |
| Amperage:250 |
| Length:15 ft |
| Back End:Miller |
| Wire Size:0.035" - 0.045" |
| Item:Gooseneck |
| Cooling Type:Air Cooled |
| Duty Cycle:80% @ 250A (CO2) |
| Conductor Tube Angle:60 Degree |
| Process Type:MIG (GMAW) |
| Cable Type:Coaxial |
| Packaging Description:pack of 1 |
