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10401855 - Tweco Spray Master V450 MIG Gun 20ft Miller Plug

Packaging: 1 per ea
$1,638.90/ea $1,388.31/1 per ea only $1,388.31/eaSave 15%

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OVERVIEW

Upgrade Your Welding Arsenal with the Tweco Spray Master V450

Experience the next level of welding efficiency with the Tweco Spray Master V450 MIG Gun, featuring the cutting-edge Velocity2™ consumable platform. This 450-amp, air-cooled gun is built for professional welders who require power, precision, and durability. The 20-foot cable length offers excellent flexibility, allowing you to maneuver around large assemblies and fixtures with ease. Designed with a direct-connect Miller® style plug, this gun is ready to pair instantly with your existing Miller welding equipment, providing a seamless upgrade to your current setup.

Velocity2™ Technology: A Game Changer

The standout feature of the Spray Master V450 is its utilization of Velocity2™ consumables. This system addresses common pain points in MIG welding by eliminating the threads on the contact tip. By doing so, Tweco has removed a common failure point where heat builds up and threads seize. The Velocity2™ tips are easily rotated and pulled for replacement, requiring no tools. Furthermore, the solid copper conductor path ensures that welding current flows efficiently from the cable to the wire, resulting in a smoother, more consistent arc that is critical for high-quality spray transfer welding.

Built for the Welder

Beyond its internal technology, the V450 is designed with the user in mind. The handle is contoured to provide a secure grip while minimizing wrist strain, and the trigger action is smooth and responsive. The air-cooled design is optimized to dissipate heat effectively, keeping the handle cool even during high-amperage use. The cable itself is constructed with high-quality copper stranding and a durable outer jacket that resists cuts, abrasion, and burns. Whether you are welding mild steel, stainless, or aluminum, the Tweco Spray Master V450 provides the reliability and performance needed to get the job done right. It supports a wide range of wire diameters and is easily configurable for different welding tasks.

Additional Information
Brand:Tweco
Amperage:450
Length:20 ft
Back End:Miller
Front End:Tweco
Item:Gooseneck
Torch Type:MIG Gun
Amperage Rating:450A
Cable Length:20 ft
Connection Type:Miller
Cooling Method:Air Cooled
Duty Cycle:80% @ 450A
Consumable Compatibility:Velocity2
Wire Diameter Capacity:Up to 5/64" (2.0 mm)
Applications:Heavy Fabrication, Spray Transfer, Structural Steel
Packaging Description:1 per ea

INCLUDED

  • 1 x Tweco Spray Master V450 MIG Gun (450 Amp)
  • 1 x 20 ft. Cable Assembly with Miller Style Connector
  • 1 x Velocity2™ Conductor Tube (60°)
  • 1 x Pre-installed Liner
  • 1 x Setup of Velocity2™ Consumables (Contact Tip, Nozzle)

APPLICATIONS

  • Heavy Equipment Manufacturing
  • Structural Steel Fabrication
  • Shipbuilding and Offshore
  • Railcar Construction
  • General Industrial Fabrication
  • Spray Transfer Welding Applications

FAQ

This gun uses the Tweco Velocity2™ (V-Series) consumables, which feature threadless contact tips and integrated gas diffusers.

Yes, this specific model (10401855) comes with a Miller® style back-end connector, making it directly compatible with most Miller wire feeders.

The Spray Master V450 is rated at 450 Amps at 80% duty cycle when using CO2 shielding gas.

The Velocity2 contact tips are threadless. To remove, simply rotate the tip 90 degrees and pull it out. Insert the new tip and rotate to lock it in place.

Yes, the V450 can be used for flux-cored welding, provided you have the correct liner and contact tip size installed for your wire.

The Tweco Spray Master V450 is capable of running wire diameters up to 5/64" (2.0 mm) with the appropriate liner and tip.

Yes, the gun typically comes pre-installed with a standard liner, usually for .035"-.045" wire, but it is best to verify the specific liner included in the box.