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10231121 - Tweco Spray Master MS250 MIG Gun, 250A, 15ft, Miller Style Connection

Packaging: pack of 1
$1,396.41/EA $1,020.08/pack of 1 only $1,020.08/EASave 27%

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SKU: TWE1023-1121 Categories: , ,

OVERVIEW

Industrial Grade 250A MIG Welding Gun

The Tweco Spray Master MS250 (SKU: 1023-1121) represents the gold standard in air-cooled MIG welding guns for medium to heavy-duty industrial applications. Engineered by ESAB/Tweco, this specific model is configured with a direct Miller-style backend connection, allowing for seamless integration with a wide range of Miller wire feeders and power sources without the need for additional adapters. The gun is rated at 250 Amps at an 80% duty cycle using CO2 gas, providing robust thermal management for prolonged welding sessions in fabrication shops, manufacturing plants, and maintenance facilities.

At the core of the Spray Master's reliability is its heavy-duty construction. The 15-foot cable assembly features high-quality stranded copper conductors that ensure consistent arc stability and minimal voltage drop over the length of the lead. The outer jacket is composed of abrasion-resistant rubber, designed to withstand the harsh environment of industrial floors, including exposure to sparks, spatter, and rough handling. The gun comes pre-configured for 0.035" to 0.045" wire diameters, covering the most common range for structural steel and general fabrication tasks.

Maintenance and consumable management are streamlined with the Spray Master series. It utilizes the industry-standard Tweco 11 Series contact tips, 22 Series gas nozzles, and 52 Series gas diffusers. These consumables are widely available and cost-effective, reducing long-term operational expenses. The conductor tube is fully insulated and metal-jacketed, providing superior durability compared to plastic-molded alternatives. Furthermore, the conductor tube can be rotated 360 degrees, granting the operator flexibility when accessing difficult-to-reach weld joints. This unit is an essential asset for any operation requiring reliable, high-performance wire welding capabilities.

Additional Information
Amperage:250
Length:15 ft
Back End:Miller
Wire Size:0.035" - 0.045"
Brand:Tweco
Front End:Tweco
Cooling Method:Air Cooled
Duty Cycle:80% @ 250A
Series:Spray Master
Gas Type:CO2, Mixed Gas
Consumable Series:11 Series Tips, 22 Series Nozzles
Packaging Description:pack of 1

INCLUDED

  • 1 x Tweco Spray Master MS250 MIG Gun (15 ft)
  • 1 x Contact Tip (0.035"/0.045" installed)
  • 1 x Gas Diffuser (52 Series)
  • 1 x Nozzle (22 Series)
  • 1 x Steel Liner (42 Series)
  • 1 x Miller-Style Rear Connector
  • 1 x Owner's Manual

APPLICATIONS

  • General Metal Fabrication
  • Structural Steel Welding
  • Heavy Equipment Repair and Maintenance
  • Automotive and Transportation Manufacturing
  • Farm and Agriculture Equipment Repair
  • Shipbuilding and Marine Repair
  • Vocational Training Schools

FAQ

The Tweco Spray Master MS250 is rated at 250 Amps at 80% duty cycle when using CO2 shielding gas.

Yes, this specific model (1023-1121) features a Miller-style backend connection designed to plug directly into Miller wire feeders.

It uses standard Tweco 11 Series contact tips, 22 Series nozzles, and 52 Series gas diffusers.

This model comes with a 15-foot (4.5 meter) cable assembly.

The gun is typically set up with a liner and contact tip suitable for 0.035" to 0.045" (0.9mm - 1.2mm) welding wire.

Yes, the liner is replaceable. It uses Tweco 42 Series liners, which are easy to change from the back end of the gun.

Yes, but you will need to install a nylon or Teflon liner and use aluminum-specific contact tips to prevent feeding issues.

Yes, the conductor tube (gooseneck) can be rotated 360 degrees to help access difficult welding positions.