Tweco 1044-1122 Water-cooled Mig Gun 500 a 10 Ft

Product Description

The TWECO 1044-1122 is a water-cooled MIG welding gun built for sustained high-amperage output in demanding fabrication environments. Rated at 450 amps at 100% duty cycle with mixed gas and 500 amps at 100% duty cycle with CO2, this gun is engineered to handle continuous production welding without thermal shutdown. The 10-foot cable length gives welders reach flexibility at the workstation. Advanced cooling channels in the conductor tube accelerate heat dissipation, extending front-end wear part life significantly compared to standard gas-cooled MIG guns. The ergonomic handle reduces operator fatigue during long weld sequences. Wire feedability is consistent even with soft wire types, which reduces birdnesting and feed interruptions. Licensed welders and fabrication shops running high-duty-cycle processes are the primary users of this equipment.

The 1044-1122 is suited for heavy-duty fabrication in shipbuilding, offshore yards, tank and vessel fabrication, general manufacturing, automotive body work, and aerospace applications. The gun accepts wire in the 0.035-inch to 1/16-inch diameter range, covering common solid and flux-cored wire sizes used in structural and sheet metal work. The water-cooled design makes it practical for robotic and semi-automatic cells where heat buildup would otherwise shorten consumable intervals and increase downtime. The gun is designed to adapt with most competitive wire feeder platforms, reducing the need for dedicated feeder hardware.

Key Features

• Rated 450 A at 100% duty cycle with mixed gas and 500 A at 100% duty cycle with CO2
• Water-cooled conductor tube with advanced cooling channels for extended consumable life
• Accepts wire diameters from 0.035 inches to 1/16 inches
• 10-foot cable length for workstation reach flexibility
• Thick conductor tube construction reduces damage risk from accidental drops
• Compatible with most competitive wire feeder platforms
• Ergonomic handle design reduces operator fatigue in long-duration welding sessions

Compatibility

Designed as an OEM-style water-cooled MIG gun replacement and primary installation for heavy-duty MIG and flux-cored welding systems requiring high-amperage continuous operation.

Installation Notes

Installation and service should be performed by a qualified welding technician or certified maintenance electrician familiar with water-cooled welding equipment. Before connecting or disconnecting the gun, shut off the welding power source and close the water supply line to prevent leaks or electrical hazard. Verify that the water-cooling supply and return fittings are properly seated and leak-free before resuming operation. Inspect the conductor tube and liner for wear at regular intervals consistent with the manufacturer maintenance schedule.

Technical Specifications

• Amperage (Mixed Gas, 100% Duty Cycle): 450 amps
• Amperage (CO2, 100% Duty Cycle): 500 amps
• Cable Length: 10 feet
• Wire Diameter Range: 0.035 inches to 1/16 inches
• Cooling Type: Water-cooled
• Package Weight: 7.6 pounds
• Package Length: 20.2 inches
• Package Width: 15.3 inches
• Package Height: 3.2 inches
• UPC: 662067227983

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1044-1122