Tweco 1420-1125 Conduit Liner 0.040-0.045 in 25 Ft 180-250A

Product Description

The TWECO 1420-1125 is a steel wound conduit liner designed to guide steel welding wire through MIG gun cable assemblies with consistent, low-friction feed. Rated for use at 180 to 250 amps, this liner measures 25 feet in length and accommodates wire diameters from 0.040 to 0.045 inches. Steel wound construction provides durability under continuous wire feed conditions and resists kinking and compression common in longer cable runs. Licensed welders and MIG technicians rely on correctly matched liners to prevent wire feed issues, bird-nesting, and erratic arc performance.

This liner is intended for MIG welding applications using steel welding wire in both production and fabrication environments. It is part of the TWECO R44 and R45 series liner lineup and is also compatible with PULSEMASTER and PullMaster MIG guns. Typical installations involve replacement during scheduled gun maintenance or when feed problems are traced to liner wear. Suitable for shop floor and field welding setups where 25-foot cable runs are standard.

Key Features

• Steel wound construction optimized for steel welding wire feed
• Accommodates wire diameters from 0.040 to 0.045 inches
• 25-foot length suits standard MIG gun cable assemblies
• Rated for 180 to 250 amp welding output
• Compatible with TWECO R44 and R45 series liner configurations
• Fits PULSEMASTER and PullMaster MIG guns

Compatibility

Designed for use with TWECO R44 and R45 series MIG guns as well as PULSEMASTER and PullMaster MIG guns. Intended for use with steel welding wire in the 0.040 to 0.045 inch diameter range.

Installation Notes

Installation should be performed by a qualified welder or MIG gun technician. Disconnect and de-energize the welding power source and remove the wire spool before replacing the liner. Feed the liner through the cable assembly from the gun end and trim to length per the gun manufacturer's guidelines. Ensure the liner seats fully at both the torch neck and the wire feeder inlet to prevent gaps that cause wire feed resistance.

Technical Specifications

• Wire Diameter Range: 0.040 to 0.045 inches
• Length: 25 feet
• Amperage Range: 180 to 250 amps
• Material: Steel Wound
• Weight: 1.3 pounds
• Sold As: Each

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1420-1125