Skip to Main Content

14401142 - Tweco WS44-564-15 MIG Gun Liner 1/16-5/64in 15ft

Packaging: pack of 1
$43.79/EA $20.54/pack of 1 only $20.54/EASave 53%

Usually ships within 3-5 business days

SKU: TWE1440-1142 Categories: , ,

OVERVIEW

Tweco 1440-1142 WeldSkill Conduit Assembly (WS44-564-15)

The Tweco 1440-1142 is a premium replacement conduit assembly, also identified by the model number WS44-564-15. This component is a critical element in the maintenance of high-performance MIG welding systems, specifically designed to facilitate the smooth transfer of welding wire from the feeder to the contact tip. Engineered as part of the renowned Tweco WeldSkill line, this liner is manufactured to precise tolerances to handle larger diameter wires, specifically ranging from 1/16 inch (1.6mm) to 5/64 inch (2.0mm). The internal geometry of the liner is optimized to support these heavier gauge wires without causing excessive friction or drag, which are common causes of motor strain and irregular arc characteristics.

Constructed from high-grade zinc-plated spring steel, the 1440-1142 offers superior durability and resistance to corrosion. The zinc plating acts as a lubricant and a protective barrier, reducing the accumulation of metal shavings and shop debris that can clog the liner over time. With a total length of 15 feet (approximately 4.5 meters), this conduit is suitable for standard length MIG gun cable assemblies. It is designed to be trimmed to the exact length required by the specific torch setup, ensuring a perfect fit between the gas diffuser and the wire feeder drive rolls. Proper liner fitment is essential for preventing gas leakage and ensuring the wire is centered as it enters the contact tip.

This 44-series liner is compatible with a broad range of Tweco MIG guns, including the WeldSkill series and other industry-standard torches that utilize the Tweco rear connection and consumable platform. For industrial applications involving heavy fabrication, structural steel, or manufacturing where 1/16" or 5/64" wires are employed, the structural integrity of the liner is paramount. The wound steel design provides the necessary flexibility to navigate the cable's curvature while maintaining a rigid enough channel to prevent the wire from buckling (bird-nesting) under the push force of the drive rolls. Regular inspection and replacement of the conduit assembly using genuine Tweco parts like the 1440-1142 ensures optimal equipment uptime and weld quality.

Additional Information
Brand:Tweco
Item:Liner
Length:15 ft
Wire Size:1/16" - 5/64"
Fits Which Model:Tweco WeldSkill, Tweco Professional
Material:Zinc Plated Spring Steel
Series:44 Series, WeldSkill
Part Number:1440-1142, WS44-564-15
Packaging Description:pack of 1

INCLUDED

  • 1 x Tweco 1440-1142 (WS44-564-15) Conduit Liner Assembly (15 ft)

APPLICATIONS

  • Heavy structural steel fabrication
  • Shipbuilding and marine repair
  • Industrial equipment manufacturing
  • Railcar assembly and repair
  • General heavy-duty MIG welding with 1/16" to 5/64" wire

FAQ

This liner is designed for wire diameters from 1/16 inch (1.6mm) to 5/64 inch (2.0mm).

The liner is 15 feet long but can be trimmed to fit shorter cable assemblies if necessary.

No, this is a steel wound liner. For aluminum welding, a Teflon or Nylon liner is recommended to prevent wire shaving and friction issues.

Signs include erratic wire feeding, the wire stuttering at the tip, excessive drive roll tension required, or visible kinks in the liner when removed.

It fits Tweco guns that utilize the 44-series liners, which includes many WeldSkill, Spray Master, and Professional series guns configured for 15ft cables.

It is made of zinc-plated spring steel wire.

While you can physically feed .045 wire through it, it is not recommended. The extra space inside the liner can cause the wire to wander, leading to poor arc stability. You should use a liner matched to your wire size (e.g., 44-45-15).

Remove the nozzle, contact tip, and gas diffuser. Disconnect the gun from the feeder. Pull the old liner out from the back end. Slide the new liner in, trim the excess at the front according to your gun's manual (usually flush or sticking out slightly), and reinstall the front-end parts.