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615-0620-25 - MK Products 25ft Teflon Conduit Liner Assembly

Packaging: 1 per each
$385.90/ea $337.57/1 per each only $337.57/eaSave 13%

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SKU: MK615-0620-25 Categories: , ,

OVERVIEW

Precision Aluminum Wire Feeding with MK Products

The MK Products 615-0620-25 Conduit Teflon Assembly is a critical component designed to maintain the high-performance standards of your MK push-pull welding system. Engineered specifically for the challenges of feeding soft welding wires, such as aluminum, this 25-foot conduit assembly utilizes high-grade Teflon (PTFE). Teflon is chosen for its exceptionally low coefficient of friction, which is vital when pushing soft wire through long cable assemblies. Unlike steel liners which can shave aluminum wire—creating debris that clogs the liner and contact tip—this Teflon conduit ensures a smooth, laminar path for the wire, preserving its integrity from the feeder to the arc.

In industrial environments where downtime equates to lost revenue, the reliability of your wire feeding system is paramount. Over time, even high-quality liners can accumulate wear or contamination, leading to erratic feeding, micro-arcing inside the contact tip, and unstable weld pools. Replacing your old conduit with this genuine MK Products assembly restores the factory-specified tolerances of your equipment. It is compatible with various MK Products gun assemblies (verify specific model compatibility via manual), ensuring a seamless fit and optimal gas sealing.

This assembly is not merely a plastic tube; it is a precision-extruded component designed to resist collapsing under the bending forces of the cable while maintaining flexibility. For fabrication shops specializing in aluminum structures, marine applications, or aerospace components, using the correct conduit is as important as selecting the right filler metal. The 615-0620-25 provides the assurance of consistent wire delivery, allowing operators to focus on weld quality rather than equipment troubleshooting.

Additional Information
Brand:MK Products
Item:Liner
Length:25 ft
Wire Type:Aluminum
Material:Polytetrafluoroethylene (Teflon)
Compatible Brand:MK Products
Application:Aluminum Welding
Packaging Description:1 per each

INCLUDED

  • 1 x 25 ft Teflon Conduit Assembly

APPLICATIONS

  • Aluminum MIG Welding
  • Marine Fabrication
  • Trailer Manufacturing
  • Aerospace Welding
  • Signage Fabrication
  • Industrial Push-Pull Systems

FAQ

This conduit is made of Teflon (PTFE), which is ideal for reducing friction when feeding soft wires like aluminum.

The assembly is 25 feet long, designed for 25-foot cable assemblies.

While physically possible, Teflon liners are specifically designed for soft wires like aluminum. Steel wires are abrasive and will wear out a Teflon liner much faster than a steel spiral liner. It is recommended to use steel liners for steel wire.

Yes, this is the genuine MK Products 615-0620-25 Conduit Teflon Assembly.

Aluminum wire is soft and easily shaved by steel liners, causing clogging. Teflon provides a smooth, non-abrasive surface that allows the soft wire to slide easily without damage.

If you experience erratic wire feeding, burn-back, or notice the wire is difficult to push through the cable by hand, it is likely time to replace the conduit.

It fits many MK Products push-pull systems with 25-foot cables, such as certain configurations of the Python, Prince, and Cobramatic lines. Always check your specific gun's parts manual to confirm the part number.

This is typically the conduit assembly itself. Depending on the specific revision, it may include attached ferrules or o-rings required for seating in the gun/feeder. Refer to the product image or manual for exact contents.