Tweco 1450-1125 Steel Wound Conduit Liner 5/64 Inch

Product Description

The TWECO 1450-1125 is a steel wound conduit liner designed for use with steel welding wires in MIG welding applications. At 15 feet in length and rated for 500 to 650 amps, this liner guides wire feed through the gun cable assembly, reducing resistance and maintaining consistent wire delivery. The 5/64-inch inner diameter suits common steel wire sizes used in heavy-duty industrial welding. Welding equipment technicians and fabrication shops install this liner as part of routine gun maintenance to sustain arc stability and protect the cable from wear.

This conduit liner is suited for heavy-amperage MIG welding setups where reliable wire feed is critical. It is intended for use with steel welding wires in demanding production environments. Per the supplier data, this liner is compatible with R44 and R45 series liners as well as PULSEMASTER and PullMaster MIG guns from TWECO. It is sold individually and is a direct service replacement component for gun cable assemblies operating in the 500 to 650 amp range.

Key Features

• Steel wound construction optimized for use with steel welding wires
• 5/64-inch inner diameter for precise wire guidance
• 15-foot length covers full gun cable runs in standard and extended torch setups
• Rated 500 to 650 amps for heavy-duty, high-amperage welding applications
• Compatible with R44, R45, PULSEMASTER, and PullMaster MIG gun platforms

Compatibility

Designed for use with TWECO R44 and R45 series liners as well as PULSEMASTER and PullMaster MIG guns. Intended for use with steel welding wires in MIG gun cable assemblies rated in the 500 to 650 amp range.

Installation Notes

Installation is performed by a qualified welding equipment technician. Before replacing the conduit liner, disconnect the MIG gun from the wire feeder and power down the welding system completely. Feed the liner through the gun cable assembly and trim to the correct length per the gun manufacturer's specifications. Ensure the liner is fully seated at both ends before reassembling the gun neck and contact tip components.

Technical Specifications

• Wire Diameter: 5/64 inches
• Liner Length: 15 feet
• Amperage Rating: 500 to 650 amps
• Material: Steel Wound
• Weight: 2.85 pounds
• UOM: Each
• UPC: 608246075402

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1450-1125