Lincoln Electric Flextec 350X PowerConnect / Activ8X Pipe One-Pak - K4935-2

By: Lincoln Electric
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The ideal solution for field welding STT root passes on pipe when portability is needed.

Perfectly tuned for pipe welding applications, the Activ8X Pipe Wire Feeder is the ideal field solution for GMAW and FCAW welding applications out on the pipeline. With weld processes specifically optimized for cross country pipe welding, the Activ8X Pipe allows you to take Lincoln Electric’s industry-leading root-to-cap weld processes – including STT® and Pulsed MIG – right out to the field. In addition, the rugged and compact design provides durability to withstand the harshest conditions, from mud and rain, to extreme heat or cold, delivering the reliability you need to perform in the toughest welding applications.
The Flextec 350X PowerConnect One-Pak allows for compatibility with multiple input voltages from 200-600V, 1 or 3-phase. Also fully compatible with generator power. The Flextec 350X expands the system flexibility with Stick and TIG capabilty.


  • Waveform controlled STT-Field arc for full penetration, full fusion, open root passes on pipe
  • No control cables needed
  • No sense lead needed
  • Portable, compact package
  • CV DC+ only for solid wire and metal core wire
  • Simple setup
  • Easy to use with 4 memory locations
  • 8" diameter spool capacity
  • Additional weld and work power leads required

What's Included

  • Flextec 350X PowerConnect / Activ8X Pipe One-Pak
  • Work Lead 2/0, Tweco to GC500, 15ft. | K4835-2/0-15
  • Drive Roll Kit Combination .035 in / .045 in Solid Wire | KP1696-1
  • Activ8X® Pipe™ (Tweco®) | K4717-1
  • Copper Plus® Contact Tip - 350A, Tapered, .035 in (0.9 mm) - 10/pack | KP2744-035T
  • Magnum® PRO Nozzle - 350A, Thread-on, Flush, 3/8 in (9.5 mm) ID | KP2742-1-38F
  • Flextec® 350X PowerConnect® (Tweco) | K4273-1
  • Magnum® PRO Curve™ HDE™ 250 Welding Guns | K4531-2-10-45

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