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W-350 (WP-18) Medium-Duty

Weldcraft® W-350 (WP-18) Engineered for Continuous Duty Applications

The WP-18 series water-cooled TIG torch is ideal for high-amperage, continuous duty welding applications. The large cooling chamber head design minimizes overheating and costly downtime due to overheating.  In addition to their superior cooling capacity, the WP-18 series features a comfortably designed handle that helps improve torch control and prevent operator fatigue.


  • 350 Amp AC/DC (100% duty cycle)
  • Water-cooled body 70º head angle
  • Electrode capacity .020" (0.5mm) -to- 5/32" (4.0mm)
  • Torch body weight 7 oz. (198g)
  • Torch length 7" (177.8mm)
  • Handle diameter 1-1/16" (41.2mm)
  • Water flow 1qt./min. (0.946 L/min.)
  • Maximum pressure 50 psi (3.448 BAR)

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