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4A Thermal Dynamics Torches & Parts

Improve Your Plasma Arc Welding Performance, Improve Weld Quality & Lower Costs

The Plasma Arc Welding experts at Arc-Zone offer the highest-quality Thermal Dynamics® 4A type replacement torch packages, and consumable parts. Our products are engineered to be a step up from the original equipment that came on your Ultima 150 series machine.

For more than 25 years we have helped end users from around the world improve their welding operations by lowering setup and maintenance costs, we can help you too!

Torch Setup & Operation Guides:

  • Optimize Your Plasma Arc Welding Torch: .pdf
  • 4A Plasma Torch Setup Guide: .pdf
  • Thermal Arc® Ultima 150: .pdf
  • Thermal Arc® Ultima 150 Service Manual: .pdf