Walter Surfox 305

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Walter Surfox 305


The SURFOX™ 305 is our patented electrochemical weld cleaning system for stainless steel and aluminum. It quickly and easily removes heat tint from the heat-effected zone of MIG, TIG and spot welds, cleaning the surface and allowing passivation on stainless steel to begin without altering the surface finish. The integrated tank and flow-through system ensures the electrolyte solution is delivered directly to the workpiece, minimizing the potential for spillage or cross-contamination. The dynamic current control also ensures that the electrical current will not cause micropitting on the surface.

Why is passivation so important?

Stainless steel is naturally able to resist corrosion thanks to a passive chromium oxide layer that forms on its surface. The formation of this protective layer is called passivation. Abrasion or excessive heat (caused by welding) will destroy this protective layer and expose the metal to corrosion. In order to fully restore the corrosion resistance of stainless steel, heat tint and other surface contaminants must be removed. SURFOX is a safe, effective and fast electrochemical cleaning system. The rate of cleaning welds with this system is between 3-5 feet per minute. The SURFOX system combines both the cleaning power of electrical current and the passivation properties of electroyte cleaning solutions. Passivation begins instantly after the SURFOX  electrochemical cleaning process is completed. It usually takes between 24 to 48 hours for  passivation to be stable and complete.

Features & Benefits:

  • Switchable output: AC Mode: cleaning & marking - DC Mode: polishing & etching
  • Easily cleans MIG welds, TIG & spot welds
  • Exclusive quick-change brush system to easily change out accessories and reduce downtime
  • Ability to clean larger and hard to reach areas with our new brushes
  • Integrated reservoir reduces the potential for contaminating or spilling the electrolyte solution
  • Built-in vapor dispersion system


  • Part No: 54-D 315
  • Power Input - 120 V AC, 50/60 Hz, 8.0 A
  • Power Output - 12-30 V AC/DC, 30A max
  • Weight - 44 lb

    Surfox 305 User Manual

    Interested in trying this machine out before you buy? Contact us at to set up a demo with a Walter rep.