The CVA vacuum process uses gaseous precursors and provides very accurate control of diff usion depth and thickness over all inner and outer surfaces of the parts, irrespective of their geometrical complexity.
The design of the Bernex™ CVA system allows for the control of high and low diff usion activity as well as co-diff usion of elements such as silicon, chromium, zirconium, hafnium or cobalt, and a post-diff usion heat treatment process within the same process cycle.
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Bernex CVA


  • Active gas flow that reaches internal cooling
  • Channel controlled high and low activity processes
  • Dual reactor design for high capacity

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