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