Copper alloys containing nickel are far less susceptible to ... pump impellers, or on another feedwater heater tube surface in the form of a pure copper “snakeskin.” They may also continue ...

Our experience with the copper nickel tube is that we will get occasional ... As all of the copper-based feedwater heaters have been replaced with other alloys in this case study, the only ...

Click here to enlarge image The main condensers and low-pressure feed water heaters on Units 1 and 2 use admiralty brass tubes and the high-pressure feed water heaters use 70/30 copper nickel.