I've been using these foils for many years with good results. However during this period I have noticed a progressive deterioration in their user friendliness. Over the years they appear to gone from green to silver to most recently red backed foils. Specifically I have noticed as the weather...
Has anyone experienced any corrosion problems in high pressure (40bar) steam line downstream from an attemperation unit? The corrosion occurs on the pipe top surface and looks like oxygen pitting....could it also be liquid impingement attack? No similar attack was occurring in the 6bar adjacent...