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Marc, Galvanized in a chilled water system has to worry about several things that could cause corrosion - Yes zinc is a sacrificial anode to the carbon steel but surface temperatures, pH, the inhibitor and other metallurgies utilized in the system all ...

Marc. The zinc is a sacrificial anode that will protect the pipe for a period of time. When zinc free areas of the pipe become too large the base metal (normally carbon steel) starts corroding. Test for iron in the closed system water to determine ...

One of my new customers has no treatment for a chilled water system with galvanized piping. What is the best inhibitor to use for such a system? With recommended inhibitor, is there technical reference information i can pass along to reassure the customer? ...