I need an explanation and clarification regarding the aggressiveness of water in a closed-loop (steam-water shell&tube heat exchanger) system. I believe that water becomes more aggressive over time, especially when heated, and corrodes copper. What are the causes of this, and what steps can be...
Currently have a small (10-gal capacity) 20% propylene glycol/water closed loop system, including pump and two plate & frame heat exchangers, and a bladder-type expansion tank (piped near discharge of pump). Piping and filling methods trap air in top of two-pass heat exchanger.
1. Does it...
