Case Study on Corrosion Prevention Effects of Chilled Water in Air Conditioning Systems [Magnetic Water Treatment Device Vol. 6]
Installed on the supply header outlet side! An example showing a dark brown color compared to the untreated side.
There are two comparison devices for the internal pipe inspection; one utilizes a polarizer, while the other does not. A comparative inspection was conducted under conditions where the polarizer was not used. One polarizer model "PI-50F (2”)” was installed on the discharge side of the supply header for cold and hot water, with partial circulation treatment performed using the polarizer. After treatment, it was evident that old scale and rust had dissolved and flowed out, forming a magnetite anti-corrosion coating inside the pipe, which appeared smoother and had a dark brown color compared to the untreated side. The untreated side showed signs of corrosion and scale adhesion. [Case Study] ■ Installation Date: December 1985 ■ Purpose: Anti-corrosion and anti-scaling for cold and hot water equipment ■ Installation Method: Installed the polarizer model "PI-50F (50A)" on the outlet side of the supply header ■ Treated Water Volume: Treated more than 5% of the total circulating water volume *For more details, please refer to the PDF document or feel free to contact us.
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**Effects** - There are two comparison facilities for in-pipe investigation; one utilizes a polarizer while the other does not. - Clearly, old scale and rust dissolved and flowed out, forming a protective magnetite coating inside the pipe, which appeared smoother and had a dark brown color compared to the untreated side. - On the other hand, the untreated side without a polarizer experienced corrosion and scale adhesion. - Water Quality Inspection - In an old building, the rust-colored cold and warm water, which had advanced corrosion, changed to highly transparent cold and warm water one week after polarizer treatment or after 310 days. - A black protective magnetite (Fe3O4) powder precipitate was observed in the sample water. *For more details, please refer to the PDF document or feel free to contact us.*
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