Cooling water (refrigeration unit and oil cooler) [Magnetic water treatment device Vol. 9]

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last updated：Nov 08, 2024

日本セルポ

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Effect on rust on the inner surface of pipes, how effective is it against scale adhesion?

When cooling circulating water is treated magnetically with a Polar Water Conditioner, we conducted tests to determine the effectiveness against rust on the inner surface of pipes and the extent of scale adhesion. The testing method involved two identical cooling systems; one was equipped with the Polar unit, which treated the circulating water through a bypass, while the other remained untreated for comparison. The inner surface of the pipes using the Polar unit showed a coating of white calcium powder crystals adhering to the uneven surface of the pipes, effectively suppressing the progression of rust. In contrast, the untreated side exhibited less coating from calcium powder crystals, leading to increased rust progression. 【Case Study】 - Installation Location: A certain public factory in Tokyo - Test Period: 1 year from June 1983 to July 1984 - Polar Installation Position: The Polar model "PI-32F (32A)" was installed in a partial bypass mode to treat more than 15% of the circulating water volume. *For more details, please refer to the PDF document or feel free to contact us.

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[Test Results] - The inner surface of the test pipe (new pipe) where the polarizer was installed has developed a coating due to the adhesion of white calcium powder, and there is almost no progression of rust observed. - Additionally, this calcium powder is soft and can be removed with water washing. - On the other hand, the untreated pipe shows progression of rust and no inner surface coating is observed. *For more details, please refer to the PDF document or feel free to contact us.