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The "Polar Magnetic Water Treatment Device" is a product that can prevent rust, scale adhesion, and slime formation by being installed in piping. It has a delivery record of over 6,000 units in Japan. It can be installed compactly and is usable in various locations, including cooling towers, chillers, and various heat exchangers. It does not use chemicals for treatment, and maintenance is easy. Partial treatment of circulating water is possible at 5-20%. [Effect Example in Air Conditioning Cold and Hot Water Piping] Location: A major home improvement center Condition: Installed during construction, 17 years and 5 months have passed Effect: A thin, dense, and uniform rust prevention film that incorporates minerals suppresses the reaction between oxygen and iron in the water, achieving a piping system without rust lumps compared to untreated piping. *For more details, please refer to the PDF document or feel free to contact us.

This is a case study confirming the rust prevention effect on air conditioning chilled and hot water pipes 17 years and 5 months after polar treatment. Due to the rust prevention effect of the polar treatment, there are no rust nodules on the inner surface of the pipes, which are covered by an extremely thin, dense, and uniform rust prevention film that has absorbed minerals. This film prevents the reaction (corrosion) between oxygen in the water and iron, thereby providing corrosion protection. [Case Study] - Location: A major home improvement center - Installation Date: October 2002 (17 years and 5 months since installation during new construction) - Purpose: Rust prevention measures for newly installed air conditioning chilled and hot water equipment *For more details, please refer to the PDF document or feel free to contact us.

We will introduce the actual corrosion prevention effects of cold and warm water systems. Before treatment, we conducted two water sampling (500cc each), took photographs, and performed water quality analysis. After 1 to 3 months post-treatment, the water becomes clear, so we will conduct water sampling in the same manner as before and by comparing the results, the corrosion prevention effect can be clearly confirmed. (Iron units are in mg/L) The PDF document includes comparative photographs. Please take a look. 【Comparison Case Lineup (Excerpt)】 ■ A certain university in Akita ■ A supermarket in Oga City, Akita ■ A certain general company, Fukushima factory ■ A certain highway in Akita *For more details, please refer to the PDF document or feel free to contact us.

We would like to present the results of the effectiveness confirmation of the newly installed chilled and hot water pipes after five years. Nearly five years have passed since the installation of the polar system, and an internal inspection of the pipes was conducted to confirm the effectiveness of the newly installed chilled and hot water pipes. It was confirmed that an extremely thin, dense, and uniform white (inorganic) anti-corrosion coating had formed. Due to the protection provided by this coating, there was no occurrence of rust on the inner surface, confirming the excellent anti-corrosion effect of the polar system. 【Case Study】 ■ Installation Purpose: Anti-corrosion, anti-scaling, and water quality purification effects for chilled and hot water (new installation) ■ Installation Location: Chilled and hot water piping for air conditioning at Kyudenko Co., Ltd. Fukuoka Branch Building ■ Installation Date: February 1999 ■ Model: PI-40F (3-point set) x 2 units ■ Installation Location: Chilled and hot water equipment for air conditioning (2 locations: 2 units) ■ Installation Method: Installed with a partial backflow method for more than 5% of the circulating water volume *For more details, please refer to the PDF document or feel free to contact us.

On March 3, 2003, a polarizer was installed (on February 1, 2000), and since three years have already passed, maintenance (management) was conducted. After the installation of the polarizer, the red rust water turned into clear water about a week after treatment, and for the following three years, the water has remained clear and clean, indicating that the anti-corrosion effect can be evaluated as extremely significant. Additionally, before installation, about six electric control valves were malfunctioning and had to be replaced, but after installation, there have been no malfunctions, so the economic effect is considered to be very large. [Case Study] - Installation Location: Certain Medical Center in Tokyo - Installation Date: February 1, 2000 - Model: PI-25CF x 1 unit - Target Equipment: Air conditioning chilled and hot water system - Installation Method: Partial (5%) back method *For more details, please refer to the PDF document or feel free to contact us.

At the headers of the hot and cold water systems for the Fukui Prefectural Hospital's air conditioning, a polar magnetic water treatment device was installed along with a dedicated circulation pump, and the circulating water was treated using a partial draw-in method. As a result, significant improvements in water quality were achieved in the hot water system, with pH and silica levels showing notable enhancements, and the Langelier index rising from -1.9 (highly corrosive) to +0.9 (non-corrosive). The cold water system also showed significant improvements in water quality, with the Langelier index increasing from -1.9 (highly corrosive) to -0.2 (very slight corrosion). However, the iron content in both the treated hot and cold water decreased from 0.15 to below 0.05, a reduction of one-third, indicating that the risk of corrosion is negligible. [Case Study] ■ Installation Location: Headers of the hot and cold water systems for the Fukui Prefectural Hospital's air conditioning ■ Polar Model - For cold water system: Model PI-50CF × 1 set (Trial operation on November 1, 2003) - For hot water system: Model PI-50CF × 1 set (Trial operation on November 1, 2003) (Size selection was carried out by our company) *For more details, please refer to the PDF document or feel free to contact us.

There are two comparison devices for the internal pipe investigation; one utilizes a polarizer, while the other does not. A comparative inspection was conducted under conditions without the use of a polarizer. One unit of the 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, clearly old scale and rust dissolved and flowed out, forming a magnetite anti-corrosion coating inside the pipe, which appeared smoother and exhibited 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: The polarizer model "PI-50F (50A)" was installed on the outlet side of the supply header - Treated Water Volume: More than 5% of the total circulating water volume was treated *For more details, please refer to the PDF document or feel free to contact us.

This introduces the corrosion prevention, anti-scaling, and water quality purification effects of chilled and warm water systems. To confirm the effectiveness of the newly installed chilled and warm water pipes, an internal surface inspection was conducted. A very thin, dense, and uniform white (inorganic) corrosion-resistant coating was formed, and there was no occurrence of rust. The water quality inside the pipes was slightly alkaline, and the iron content was within the drinking water standards. The clips in the sample water also showed no signs of rust, resulting in excellent outcomes. [Case Study] - Installation Location: A certain hospital in Fukuoka Prefecture - Installation Date: February 16, 1999 - Polar Model: PI-50F x 2 units - Installation Location: Chilled and warm water equipment for air conditioning (2 units) - Installation Method: Partial (5%) back method *For more details, please refer to the PDF document or feel free to contact us.