日本システム企画 List of Products and Services

At Whittington Hospital, galvanized steel pipes (SGP) had been used for hot water piping for over 30 years, resulting in the daily occurrence of dark red water and concerns about leaks. Before the installation of the "NMR Pipe Protector," the iron content in the hot water was very high at 7.33 mg/l, and the deterioration of red rust in the pipes was quite advanced. However, after 19 days post-installation, the iron content in the hot water decreased to 0.388 mg/l. After 29 days post-installation, it further reduced to 0.077 mg/l, which is 1/100 of the initial value, completely preventing the deterioration of red rust. It was proven that the red rust in the pipes transformed into insoluble and passive black rust in water at a volume of 1/10. [Effects After Installation] - After 19 days post-installation, the iron content in the hot water decreased to 0.388 mg/l. - After 29 days post-installation, it further reduced to 0.077 mg/l, completely preventing the deterioration of red rust. - By preventing external corrosion, this piping can be used for 100 years or even 200 years as long as the building remains standing. *For more details, please refer to the PDF document or feel free to contact us.*

Whittington Hospital (affiliated with the NHS) was built in the 1860s, and the building has been deteriorating, with the hot water piping having not been updated for about 30 to 40 years since the last renovation. As it stood, the risk of clogs and leaks due to corrosion in the hot water pipes was high, leading to the decision to introduce the red rust prevention device, the "NMR Pipe Protector." As a result of implementing the NMR Pipe Protector, the occurrence of new red rust has been completely prevented, and there have been no instances of red water, proving that the hot water piping has been significantly extended in its lifespan. Additionally, the interior of the piping is protected from black rust by the NMR Pipe Protector, preventing the progression of red rust corrosion. As long as the NMR Pipe Protector is installed, the piping can be used for the lifespan of the building. [Installation Results] ■ Piping can be used until the lifespan of the building ■ Significant cost reductions achieved ■ No need for water outages * Customer testimonials (recommendation letters) and other PDF materials are available for free! * Please feel free to contact us first.

At Kumamoto Red Cross Hospital, a red rust prevention device called "NMR Pipe Protector" was installed in the air conditioning chilled and hot water piping to prevent red rust after 16 years of construction, and the rust prevention effect was verified. Two weeks after installation, water samples were taken from the air conditioning chilled and hot water piping, and upon retesting, the total iron content due to red rust in the water had significantly decreased to 0.07 mg/l. On February 27, 2019, four years after installation, water sampling was conducted, and it was confirmed that new red rust was completely prevented, and the existing red rust had been converted into insoluble black rust in the water, maintaining the water's transparency. [Summary] ■ Before installation: The total iron content due to red rust in the water was 12.3 mg/l, indicating progression of red rust in the piping. ■ Effects after installation: - Two weeks after installation, the total iron content due to red rust in the water significantly decreased to 0.07 mg/l. - Four years after installation, new red rust was completely prevented. - The existing red rust was converted into insoluble black rust in the water, maintaining the water's transparency. - The total iron content in the water was also maintained at less than 0.1 mg/L, indicating that red rust was not dissolving in the water. *For more details, please refer to the PDF document or feel free to contact us.

Kumamoto Red Cross Hospital, being a long-established medical institution, faced issues due to the aging of its facilities. One of the significant problems that cannot be ignored is the "deterioration of pipes due to red rust." One of the issues caused by the deterioration of the air conditioning hot and cold water pipes is "leakage." In advanced medical facilities, leakage can lead to the malfunction of medical equipment and is certainly undesirable from a hygiene perspective. In response, in 2014, the 'NMR Pipe Protector' was introduced as a measure to prevent pipe deterioration, and its effectiveness was recognized, leading to its implementation throughout the entire facility. A water quality survey conducted before the installation of the NMR Pipe Protector revealed that the iron content due to red rust in the hospital's air conditioning hot water was 12.3 mg per liter, indicating significant red rust presence. However, just two weeks after the installation of the NMR Pipe Protector, this level decreased to 0.07 mg, demonstrating a reduction of approximately 82% in concentration, and proving that the red rust had transformed into insoluble black rust in the water. Not only were we able to protect the medical environment from leakage caused by red rust, but we also became able to allocate more budget to other areas. *For more details, please refer to the PDF document or feel free to contact us.*

The hot water supply piping at the Cambridge University Hospital uses galvanized steel pipes (SGP) as the piping material, and the piping was updated three years ago. However, due to bacterial corrosion, red water and leaks occurred. To prevent red rust corrosion in this piping, "NMR Pipe Protectors" were installed. Before the installation of this product, the iron content in the hot water supply piping was high at 1.07 mg/l, and discoloration was observed. However, 11 days after installation, the iron content in the hot water decreased to 0.188 mg/l, and the red water was completely resolved. [Introduction Overview] ■ Hospital Name: Cambridge University Hospital (Addenbrooke's) ■ Hospital Location: Hills Road, Cambridge, UK ■ Hospital Overview: 28 years old (3 years since piping update), 5 stories (over 1000 beds) ■ Installation Date: February 16, 2004 ■ Installed Piping/Number of Units - Secondary hot water supply piping from the storage tank (SGP pipe 65mm) / PT-75DS x 2 units - Water supply piping for the 3rd floor system (SGP pipe 32mm) / PT-30DS x 1 unit *For more details, please refer to the PDF document or feel free to contact us.

At Hospital #H, which was built 48 years ago, the air conditioning chilled and warm water piping using galvanized steel pipes (SGP) has shown significant deterioration due to red rust, leading to leaks. Therefore, we installed the red rust prevention piping extension device "NMR Pipe Protector." Before installation, we sampled the circulating chilled and warm water from the air conditioning system, revealing a total iron concentration of 2.5 mg/l, indicating that red rust corrosion was progressing within the pipes. Four weeks after the installation of our product, a subsequent water sample showed a significant reduction in total iron concentration in the chilled and warm water to 0.4 mg/l. A water sample taken six years after installation showed the total iron concentration further decreased to 0.2 mg/l, completely halting the progression of new red rust within the air conditioning chilled water pipes. The existing red rust had transformed into an insoluble, passive black rust with a volume reduced to one-tenth. [Introduction Overview] ■ Hospital Location: Hamamatsu City, Shizuoka Prefecture ■ Hospital Overview: 41 years old, 2 basement floors and 9 above-ground floors with 606 beds ■ Installation Date: December 2013 *For more details, please refer to the PDF document or feel free to contact us.

At Hospital E, which was built 30 years ago, there were concerns about leaks due to the progression of red rust deterioration in the air conditioning hot water piping that uses galvanized steel pipes (SGP). Therefore, a red rust prevention device called "NMR Pipe Protector" was installed. Before installation, a sample of the circulating air conditioning hot water was taken, revealing that the total iron content in the water due to red rust was 360 mg/l, indicating significant corrosion within the piping. Two weeks after the installation of the product, a sample of the air conditioning hot water showed that the total iron content in the water had significantly decreased to 0.4 mg/l. [Introduction Overview] ■ Hospital Location: Ebetsu City, Hokkaido ■ Hospital Overview: 30 years old, 4 stories, 200 beds (entire building) ■ Installation Date: November 2017 ■ Installed Piping/Number of Installations - Main building heat exchanger secondary side hot water supply pipe (SGP pipe 100mm)/PT-100DS×1 unit - <Water Supply System> PT-100DS×2 units *For more details, please refer to the PDF document or feel free to contact us.

At Hospital #A, which was built 31 years ago and uses galvanized steel pipes (SGP) for its air conditioning hot water piping, the deterioration due to red rust has progressed significantly. To prevent future leaks, we installed a red rust prevention pipe extension device called the "NMR Pipe Protector." Before installation, we sampled the circulating air conditioning hot water, and the total iron content in the water was found to be 130 mg/l due to red rust, indicating severe corrosion within the pipes. Two weeks after the installation of our product, the total iron content in the air conditioning hot water was significantly reduced to 4.6 mg/l. Furthermore, four weeks after installation, the total iron content was measured at 2.7 mg/l, a reduction to 1/50 of the initial value. The progression of new red rust within the pipes was completely halted, and the existing red rust had transformed into an insoluble form in water, changing into black rust with a volume reduction to one-tenth. [Introduction Overview] ■ Hospital Location: Sapporo City, Hokkaido ■ Hospital Overview: 31 years old, 1 basement floor and 4 above-ground floors with 554 beds ■ Installation Date: April 2018 *For more details, please refer to the PDF document or feel free to contact us.

At Hospital #I, due to the significant deterioration of red rust in the air conditioning chilled and hot water piping, which uses galvanized steel pipes (SGP) that are 19 years old, we installed a red rust prevention piping extension device called "NMR Pipe Protector" to prevent leaks. Before the installation of this product, we sampled the circulating air conditioning chilled and hot water, and found that the total iron content in the water was very high at 5.1 mg/l due to red rust, indicating that corrosion from red rust in the piping was quite advanced. Three weeks after the installation, a sample of the air conditioning chilled and hot water showed that the total iron content in the water had decreased to less than 0.03 mg/l, completely halting the progression of new red rust in the air conditioning chilled and hot water. It was demonstrated that the red rust that had been present in the piping had transformed into insoluble black rust, which is 1/10th the volume of the original. If Hospital #I continues to use this product, the air conditioning chilled and hot water piping will no longer require updates in the future, and costs will be reduced to less than 1/10th, extending the lifespan of the building. *For more details, please refer to the PDF document or feel free to contact us.

At Hospital #K, which was built 30 years ago, deterioration due to red rust in the air conditioning chilled and warm water piping using galvanized steel pipes (SGP) has progressed. To prevent leakage, a red rust prevention piping extension device called "NMR Pipe Protector" was installed. Before installation, a sample of the circulating air conditioning chilled and warm water was taken, revealing that the total iron content in the water was 3.6 mg/l, indicating significant red rust corrosion within the piping. Ten years after installation, effectiveness verification through sampling and analysis by an external organization showed that the iron content remained at a favorable level of 0.2 mg/l, demonstrating the sustainability of the red rust prevention effect provided by the product. 【Introduction Overview】 ■ Hospital Location: Edogawa Ward, Tokyo ■ Hospital Overview: 31 years old, 4 stories, 144 beds ■ Installation Date: December 2020 ■ Installed Piping/Number of Installations ・Secondary side chilled and warm water (supply) main line of air conditioning generator (SGP pipe 150mm)/PT-150DS×1 unit ■ Effect Measurement Method: Effect verification through sampling *For more details, please refer to the PDF document or feel free to contact us.

At Hospital #H, which was built 48 years ago, the air conditioning chilled and warm water piping using galvanized steel pipes (SGP) has experienced significant deterioration due to red rust, leading to leaks. Therefore, a red rust prevention piping extension device, the "NMR Pipe Protector," was installed. Before installation, a sample of the circulating chilled and warm water was taken, revealing a total iron concentration of 2.5 mg/l, indicating that red rust corrosion was progressing within the piping. Four weeks after the installation of the product, a subsequent water sample showed a significant reduction in total iron concentration to 0.4 mg/l. A water sample taken six years after installation showed an even further reduction to 0.2 mg/l, confirming that the progression of new red rust within the chilled water piping had completely stopped. The existing red rust had transformed into an insoluble, passive black rust with a volume reduced to one-tenth. [Introduction Overview] ■ Hospital Location: Hamamatsu City, Shizuoka Prefecture ■ Hospital Overview: 41 years old, 2 basement levels and 9 above-ground floors with 606 beds ■ Installation Date: December 2013 *For more details, please refer to the PDF document or feel free to contact us.

The hospital had been built for 27 years at the time, and the air conditioning chilled and warm water piping, which used galvanized steel pipes (SGP), was experiencing significant deterioration due to red rust, raising concerns about leaks. Before the red rust corrosion could progress any further, a red rust prevention piping extension device called "NMR Pipe Protector" was installed. After 52 days of installation, under the same conditions, the water sampled from the air conditioning warm water showed a transparent color, and the water quality test results indicated that the iron ion concentration in the water was 0.27 mg/l, which is below the water quality standard value (1.0 mg/l) set by the Japan Refrigeration and Air Conditioning Industry Association. If this product continues to be installed in the hospital's air conditioning chilled and warm water piping, it has been verified that the red rust deterioration and leaks in the piping will be completely prevented, extending the piping's lifespan to that of the building. [Introduction Overview] ■ Hospital Location: Sendai City, Miyagi Prefecture ■ Hospital Overview: 27 years old, 5 stories, 199 beds ■ Installation Work: December 25 to 28, 2006 *For more details, please refer to the PDF document or feel free to contact us.

This nursing facility had experienced significant deterioration due to red rust in the water supply and hot water supply pipes. Therefore, when the building was 25 years old, a red rust prevention device called the "NMR Pipe Protector" was installed in the water supply pipe on the secondary side of the rooftop water tank and in the hot water supply pipe on the secondary side of the boiler. Before the installation of the NMR Pipe Protector, the iron ion concentration in the water supply was 2.27 mg/l, and the color degree was 20, indicating severe deterioration due to red rust in the pipes. Four weeks after the installation of the NMR Pipe Protector, the iron ion concentration in the water dropped to 0.46 mg/l, and the color degree improved to 5, showing a significant improvement in water quality. Furthermore, the water quality test results 12 weeks after installation showed that the iron ion concentration was 0.03 mg/l, and the color degree was less than 0.5. The red rust in the water supply pipe had transformed into hard crystalline black rust with a volume reduction of 1/10, stopping the leaching of red rust into the water. The rehabilitation of the pipes due to the black rust formation was confirmed. This demonstrated that if the use of the NMR Pipe Protector continues, both the water supply and hot water supply pipes can be extended to the lifespan of the building.

Moseley Hospital has two independent hot water systems: one connected to the storage tank and the other connected to the hot water header, with galvanized steel pipes used in the hot water piping. As a result, NMR pipe protectors were installed in the storage tank piping and the hot water header piping to prevent red rust corrosion and leaks in both hot water systems. Water samples were taken from the hot water piping at five locations, and the average iron content in the water was calculated. Before the installation of the NMR pipe protectors, the average value was 13.824 mg/l. After 15 weeks of installation, it decreased to 1.3882 mg/l; after 31 weeks, it further decreased to 0.4762 mg/l; and after 49 weeks, it reached 0.3428 mg/l, showing a significant reduction. This result demonstrated that the NMR pipe protectors prevented the formation of new red rust within the pipes and reduced existing red rust to black rust, which is insoluble in water and has a volume that is one-tenth of that of red rust. It has been proven that by continuing to install NMR pipe protectors, the hot water piping will transform 100% of the red rust within the pipes into black rust, thereby extending the lifespan of the building.