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Prevention Device Product List

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Pipe rust prevention, Legend Hotel Saigon introduces NMR pipe protectors.

Terrible red water becomes clear! The "NMR Pipe Protector," a device that eliminates red water caused by rust in pipes in a short period.

At the Legend Hotel Saigon (now Lotte Hotel Saigon) in Vietnam, severe red water emerged from the water supply pipes just six years after its construction. Despite running the water for an extended period, there was no sign of improvement, leaving guests unable to even take showers. The water in Vietnam contains a high level of sulfate components, which reacts with galvanized steel pipes (SGP), making it very prone to red rust formation. In response, in 2008, a red rust prevention device called the "NMR Pipe Protector" was installed in the water supply piping. Before the installation, red water was coming from all the water taps in the hotel. However, about a month and a half later, after conducting water quality checks in the sinks, baths, and toilets of ten guest rooms on the 14th to 17th floors, it was found that the water supply in almost all rooms had become clear, confirming the effectiveness of the red rust prevention. The corrosion of red rust in the water supply pipes was halted, and it was successfully transformed into black rust. This demonstrated that even in water with a high sulfate content that easily corrodes water supply pipes, the conversion of red rust to black rust could be achieved, exhibiting a high level of rust prevention effectiveness. *For more details, please refer to the PDF document or feel free to contact us.*

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To prevent pipe rust, Tokyo University of Science has introduced the NMR Pipe Protector.

The red rust prevention device "NMR Pipe Protector" prevents the deterioration of piping due to red rust, resulting in significant cost savings.

The Kagurazaka campus of Tokyo University of Science was 26 years old at the time. The water supply pipes were made of PVC-lined steel pipes, and serious red rust blockages had occurred at the joints of the water supply pipes. Before the installation of the NMR Pipe Protector, an inspection of the red rust blockage rate in the toilet water supply piping revealed that the blockage rate was 35%, indicating significant red rust deterioration. After the introduction of the NMR Pipe Protector, a re-inspection was conducted at the same location 10 months later. The results showed that the red rust blockage rate had decreased to 31%, and it was verified that the red rust was gradually changing from a volume of 1/10 of black rust from the surface of the red rust. At Tokyo University of Science, the NMR Pipe Protector was introduced to extend the lifespan of the piping in buildings and facilities that were originally scheduled for replacement in 10 to 15 years.

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To prevent red rust in piping, Nihon University College of Engineering has introduced the NMR Pipe Protector.

The red rust prevention device "NMR Pipe Protector" achieves rust prevention and reinforcement of piping through the black rust transformation of red rust! It significantly reduces maintenance costs for water supply pipes.

At the Nihon University College of Engineering campus in Koriyama City, Fukushima Prefecture, the water supply pipes in several research buildings were significantly deteriorated due to red rust, resulting in red water coming from the taps on holidays and the following days. To reduce the future piping renewal costs by 1/5 to 1/10, a red rust prevention device called "NMR Pipe Protector" was installed. The results of an inspection conducted one month after installation clearly demonstrated the excellent performance of the NMR Pipe Protector. The iron content in the water due to red rust decreased to less than 1/10 of the pre-installation level (from 7.8 mg/L before installation to 0.1 mg/L after installation). Originally, the iron content was at 7.8 mg/L, exceeding the water quality standard value of the Water Supply Act (0.3 mg/L), indicating a very serious progression of red rust. However, after installation, it was significantly below that standard value, proving the rust prevention effect through the blackening of red rust and the extension of pipe life. The water quality was remarkably restored to a hygienically satisfactory level. The NMR Pipe Protector is an exceptionally effective rust prevention device that saves energy in creating new piping, thereby reducing environmental burden. *For more details, please refer to the PDF materials or feel free to contact us.

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Pipe rust prevention, the BBC in the UK has introduced the NMR pipe protector.

Preventing red rust in the air conditioning pipes of the BBC in the UK, extending the life of the pipes by preventing leaks with the red rust prevention device 'NMR Pipe Protector'

The air conditioning piping in the main block building of the BBC (British Broadcasting Corporation) is 53 years old and has been experiencing leaks due to red rust deterioration. To avoid disruptions in program production during the pipe replacement work, a red rust prevention device called the "NMR Pipe Protector" was installed. The effectiveness of the NMR Pipe Protector in preventing red rust was verified in just about one month. Before installation, the iron content in the circulating water of the cooling water piping in the main block building was very high at 5.53 mg/L, indicating serious red rust deterioration. However, a water quality test conducted 32 days after the installation of the NMR Pipe Protector showed a significant reduction to 0.05 mg/L, which is less than 1/100 of the previous value, confirming the rust prevention effect due to the black rust formation caused by the NMR Pipe Protector. In the Stage 5 building, the iron content was also very high at 3.80 mg/L before the installation of the NMR Pipe Protector, but after installation, it decreased to approximately 0.06 mg/L, which is about 1/63 of the previous value, completely preventing red rust deterioration in the cooling water piping. Even in the 53-year-old BBC building, the high effectiveness of red rust prevention has been proven to prevent leaks and extend the life of the piping. *For more details, please refer to the PDF document or feel free to contact us.*

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Pipe anti-corrosion, hospital water supply and air conditioning piping longevity device "NMR Pipe Protector"

NMR Pipe Protector extends the lifespan of hospital water supply pipes and air conditioning chilled and hot water pipes affected by red rust deterioration for over 40 years at one-tenth the cost of pipe replacement.

Water supply pipes and chilled/hot water piping generally require replacement due to aging deterioration. In hospitals with over 25 years of operation, the chilled/hot water piping can experience red rust deterioration, leading to red rust blockage. At the same time, this red rust can flow into copper fan coils, causing blockages and reducing heating and cooling efficiency. Additionally, the red rust can accumulate within the heat source equipment, shortening its lifespan. In the water supply pipes, red rust can develop at the joints, and as the red rust deterioration progresses within both pipes, the threads at the joints can break off, leading to leaks during strong earthquakes. The NMR Pipe Protector prevents red rust deterioration, transforms red rust into black rust to improve pipe strength, and extends the lifespan of the piping. Since the chilled/hot water system is centralized, if piping replacement is carried out, the hospital must halt operations for more than six months, and the replacement costs can reach hundreds of millions to over a billion yen. The damages caused by operational downtime are also significant, leading to a demand for technology that can extend the lifespan of the air conditioning piping without replacement. The NMR Pipe Protector, a device for preventing red rust within pipes, has made this possible at less than one-tenth the cost.

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  • Water treatment equipment

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Calcium scale solidification adhesion prevention device "Non-Scaler"

The only one in the world! Prevents calcium scale without using chemicals.

The Non-Scaler is the world's only device that solves calcium scale solidification and adhesion problems without using chemicals. The Non-Scaler oxidizes dissolved calcium in water as hydroxide through blades inside the device, transforming it into calcium carbonate microparticles (nanoparticles) that are dispersed and flow in the water. Once transformed into calcium carbonate nanoparticles, they do not change even when heat is applied, preventing issues such as damage to pump blades and clogging in heat exchangers caused by calcium scale. ■Features - Excellent calcium adhesion prevention effect - Prevents calcium adhesion when installed in the make-up water pipe of cooling towers - Prevents damage to pump blades - Prevents clogging in heat exchangers - Prevents calcium adhesion in piping - No chemicals required - No external power supply needed - Compatible with pipe sizes from 15A to 250A *You can download materials explaining cost reduction methods. *Please feel free to request a free estimate via the inquiry form.

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  • Heating device

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[NMR Pipe Protector Verification Results] Office Building #TK

Prevent the progression of red rust and demonstrate the rehabilitation of piping due to black rust! A case where the amount of black rust increased to 16.9%.

At that time, the facility had been in operation for 42 years, and there were significant concerns about the corrosion of the hot water supply piping, which led to the adoption of the "NMR Pipe Protector." Before the installation of this product, the amount of black rust in the piping was 0.9%, but after 6 months of actual operation following installation, it increased to 16.9%, a relative increase of 1877.7%. The reduction of red rust to magnetite (black rust) has been demonstrated. In the future, if all the red rust turns into black rust, the piping will not require replacement as long as external corrosion does not occur. 【Introduction Overview】 ■ Location: Shibuya, Tokyo ■ Building Overview: 42 years old, 9-story office building ■ Installation Date: January 27, 2016 ■ Installed Piping: Cooling water pump primary side hot water supply piping (SGP pipe 200mm) ■ Number of Installations: PT-200DS × 1 unit *For more details, please refer to the PDF document or feel free to contact us.

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[NMR Pipe Protector Verification Results] Major DPE Factory

Piping with a statutory useful life of 15 years has been extended by 40 years! Maintaining the condition of the piping without red rust deterioration until 55 years of age.

In this property, galvanized steel pipes (SGP) are used for the water supply piping, and at 35 years old, the pipes were diagnosed to have a lifespan of only 2 months due to frequent leaks and the occurrence of red water. To prevent red rust and extend the life of the pipes, an "NMR Pipe Protector" was installed. In the water quality test before installation, the iron content was 0.5 mg/l, and there was a significant occurrence of red water. However, six days after installation, the iron content dropped to below 0.05 mg/l, and the red water was completely resolved. Subsequently, water quality tests conducted 14 years and 20 years after installation showed that red rust had completely disappeared, and new leaks were entirely prevented, proving the rehabilitation of the piping. [Effects After Installation] ■ Water quality test six days after installation showed iron content below 0.05 mg/l, and red water was completely resolved. ■ Water quality tests 14 years and 20 years after installation showed that red rust had completely disappeared. ■ New leaks were entirely prevented, proving the rehabilitation of the piping. ■ Pipes with a statutory useful life of 15 years were extended by 40 years, maintaining a condition free from red rust deterioration until 55 years old. *For more details, please refer to the PDF materials or feel free to contact us.

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[NMR Pipe Protector Verification Results] Kumamoto Red Cross Hospital

The total iron concentration in the water is also less than 0.1 mg/L, maintaining a good condition where red rust does not dissolve in the water!

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.

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  • Piping Materials

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[NMR Pipe Protector Verification Results] Hospital #E

The amount of red rust in the air conditioning hot water piping has significantly decreased! Completely preventing the progression of red rust and proving the rust prevention effect.

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.

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  • Piping Materials

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[NMR Pipe Protector Verification Results] Water Supply Pipe in Binh Phuc Province, Vietnam

The red rust inside the cast iron water supply pipe has turned into black rust! It has been proven that the leaching of red rust into the water has been completely prevented.

In the Huong Canh area of the Water Supply Bureau in Binh Phuc Province, Vietnam, cast iron pipes (150A) have been in use for 15 years, leading to the progression of red rust corrosion inside the pipes, which resulted in the regular occurrence of red water. To address this red water issue, a red rust prevention device called the "NMR Pipe Protector" was installed at the base of the cast iron water supply pipes (150A). Before installation, the water color and the amount of red rust at the sampling points located 500m north, 300m west, and 600m south of the installation site were as follows: the northern point had a light brown color with 7.0 mg/l of red rust, the western point had a brown color with 8.0 mg/l, and the southern point had a dark brown color with 23 mg/l. Two weeks after installation, the northern point showed a lighter color and a reduction in red rust to 4.6 mg/l. The western point nearly lost its color, decreasing to 2.0 mg/l. The southern point changed to a light brown color with a reduction to 12 mg/l. *For more details, please refer to the PDF document or feel free to contact us.*

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[NMR Pipe Protector Verification Results] Nursing Facility #HO

The red rust inside the water supply pipe has transformed into hard crystalline black rust with a volume reduction of 1/10! The rehabilitation of the piping due to the black rust formation from red rust has been confirmed!

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.

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  • Piping Materials

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[Non-Scaler Introduction Case Study] Major Chemical Plant

Prevention of calcium scale adhesion and cooling efficiency in heat exchangers! A case study that reduced the frequency of line stoppages due to pump disassembly and cleaning once every 1.2 months.

The heat exchanger at the chemical plant was subject to calcium scale buildup, necessitating disassembly, cleaning, and washing every five months. When scale accumulated on the heat exchanger, it reduced cooling efficiency and negatively impacted product quality. After installing a "non-scaler" following the cleaning of the heat exchanger, there was no calcium carbonate buildup on the hot water piping even after five months, resulting in maximum cooling effectiveness of the cooling water and maintaining the lowest defect rate for products. Additionally, the need to stop the plant every five months to scrape off calcium carbonate from the outside of the hot water piping was eliminated, leading to a reduction in product defect rates and an improvement in productivity. *For more details, please refer to the PDF document or feel free to contact us.*

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  • Piping Materials

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[NMR Pipe Protector Verification Results] Windsor Castle

Preventing red rust deterioration of the hot water piping at Windsor Castle in the UK!

The hot water supply pipes used in Windsor Castle, owned by the British royal family and with a history of 900 years, utilize SGP pipes. To prevent red rust deterioration and extend the lifespan of the pipes, an NMR Pipe Protector was installed on January 24, 2007. Before the installation of the NMR Pipe Protector, the iron content in the water in Room 107 was 3.32 mg/l, but 42 days after installation, it dropped to 0.007 mg/l. Additionally, the average iron content from two other sampling locations was 4.255 mg/l before installation, but decreased to 0.0105 mg/l after installation. This is significantly lower than the drinking water quality standard set by the UK, which is 0.2 mg/l. As a result, it has been demonstrated that the NMR Pipe Protector effectively prevents the occurrence of new red rust within the pipes and transforms existing red rust into black rust, which does not dissolve in water. By continuing to use the NMR Pipe Protector, the hot water supply pipes have completely eliminated internal red rust deterioration and, by preventing external corrosion, have become usable for as long as the building remains standing.

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  • Piping Materials

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[NMR Pipe Protector Verification Results] Lions Mansion Koshigaya North

Proving rust prevention effects through an effectiveness evaluation 10 years after installation!

This property has been in existence for 30 years, and there has been significant red rust blockage at the water supply pipe joints. Therefore, the red rust prevention device "NMR Pipe Protector" was adopted. When measuring the red rust blockage in the water supply pipes of Room A and Room B, it was found that before the installation of the NMR Pipe Protector, Room A had a blockage rate of 43.2% and Room B had a rate of 50.9%. 【Red Rust Blockage Rate One Year After Installation】 Room A: 41.7% Room B: 50.6% 【Red Rust Blockage Rate Five Years After Installation】 Room A: 39.7% Room B: 49.8%, confirming a reduction improvement rate of 8.1% and 2.1% respectively compared to before installation. 【Red Rust Blockage Rate Ten Years After Installation】 Room A: decreased to 36.8% Room B: decreased to 37.5%, showing a significant reduction in red rust of 48% for Room A and 26.3% for Room B compared to before installation. From these results, it has been demonstrated that the installation of the NMR Pipe Protector has halted the progression of red rust deterioration in the pipes, and the existing red rust has been reduced to black rust with a volume of less than 1/10, proving the effectiveness of pipe rehabilitation and red rust prevention.

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  • Piping Materials

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