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Case Study: This is the perfect solution for pipe rehabilitation with all good aspects! Zero running costs.

Incredible... Over 4,300 installations! Old piping can be kept without replacement thanks to rust prevention effects! We will introduce various case studies from different buildings all at once.

~Recommended for those who:~ ■ Want to continue using old piping ■ Do not want to cut or grind the piping ■ Prefer to avoid water outage construction ■ Do not want to spend much time or money...! The introduction cost is less than 1/5 to 1/10 of the cost of piping renewal! *Please download the PDF materials below to view the "Case Studies." *Feel free to contact us if you would like to know a rough estimate!

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  • Piping Materials
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[Cost Comparison] Which is better, pipe replacement or not? We reveal the exact costs of case studies!

We have published numerous costs for when you actually implement it. We will provide a "cost comparison table" that clearly shows the comparison with the costs of updating piping!

~For those who are troubled by such issues~ ■ I don't have the money to rebuild or update the plumbing... ■ I want to quickly address the red water and plumbing clogs... ■ Water outage construction is quite a hassle... ★ Please download and view the PDF materials for the 'Case Studies' below. ★ Feel free to contact us if you want to know a rough estimate of the costs!

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Essential Plumbing Basics and Solutions for Red Rust Troubles That Beginners Can Easily Understand

Replace everything when it gets old? You’ll regret it if you don’t know! A gentle management method for piping and the reasons behind it. New anti-corrosion technology for piping!

<Aren't you misrecognizing something?> - There won't be any red water, so it's fine, right... - If it's VLP pipes or anti-corrosion cores, there won't be rust, so it's okay... - For now, we're cleaning the pipes, so it should be fine... - If they get old, we'll just have to replace everything, right... = Knowledge is definitely beneficial = - Examples of red rust problems caused by pipes seen in images - What is "black rust" that completely solves the red rust issue? - The chemical change "reduction" that converts red rust to black rust - Pipe-friendly management methods and the reasons behind them *You can download the materials for free. *Please feel free to contact us first.

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It has also been adopted by Christ's College, Cambridge University!

Extend the lifespan of piping! Case study of the "NMR Pipe Protector" introduced at Christ's College, Cambridge University.

Christ's College, Cambridge University, originated from God's House, which was established in 1437, and was rebuilt and opened as Christ's College in 1505 at nearly the same location. It is also famous for producing numerous notable alumni, including Charles Darwin, the author of "On the Origin of Species." The university's air conditioning hot water piping has been troubled by issues related to red rust internally, and although sacrificial anodes were introduced in 2008 as a countermeasure, the progression of red rust did not stop. Additionally, an anti-corrosion agent was applied annually, but there was no change in the iron content of the water before and after its use, raising concerns about the agent's impact on human health. Therefore, to remove red rust and single-celled bacteria while maintaining the strength of the piping, an NMR pipe protector was installed on July 31, 2013, in the air conditioning hot water piping (return pipe) of the Todd Building on the university campus. The iron content in the water, which was 43.81 mg/l before installation, dropped to 17.95 mg/l three weeks after installation. As October arrived and the air conditioning hot water system operated at full capacity, the levels continued to decrease, reaching 0.5195 mg/l by August 5, 2014, 52 weeks after installation, which is about one-eighty of the original level.

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Verification of the effectiveness of NMR pipe protectors by the Yokohama City Waterworks Bureau.

Confirmed the rust prevention effect inside the piping in areas where the NMR pipe protector's rust prevention effect conditions are met.

To demonstrate the rust prevention effect of the NMR pipe protector, a certain amount of water must flow through the piping. In the Konan Chuo area where the rust prevention effect test was conducted, the minimum water usage for a 50A pipe was 4.4 tons per day, but only three households were using that water, resulting in a total water usage of 1 ton per day (an average of 350 liters per day per household), which is very low. In the Teramachi 2-chome area, the number of households using water for each branched pipe with a diameter of 50A was six and eight, respectively, with the six households using about 2 tons of water per day and the eight households having a total water usage of just under 3 tons per day. Due to insufficient water usage, a clear rust prevention effect could not be confirmed. However, in the Tsurumi Public Housing and Hazawa area, where similar verification tests were conducted, the conditions were met. In Tsurumi Public Housing, the red rust in the water supply pipe decreased from 0.27 mg/l to 0.12 mg/l six weeks after the installation of the NMR pipe protector, and an increase in residual chlorine concentration, which had been reduced due to red rust, was confirmed. In the Hazawa area, the residual chlorine concentration, which had decreased by 45.3%, improved significantly to a reduction of 13.6%. The Yokohama City Waterworks Bureau has concluded the tests as there are no more suitable locations to further test the rust prevention effect of the NMR pipe protector.

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[NMR Pipe Protector Verification Results] Teikoku Theatre Building

The red rust issue in the piping that occurred 21 years ago has been completely resolved! No leaks have occurred, and the piping condition has been maintained in good shape.

The heat source equipment of the Imperial Theatre uses steam boilers and turbo chillers, and since the theatre dislikes noise, the heat source is installed six floors underground. Additionally, most of the piping is located within concrete, making pipe renewal work extremely difficult. To improve the current situation where significant deterioration due to red rust in the piping has progressed after 34 years since its construction in 2000, the "NMR Pipe Protector" was installed to convert red rust to black rust and rehabilitate the piping. As of 2021, 21 years later, all issues related to red rust in the piping have been resolved, and there is almost no iron content from red rust in the circulating air conditioning chilled and hot water. Since the installation of this product, there has been no leakage at all, maintaining an extremely good condition of the piping. 【Effects After Installation】 ■ All issues related to red rust in the piping that existed 21 years ago have been resolved. ■ There is almost no iron content from red rust in the circulating air conditioning chilled and hot water. ■ There has been no leakage at all, maintaining an extremely good condition of the piping. *For more details, please refer to the PDF document or feel free to contact us.

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NMR Pipe Protector Verification Results: Fenchurch Building

Nine days after installation, the iron concentration dramatically decreased to 0.5 mg/l! A case proving the rehabilitation of pipes through the black rusting of red rust.

The hot water supply piping in this office building uses galvanized steel pipes (SGP pipes) as the piping material, and serious red water due to corrosion deterioration occurred throughout the building. According to water quality tests, the iron content in the hot water supply in the early morning was high at 5.2 mg/l, so a "NMR Pipe Protector" was installed to prevent red rust and extend the life of the hot water piping. In the water quality test conducted nine days after installation, the iron content dramatically decreased to 0.5 mg/l, and even 43 days after installation, the iron content remained low at 0.5 mg/l. [Effects After Installation] ■ In the water quality test nine days after installation, the iron content dramatically decreased to 0.5 mg/l. ■ In the water quality test 43 days after installation, the iron content remained low at 0.5 mg/l. ■ The leaching of red rust into the water stopped, proving the rehabilitation of the piping through the black rust formation. ■ By preventing external corrosion, the piping became usable as long as the building remains standing. *For more details, please refer to the PDF document or feel free to contact us.

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[Verification Results] Christ's College, University of Cambridge

Red rust is reduced to a strong passive black rust! A proven case of protection and prolongation of pipes.

The university's air conditioning hot water piping has been plagued by issues related to internal red rust, and although a sacrificial anode was introduced in 2008 as a countermeasure, the progression of red rust did not stop. Additionally, a rust inhibitor was administered once a year, but there was no change in the iron content in the water before and after the use of the rust inhibitor, raising concerns about its effects on human health. Therefore, in order to remove red rust and single-celled bacteria while maintaining the strength of the piping, an "NMR Pipe Protector PT-75DS" was installed in the air conditioning hot water piping (return pipe) of the Todd Building on campus. The iron content in the water, which was 43.81 mg/l before installation, decreased to 17.95 mg/l three weeks after installation. [Challenges] ■ Although a sacrificial anode was introduced, the progression of red rust did not stop. ■ A rust inhibitor was administered once a year, but there was no change in the iron content in the water before and after its use, and there were concerns about its effects on human health. *For more details, please refer to the PDF document or feel free to contact us.

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[NMR Pipe Protector] Effectiveness Demonstrated through X-ray Inspection | Hokkaido Condominium

Effectiveness demonstrated by X-ray inspection of the water supply pipes in the condominium 19 years after the installation of the NMR pipe protector.

Nineteen years after the installation of the NMR pipe protector, an inspection was conducted by the condominium management association of a 9-story, 110-unit building in Sapporo, Hokkaido, when the building was 32 years old. They commissioned an external investigation company to examine the condition of red rust deterioration at the water supply pipe joints. Ten locations were selected within the pipe space of the water supply pipes (pipe diameters 25A to 65A) from the 1st to the 9th floor, and a non-destructive inspection using X-rays was performed on the joint areas. The results of the X-ray inspection showed that out of the ten locations, eight had no signs of red rust deterioration at the pipe joints. The other two locations showed only slight traces of corrosion, which were estimated to have occurred before the installation of the NMR pipe protector. This demonstrated that the red rust deterioration of the water supply pipes in this condominium had been completely prevented. Although the NMR pipe protector cannot prevent corrosion on the outside of the pipes, slight external corrosion was observed. However, by preventing external corrosion with anti-rust coatings, both the exterior and interior can be preserved. *Images and inspection results are quoted from a report by a certain industrial inspection agency. [Used Equipment, etc.] X-ray device: Torec Co., Ltd. RIX200-MC Digital image processing system: Fujifilm Co., Ltd. FCR AC-7HR

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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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[Special Feature on Preventing Red Rust in Piping] Preventing Water Leakage in Hot Water Pipes at Whittington Hospital, UK

Proving the rust prevention and prolongation effect of the piping by converting red rust to black rust in the hot water supply piping of Whittington Hospital in the UK.

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.

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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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[NMR Pipe Protector Verification Results] Kawanishi City Kushi Elementary School

Proven rust prevention effect in water quality test one week after installation!

This property is a 29-year-old building that originally used galvanized steel pipes (SGP) for its plumbing at the time of completion, but over the years, it has been updated to use vinyl-lined steel pipes (VLP). However, due to the building's structure, the plumbing inside the framework remained galvanized steel pipes (SGP), which led to the occurrence of red water due to corrosion. To address the red water issue in the water supply pipes and to protect and extend the life of the plumbing, NMR Pipe Protectors were installed. The NMR Pipe Protector costs less than one-tenth of traditional plumbing renovation work and can rehabilitate the pipes by converting red rust into black rust without allowing it to flow out. In water quality tests conducted before the installation of the NMR Pipe Protector, the iron ion concentration was 0.3 mg/l. However, about five weeks after the installation of the NMR Pipe Protector, this concentration dropped to 0.01 mg/l, which is one-thirtieth of the original level, effectively resolving the red water issue. Additionally, an endoscopic examination revealed that the rate of blockage due to red rust in the pipes improved by more than 10% after one year and three months. These results confirm that the rust prevention effect of the NMR Pipe Protector and the rehabilitation effect of converting red rust to black rust continue to be effective.

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We can significantly reduce costs for the renewal of water supply pipes and air conditioning ducts.

Pipelines that have been in use for over 25 years pose a risk of leakage!

Piping deterioration measures are shifting from "replacement" to "extension of life." The NMR Pipe Protector demonstrates a life extension effect greater than that of piping replacement at one-tenth the cost. It has numerous implementation records both domestically and internationally, converting existing red rust into passive black rust and extending the piping's lifespan to that of the building. ◆ Features and Benefits - Long-term extension of water supply and air conditioning piping is possible at about one-tenth the cost of piping replacement work. - Early installation reduces the cleaning costs of drainage pipes. - No need for water outage work during installation. - Numerous verification data: Prevents red rust in galvanized steel pipes with a lifespan of 20 years in buildings that are 60 years old (e.g., Teigeki Building, Yaesu Entrance Hall, famous bookstore building in Shinjuku, Liberal Democratic Party Hall). ◆ Implementation Records (partial excerpt) [United Kingdom] Buckingham Palace, BBC, Houses of Parliament, Cambridge University Hospital, etc. [Japan] Japanese Red Cross Hospital, famous hotels and department stores, and many others.

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[Case Study of Dipole] Koi Castle Development Co., Ltd.

Affordable solutions for red rust prevention in building plumbing! Introducing case studies of Dipole.

This is a case study of Koijokaihatsu Co., Ltd., which has been engaged in the real estate business in Hiroshima Prefecture for 40 years. We installed a "DIPOLE" in a building that includes three tenant shops, an office, and a residence, all of which are 18 years old. Previously, when red rust appeared in the pipes, we addressed it by using a water purifier from another company. The estimate for treating the red rust in the pipes was 820,000 yen, but by installing the DIPOLE, the red rust changed to black rust, allowing us to manage the piping issues at a much lower cost. We received a commitment to focus on contributing to environmental improvement in Hiroshima with DIPOLE and to expand our business in the future. [Case Study] ■ Model Used: DIPOLE 20A *For more details, please refer to the PDF document or feel free to contact us.

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Pipe anti-corrosion: Yokohama City Waterworks Bureau conducts effectiveness verification of NMR pipe protectors (2)

The Yokohama City Waterworks Bureau has verified the effectiveness of the "NMR Pipe Protector" in preventing the decrease of residual chlorine concentration in water distribution pipes.

The Yokohama City Waterworks Bureau confirmed an increase in residual chlorine concentration to prevent red rust and the associated reduction of disinfectant chlorine in the water supply pipe at the Tsurumi public office. Therefore, starting from November 5, 2012, a demonstration test was conducted using the water distribution pipe (100A) in the Hazawa area to prevent the decrease in residual chlorine concentration. During six measurements conducted from September 26 to October 30, before the installation of the NMR pipe protector, the residual chlorine concentration at the planned installation site (Point A) averaged 0.55 mg/L (with Point A's residual chlorine concentration set at 100%), while 50 meters downstream (Point B) averaged 0.41 mg/L (a reduction rate of 25.45%), and at the farthest point, 125 meters away (Point C), it averaged 0.23 mg/L (a reduction rate of 58.18%), indicating a decrease due to the red rust occurring in the piping. Subsequently, on November 5, the NMR pipe protector was installed, and after more than three months, during three measurements from February 19 to March 22, the residual chlorine concentration at the installation site (Point A) averaged 0.61 mg/L, while at 50 meters downstream (Point B) the average for the same three measurements was 0.61 mg/L (a reduction rate of 0%), showing that the decrease was mostly prevented. Even at the farthest point, 125 meters away (Point C), the average for the same three measurements was 0.55 mg/L (a reduction rate of 9.84%), significantly improving the reduction rate.

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Essential Plumbing Basics and Solutions for Red Rust Troubles That Beginners Can Easily Understand

Replace everything when it gets old? You’ll miss out if you don’t know! Gentle management methods for piping and the reasons behind them. Rust prevention technology that eliminates the need for pipe replacement!

<Aren't you misunderstanding something?> - There won't be any red water, so it should be fine... - If it's VLP pipes or anti-corrosion cores, they won't rust, so it's okay... - For now, we're cleaning the pipes, so it should be alright... - If they get old, we'll just have to replace everything, right... =Knowing will definitely benefit you= - Examples of red rust problems caused by piping as seen in images - What is "black rust" that completely solves the red rust issue? - The chemical change "reduction" that transforms red rust into black rust - Pipe-friendly management methods and the reasons behind them *You can download the materials for free. *Please feel free to contact us first.

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