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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basic information
"Unnecessary updates to the water supply pipes and air conditioning chilled and hot water piping." Iron oxidizes and forms red rust due to dissolved oxygen and water molecules in water. However, when electrons are supplied to the red rust, the water molecules and oxygen contained in the red rust are separated from it, transforming into a very hard black crystal that is one-tenth the volume of the red rust. Because it is black, it is called black rust, and due to its attraction to magnets, its scientific name is magnetite. This black rust belongs to the same passive state as gold, so if all the red rust in the piping is converted to black rust, the piping will no longer deteriorate from red rust internally. Therefore, if external corrosion is prevented with paint or similar materials, the lifespan of the building can be extended.
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Applications/Examples of results
"Various data on the NMR Pipe Protector, a pipe rehabilitation device used to prevent red rust deterioration in piping at many hospitals around the world." Results of the implementation effectiveness test at Maudsley Hospital, NHS UK https://www.jspkk.co.jp/jp/results/detail/uk/maudsley/ Results of the implementation effectiveness test and recommendation letter from Whittington Hospital, NHS UK (affiliated with the University of Cambridge) https://www.jspkk.co.jp/jp/results/detail/uk/whittington/ Results of the implementation effectiveness test at Hammersmith Hospital, NHS UK https://www.jspkk.co.jp/jp/results/detail/uk/hammersmith/ Results of the implementation effectiveness test at St. Thomas' Hospital, NHS UK https://www.jspkk.co.jp/jp/results/detail/uk/tomas/ Results of the implementation effectiveness test at the U.S. Navy Yokosuka Base Hospital https://www.jspkk.co.jp/jp/results/detail/jp/beikaigun/
Detailed information
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Results of the Implementation Effectiveness Trial at the NHS Maudsley Hospital in the UK
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Results of the implementation effectiveness trial and recommendation letter from the Whittington Hospital NHS in the UK (affiliated with the University of Cambridge)
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Results of the Implementation Effectiveness Trial at Hammersmith Hospital, UK NHS
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Results of the Implementation Effectiveness Trial at St. Thomas' Hospital, NHS, UK
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Results of the Implementation Effectiveness Test at the U.S. Navy Yokosuka Base Hospital
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~Extending the lifespan of old piping~ "NMR Pipe Protector" Cumulative installation record surpasses 4,400 buildings! (As of July 2025) Among them, over 3,100 buildings are condominiums. = Domestic Achievements = New Chitose Airport Domestic Terminal, JR Sapporo Station (JR Tower Building), Imperial Theatre Building (Tokyo Marunouchi), Yaesu Exit Hall, Famous Bookstore Building (Shinjuku), Hotel Toyokaku (Kyoto), Hotel Serve Shibuya, Shirakagi Care House (Saitama), Kawanishi Private Kushi Elementary School, Food Processing Factory, Major Automobile Manufacturer Factory (Fukuoka Prefecture), Kumamoto Red Cross Hospital, etc. = International Achievements = Buckingham Palace, London City Hall, British Museum, BBC, Christ's College, University of Cambridge, Royal Bank of Scotland, Harrods Department Store, Royal Garden Hotel London, UK Parliament, etc. ★ Featured in the Media "NMR Pipe Protector" ★ Selected as one of the top 10 rust prevention technologies in the world in 2020 and introduced in a U.S. magazine! Case studies and customer testimonials have been featured in many media outlets, including TV Tokyo's "World Business Satellite (WBS)", TOKYO MX's "Corporate Spirit", and specialized newspapers "Condominium Management News" and "Air Conditioning Times".