[NMR Pipe Protector Verification Results] Kumamoto Red Cross Hospital
Red rust prevention device for piping "NMR Pipe Protector"
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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【Installed Piping/Number of Installations】 <Water Supply System> ■ (City Water) Secondary Water Supply Piping from Elevated Water Tank (VLP Pipe 200mm)/PT-200DS×1 unit ■ (City Water) Secondary Water Discharge Piping from Pump (VLP Pipe 125mm)/PT-125DS×1 unit ■ (City Water) Secondary Water Supply Piping from Emergency Building System Pump (VLP Pipe 125mm)/PT-125DS×1 unit ■ (Well Water) Secondary Water Supply Piping from Elevated Water Tank (VLP Pipe 200mm)/PT-200DS×1 unit ■ (Well Water) Primary Water Supply Piping from Emergency Building System Pump (VLP Pipe 100mm)/PT-100DS×1 unit ■ (Well Water) Primary Discharge Piping from Pump (VLP Pipe 100mm)/PT-100DS×1 unit <Air Conditioning Hot Water System> ■ R2 System Hot Water Header Secondary Hot Water Supply Piping (SGP Pipe 250mm)/PT-250DS×1 unit <Hot Water Supply System> ■ Secondary Hot Water Supply Piping from Storage Tank (HTLP Pipe 150mm)/PT-150DS×1 unit *For more details, please refer to the PDF document or feel free to contact us.
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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".