Measures to prevent water leakage from pipes - List of Manufacturers, Suppliers, Companies and Products

Leakage prevention measures for the air conditioning piping at Hotel #M.

Case study of the introduction of NMR pipe protectors into hotel water supply piping.

At Hotel #M, 21 years after its construction, the galvanized steel pipes (SGP) for the air conditioning chilled and hot water system were experiencing significant red rust deterioration, with a risk of leakage at the pipe joints. Therefore, a red rust prevention pipe longevity device called the "NMR Pipe Protector" was installed. Before the installation of the NMR Pipe Protector, a sample of the circulating air conditioning chilled and hot water was taken from the hotel’s piping, revealing that the water was brown due to red rust in the pipes, with a total iron concentration of 28 mg/l, indicating severe red rust corrosion within the piping. Two weeks after the installation of the NMR Pipe Protector, a water sample taken under the same conditions showed that the water color had become slightly transparent, and the total iron concentration had significantly decreased to 4.0 mg/l. A water sample taken six weeks after installation showed that the water color had become almost transparent, with the total iron concentration further reduced to 1.6 mg/l, proving that the progression of red rust within the pipes had completely stopped, and the existing red rust had transformed into an inert black rust that does not dissolve in water, with a volume reduced to one-tenth. At Hotel #M, it has been verified that if the use of the NMR Pipe Protector continues, all red rust in the air conditioning chilled and hot water pipes will change to black rust, and the costs will be less than one-fifth of the pipe replacement work, allowing the pipes to be extended for the lifespan of the building. Naturally, leakage has been completely prevented thereafter.

Company：日本システム企画東京本社　
Price：Other

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Leakage prevention measures for the air conditioning piping at Hotel #T.

Case study of the introduction of NMR pipe protectors into hotel air conditioning piping.

At Hotel #T, when it was 29 years old, the red rust deterioration in the galvanized steel pipes (SGP) used for air conditioning chilled and hot water piping was very advanced, and leaks were occurring at the joints. Therefore, a red rust prevention piping longevity device called the "NMR Pipe Protector" was installed. Before the installation of the NMR Pipe Protector, a sample of the chilled and hot water circulating in the pipes was taken, and the color of the water was brownish due to the red rust inside the pipes, with a total iron content of 29 mg/l, indicating that the red rust corrosion in the pipes was very advanced. Two weeks after the installation of the NMR Pipe Protector, a water sample taken under the same conditions showed that the water was clear, and the total iron content had significantly decreased to 0.2 mg/l. Additionally, a water sample taken four weeks after installation under the same conditions also showed a total iron content of 0.2 mg/l, confirming that the red rust deterioration had been completely prevented, and the red rust inside the pipes had transformed into black rust, which does not dissolve in water and has a volume one-tenth that of the red rust. At Hotel #T, it has been verified that if the use of the NMR Pipe Protector continues, all red rust in the air conditioning chilled and hot water pipes will change to black rust, and the cost will be less than one-fifth of the cost of pipe replacement work, allowing the pipes to be extended for the lifespan of the building. Naturally, leaks have been completely prevented thereafter.

Company：日本システム企画東京本社　
Price：Other

Water treatment equipment

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Leakage prevention measures for the air conditioning piping at Hotel #P.

Case study on the introduction of NMR pipe protectors for preventing red rust and extending the lifespan of hotel air conditioning piping.

At a certain hotel, when it was 40 years old, the deterioration of red rust in the air conditioning chilled and hot water piping made of galvanized steel pipes (SGP) was very advanced, and leaks were occurring at the joints. Therefore, a red rust prevention piping longevity device called "NMR Pipe Protector" was installed. Before the installation of the NMR Pipe Protector, the amount of black rust in the red rust within the hotel's air conditioning chilled and hot water piping was 5.7%. However, six weeks after installation, the amount of black rust increased to 70.8%, demonstrating a relative increase of 1242.1%, proving that the red rust occurring in the air conditioning chilled and hot water piping was reduced to black rust. If the use of the NMR Pipe Protector continues in the future, all red rust in the air conditioning chilled and hot water piping will be reduced to inert black rust with a volume of 1/10, and as long as external corrosion does not occur, leaks from the air conditioning chilled and hot water piping will be prevented, extending the lifespan of the building. Naturally, the replacement of the air conditioning chilled and hot water piping will no longer be necessary.

Company：日本システム企画東京本社　
Price：Other

Water treatment equipment

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Leakage prevention measures for the hot water supply piping at Hotel Toyokaku.

Case study of introducing NMR pipe protectors for preventing red rust and extending the lifespan of hotel hot water piping.

Hotel Toyokankaku is a 42-year-old building, and due to the use of galvanized steel pipes (SGP) for the hot water supply piping, issues such as leaks occurred, leading to frequent partial updates of the piping. However, there was still a serious issue with red water in the hot water supply piping in the guest room bathrooms, so we installed the rust prevention piping longevity device "NMR Pipe Protector." Before the installation of the NMR Pipe Protector, the iron ion concentration in the circulating hot water was high at 4.3 mg/l, but four weeks after installation, the iron ion concentration in the hot water significantly decreased to 1.6 mg/l, and further decreased to 0.27 mg/l eight weeks after installation, completely eliminating the red water. From these results, it was demonstrated that the NMR Pipe Protector converted the red rust in the hot water piping to black rust, preventing the red rust from dissolving into the water and reducing the iron content in the hot water. It was proven that external corrosion was prevented, leaks were avoided by continuing to use the NMR Pipe Protector, and the hot water piping was extended to the lifespan of the building.