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Water pipingの製品一覧

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Extend the service life of the building's air conditioning chilled and hot water piping (galvanized steel pipes) by over 40 years!

Introducing a case of preventing leaks and extending the service life by preventing red rust in water supply pipes! The "NMR Pipe Protector" for preventing red rust inside pipes.

In the year 2000, at a major DPE factory that was 35 years old at the time, the pipe lifespan was diagnosed to be 2 months, and our company's 'NMR Pipe Protector' was introduced into the water supply piping. The iron content in the water that had been stagnant overnight was measured at 0.5 mg/L before the introduction, which was unsuitable for water used in DPE. However, just 6 days after the introduction of our product, the iron content in the water decreased to less than 0.05 mg/L, which is one-tenth of the previous level, due to the black rust formation from red rust. Since then, the water quality has further improved, with the iron content in the water dropping below 0.03 mg/L, confirming the effectiveness of rust prevention. As of 2019, this water quality has been maintained. Additionally, no new leaks have occurred since the introduction. [Case Study on Extending the Lifespan of Water Supply Piping] ■ Major DPE Factory in Fuchu City, Tokyo (54 years old as of 2019) *For more details, please refer to the PDF document or feel free to contact us.

  • Renovation and repair methods

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Commercial facilities within the housing complex Air conditioning chilled and hot water piping

Effect verification of red rust turning into black rust.

This facility has been in operation for 22 years, and significant corrosion has occurred within the piping, leading to the necessity for pipe replacement due to leaks. However, it was impossible to carry out water outage work because it supplies chilled and hot water to four buildings, including commercial facilities within a large-scale complex. As a countermeasure, we installed the pipe rehabilitation device "NMR Pipe Protector." After installation, there have been no occurrences of leaks, and regular mass analysis results of the black rust in the pipes have demonstrated that red rust is being prevented and pipe rehabilitation through black rust formation has been proven. The amount of black rust before the installation of the "NMR Pipe Protector" was 2.2%, which increased to 72.9% after 12 months and 91.7% after 45 months, proving the anti-rust effect within the pipes. If we continue to use the "NMR Pipe Protector" in the future, pipe replacement will not be necessary as long as external corrosion does not occur.

  • Water Treatment

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