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Water piping - List of Manufacturers, Suppliers, Companies and Products

Water piping Product List

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[Information] Chiller Handbook - Regarding Pipe Sizes and Flow Rate Guidelines - / Apiste

[Information] Chiller Handbook - Regarding Pipe Sizes and Flow Rate Guidelines - / Apiste

Information on the pipe sizes and flow rate guidelines used when circulating cooling water is provided!

■Pipe Nominal Diameter, Commonly Known Are you aware that the nominal diameter of a pipe is defined by its pipe diameter? There are three types of nominal diameters: A designation, B designation, and commonly known. The nominal diameter differs depending on whether it is based on "millimeters" or "inches." ■Guideline for Flow Rate in Pipes The maximum flow rate is determined by the pipe diameter. However, this is merely a guideline, and depending on the conditions, there may be excessive pressure loss or a decrease in the durability of the pipe itself. For more details, please refer to the PDF document or feel free to contact us.

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  • Chiller

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Commercial facilities within the housing complex, air conditioning chilled and hot water piping.

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 the corrosion within the pipes has progressed significantly, highlighting the need 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 the results of regular mass analysis of the amount of 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 reached 91.7% after 45 months, proving the anti-corrosion 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.

  • Piping Materials

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

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

Introducing a case of preventing water leaks and extending service life by preventing red rust in water supply pipes! The "NMR Pipe Protector," a device 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 'NMR Pipe Protector' was introduced into the water supply piping. The iron content in the water that had been stagnant overnight was 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, a 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 to below 0.03 mg/L, confirming the effectiveness of red rust prevention. As of 2019, the 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.

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