Piping corrosion prevention device - List of Manufacturers, Suppliers, Companies and Products

Piping corrosion prevention device Product List

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[NMR Pipe Protector Verification Results] Fenchurch Building

[NMR Pipe Protector Verification Results] Fenchurch Building

Nine days after installation, the iron concentration dramatically decreased to 0.5 mg/l! A proven case of pipe rehabilitation through the black rusting of red rust.

The hot water supply piping in this office building uses galvanized steel pipes (SGP pipes) as the piping material, and serious red water due to corrosion deterioration occurred throughout the building. According to water quality tests, the iron content in the hot water supply in the early morning was high at 5.2 mg/l, so a "NMR Pipe Protector" was installed to prevent red rust and extend the life of the hot water supply piping. In the water quality test conducted nine days after installation, the iron content dramatically decreased to 0.5 mg/l, and even 43 days after installation, the iron content remained low at 0.5 mg/l. [Effects After Installation] ■ The water quality test nine days after installation showed a dramatic decrease in iron content to 0.5 mg/l. ■ Even in the water quality test 43 days after installation, the iron content remained low at 0.5 mg/l. ■ The leaching of red rust into the water stopped, proving the rehabilitation of the piping through the black rust formation. ■ By preventing external corrosion, the piping became usable as long as the building remains standing. *For more details, please refer to the PDF document or feel free to contact us.

  • Rust Inhibitor

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[NMR Pipe Protector Verification Results] Harrods Department Store

[NMR Pipe Protector Verification Results] Harrods Department Store

The inspection 67 days after installation showed that the iron concentration decreased further to 0.022 mg/l! Demonstrating the effectiveness of rust prevention and extending the lifespan of piping.

At Harrods department store, galvanized steel pipes were used for the hot water supply system, and after 30 years, red water had occurred. To eliminate the red water from the hot water supply and to prevent the need for pipe replacement, an "NMR Pipe Protector" was installed on the primary side of the hot water header. The iron concentration in the stagnant water at night, which was 1.294 mg/l before installation, decreased to 0.058 mg/l 47 days after installation, and further dropped to 0.022 mg/l 67 days after installation, reducing to 1/58 of the initial value. [Effects After Installation] - The iron concentration in stagnant water at night decreased from 1.294 mg/l to 0.058 mg/l 47 days after installation. - 67 days after installation, the iron concentration further decreased to 0.022 mg/l, reducing to 1/58 of the initial value. - The deterioration caused by red rust from the inside has been completely eliminated. - By preventing external corrosion, it has become usable for semi-permanent duration as long as the building remains. *For more details, please refer to the PDF document or feel free to contact us.*

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[NMR Pipe Protector Verification Results] Commercial Facility #M

[NMR Pipe Protector Verification Results] Commercial Facility #M

Preventing the progression of red rust! A case where the amount of black rust in the rust increased to 48.2% after 10 months of installation.

At that time, the facility had been in operation for 43 years, and there were significant concerns about the corrosion of the cooling water piping. As a countermeasure, we adopted the "NMR Pipe Protector." Before the installation of this product, the amount of black rust in the rust was 2.0%, but after 10 months of installation, it increased to 48.2%, which is a relative increase of 2410%. The prevention of red rust progression and the rehabilitation of the piping due to black rust have been demonstrated. In the future, if all the red rust in the rust turns into black rust, this piping will not require replacement as long as external corrosion does not occur. [Introduction Overview] ■ Location: Sapporo City, Hokkaido ■ Building Overview: 43 years old, 3 basement floors, 10 above-ground floors, commercial facility ■ Installation Date: February 4, 2019 ■ Installed Piping: CT-5 system cooling tower secondary side cooling water piping (SGP pipe 200mm) ■ Number of Installations: PT-200DS × 1 unit *For more details, please refer to the PDF document or feel free to contact us.

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[NMR Pipe Protector Verification Results] Whittington Hospital, NHS, UK

[NMR Pipe Protector Verification Results] Whittington Hospital, NHS, UK

Measures to prevent red rust and leakage in hot water supply piping! Usable for 100 or even 200 years as long as the building exists!

At Whittington Hospital, galvanized steel pipes (SGP) had been used for hot water supply piping for over 30 years, resulting in the daily occurrence of dark red water and concerns about leaks. Before the installation of the "NMR Pipe Protector," the iron content in the hot water was very high at 7.33 mg/l, and the deterioration of red rust in the pipes was significantly advanced. However, after 19 days of installation, the iron content in the hot water decreased to 0.388 mg/l. After 29 days of installation, it further reduced to 0.077 mg/l, which is 1/100 of the initial value, completely preventing the deterioration of red rust. It was proven that the red rust in the pipes transformed into insoluble and passive black rust in a volume of water that is 1/10 of the original. [Effects After Installation] - After 19 days of installation, the iron content in the hot water decreased to 0.388 mg/l. - After 29 days of installation, it further reduced to 0.077 mg/l, completely preventing the deterioration of red rust. - By preventing external corrosion, this piping can be used for 100 years or even 200 years as long as the building remains. *For more details, please refer to the PDF document or feel free to contact us.*

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[NMR Pipe Protector] Effectiveness Demonstrated through X-ray Inspection | Hokkaido Condominium

[NMR Pipe Protector] Effectiveness Demonstrated through X-ray Inspection | Hokkaido Condominium

Effectiveness demonstrated by X-ray inspection of the condominium water supply pipe 19 years after the installation of the NMR pipe protector.

Nineteen years after the installation of the NMR pipe protector, in a condominium in Sapporo, Hokkaido (a 9-story building with 110 units) that was 32 years old, the condominium management association commissioned an external investigation company to conduct an inspection of the red rust deterioration state of the water supply pipe joints. Ten locations were selected within the water supply pipes (pipe diameters 25A to 65A) in the pipe space from the 1st to the 9th floor, and a non-destructive inspection of the red rust deterioration state of the joints was conducted using X-rays. As a result of the X-ray inspection, eight out of the ten locations showed no signs of red rust deterioration at the pipe joints. The other two locations had only slight traces of corrosion, which were estimated to have occurred before the installation of the NMR pipe protector. This demonstrated that the red rust deterioration of the water supply pipes in this condominium has been completely prevented. Although the NMR pipe protector cannot prevent corrosion on the outside of the pipes, slight external corrosion was observed. However, by preventing external corrosion with rust-proof paint and other measures, both the exterior and interior can be preserved. *Images and investigation results are quoted from a report by a certain industrial inspection agency. [Equipment Used] X-ray Device: Torec Co., Ltd. RIX200-MC Digital Image Processing System: Fujifilm Co., Ltd. FCR AC-7HR

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[NMR Pipe Protector Verification Results] Moseley Hospital (NHS)

[NMR Pipe Protector Verification Results] Moseley Hospital (NHS)

Prevent red rust and leaks in the hot water piping of Moseley Hospital!

Moseley Hospital has two independent hot water systems: one connected to the storage tank and the other to the hot water header, with galvanized steel pipes used in the hot water piping. Therefore, to prevent red rust corrosion and leaks occurring in both hot water systems, NMR pipe protectors were installed in the storage tank piping and the hot water header piping. Water samples were taken from the hot water piping at five locations, and the average iron content in the water was calculated. Before the installation of the NMR pipe protectors, the average value was 13.824 mg/l. After 15 weeks of installation, it dropped to 1.3882 mg/l; after 31 weeks, it was 0.4762 mg/l; and after 49 weeks, it further decreased to 0.3428 mg/l. This significant reduction demonstrates that the NMR pipe protectors prevented the formation of new red rust within the piping and reduced existing red rust to black rust, which is insoluble in water and has a volume that is one-tenth of that of red rust. It has been proven that by continuing to install NMR pipe protectors, the hot water piping will have 100% of the red rust converted to black rust, thereby extending the lifespan of the building.

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