<Essential for Pipe and Building Managers> Internal Water Piping [Free Diagnosis] Now Accepting Applications!

At Cosmo Kajigaya Le Seine, a pipe rehabilitation device called "NMR Pipe Protector" was installed in 2000, 14 years after its construction, to prevent red rust deterioration of the water supply pipes. In the 10th year after installation, an inspection was conducted, confirming the transformation of red rust to black rust and that the progression of red rust deterioration had completely stopped. Now, 20 years after the installation of the NMR Pipe Protector, and 34 years after construction, there are no issues with red rust in the water supply pipes, and they remain in excellent condition.

In August 2001, 23 years after its construction, the Coop Nomura Minami Ishikiri installed a pipe rehabilitation device called the "NMR Pipe Protector." The vinyl-lined water supply pipes have a statutory useful life of 20 years, and although 20 years have passed, making it 43 years since construction, they continue to be used without any signs of red rust deterioration. A few years ago, a pipe inspection was conducted, confirming that the red rust had turned to black rust and that the deterioration of the pipes had stopped.

- DPE Factory Water Supply Piping This property, built 35 years ago, used galvanized steel pipes for the water supply piping, which led to leaks and the occurrence of red water due to red rust deterioration. A pipe diagnosis by experts indicated a lifespan of only 2 months, prompting the installation of NMR Pipe Protectors on the secondary side piping of the elevated water tank. After installation, since over 800 tons of water were used daily, the rust prevention effect was quickly realized, resulting in no leaks and the red water issue was resolved within a week. Since then, until the factory closed in the summer of 2020, the water supply pipes were used for 55 years without any red rust problems. According to the "Life Cycle Cost of Buildings" supervised by the Ministry of Land, Infrastructure, Transport and Tourism, the lifespan of galvanized steel water supply pipes is 15 years, but this became an example of extending their lifespan by 40 years. The main material of the current water supply pipes is vinyl-lined steel pipes, which have less red rust deterioration, so the installation of NMR Pipe Protectors is expected to enable even longer lifespan extension.

- T Building Water Supply Piping According to the "Life Cycle Cost of Buildings" supervised by the Ministry of Land, Infrastructure, Transport and Tourism, the statutory useful life of water supply piping made of galvanized steel pipes is 15 years. However, in Tokyo's T Building, after 37 years since its construction in November 2000, there was a leak from a part of the water supply pipe, and red water occurred, prompting the installation of NMR Pipe Protectors. Since the installation of the NMR Pipe Protectors, no new leaks have occurred, and the issue of red water has been completely resolved. Now, after 20 years, the water supply pipes have been in use for 57 years since construction, extending the statutory useful life by 42 years.