"Underwater water delivery pipe WNG" can be constructed with a single long piece!
There are numerous achievements in water supply to remote islands and the intake of deep seawater. A composite structure polyethylene pipe with excellent corrosion resistance, pressure resistance, flexibility, long length, and earthquake resistance!
WNG is a composite structure polyethylene pipe that is excellent in corrosion resistance, pressure resistance, flexibility, long length, and seismic resistance, designed for transporting seawater and wastewater under conditions such as underwater water supply to remote islands, seawater intake, and underwater discharge. The installation work underwater can minimize the environmental impact on the marine environment by using an automatic burial machine. Nominal diameter: 40–250 【Features】 - The inner surface of the pipe and the outermost layer are made of polyethylene material, which is highly resistant to corrosion and salt damage, and has strong mechanical strength due to metal material reinforcement! - Since it can be manufactured and transported on-site in long lengths, joint connections on the seabed are unnecessary, allowing for reliable installation in a short construction period! - Compared to steel pipes, installation is significantly faster, and even when joints are necessary, the reliable fusion system provides peace of mind! - By utilizing an automatic burial machine equipped with an underwater water jet pump, installation at depths of around 100 meters is possible. - The polyethylene pipe has low friction resistance and minimal scale adhesion, so no time-dependent accumulation is necessary. In 2024, we carried out the replacement construction of the underwater water supply and drainage pipe from Atami City to Hatsushima. A total of 6,745 meters was constructed as a single piece without joints! The installation at a maximum depth of 103 meters is one of the deepest for underwater water supply and drainage pipes in Japan.
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basic information
Please feel free to contact your nearest sales office. Sapporo Sales Office: 011-232-8031 Sendai Sales Office: 022-227-5146 Tokyo Sales Office: 03-5610-7850 Nagoya Sales Office: 052-731-0371 Hokuriku Branch Office: 0776-43-9282 Osaka Sales Office: 06-6387-6510 Hiroshima Sales Office: 082-262-2230 Fukuoka Sales Office: 092-843-7729
Price information
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Applications/Examples of results
■Water supply piping to remote islands ■Water supply pipes crossing lake beds and rivers ■Intake pipes for the seabed, lake bed, and rivers ■Sewage transport pipes crossing the seabed, lake bed, and rivers ■Discharge pipes for purification in the seabed, lake bed, and moats
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Company information
MESCO (Mitsui Metal Engineering Co., Ltd.) is an engineering company that consistently handles everything from the planning stage of various industrial plants to project management, operational guidance, and maintenance. Utilizing its technology, it also engages in construction and product development in the materials and pipe businesses. Additionally, MESCO has a wealth of experience in overseas plant construction and leverages the comprehensive capabilities cultivated through its three businesses: engineering, pipes, and materials, to meet customer needs. Since 1969, the pipe division has been involved in the planning, design, manufacturing, and construction of piping systems primarily based on polyethylene composite pipes, while the materials sales division has been dealing with soundproofing materials and radiation shielding materials since 1982. In June 2012, these two divisions were integrated to form the "Pipe and Materials Division." We are committed to maximizing the synergy effects of this integration and striving daily to be a division trusted by our customers.
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