[Case Study] Welded Pipe Fittings Made of Stainless Steel for General Piping in Hydroelectric Power Plants
You have adopted welded pipe fittings made of stainless steel with excellent corrosion resistance.
The river water around the Yonago River No. 1 Power Plant in Suzaka City, Nagano Prefecture, has a strong acidity with a pH of 3.23, making it unsuitable for agricultural use and as a habitat for fish. However, in order to effectively utilize resources and contribute to the community while ensuring environmental conservation through profit return, the establishment of a hydroelectric power plant was initiated. In this context, we were approached through the Ipros site, and we had the opportunity to visit the site. We had detailed discussions to propose products that our company could assist with. As a result, we were evaluated positively for our extensive delivery track record to power plants, quality and inspection systems, and our ability to create documentation, leading to our adoption. The welded pipe fittings we supplied this time are made of stainless steel, model 90-45EL, material SUS304W, sizes 600A and 400A, with a thickness of S10S. We believe that stainless steel, which is highly resistant to corrosion, is essential for the river water with strong acidity used in hydroelectric power plants. In this way, Benkan Kiko's welded pipe fittings are used in various places.
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I visited the construction site of the Yonagigawa No. 1 Power Plant. The location is Suwa City, Nagano Prefecture. This was my first time seeing the actual site, and I was overwhelmed by the power of water. Nagano Prefecture is surrounded by mountains and rich in natural resources, and they are focusing on the development of small hydropower plants utilizing the terrain and rivers. Additionally, the project development is being carried out by a consortium of local Shinshu University and companies, making it a highly community-contributing and environmentally friendly renewable energy development model. Thank you to Nagano Energy Development Co., Ltd. for your cooperation. For more details, visit the website: www.nagano-energy.com
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We have a wide range of piping delivery achievements in areas such as plant piping, sanitary piping (water supply, hot water, drainage, etc.), air conditioning piping (cooling water, chilled water, hot water, cold water, etc.), steam piping, and fire protection piping.
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Yonogawa No. 1 Power Station In order to construct the Yonogawa No. 1 Power Station, three companies based in Nagano Prefecture contributed capital, leading to the establishment of "Nagano Energy Development Co., Ltd." in 2017. Utilizing the flow of the Yonogawa River, which is an effective natural resource in the region, along with the local terrain, plans are underway to install a small hydropower station that leverages the technological potential of local companies and promotes local production for local consumption.
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From residential water supply and hot water piping to massive pipelines in large-scale plants, piping that supports daily life is spread all over the world. Benkan Kiko Co., Ltd. is involved in the manufacturing of welded pipe fittings, which are essential piping components. We provide optimal products tailored to the piping environment (design, usage conditions, etc.) and construction circumstances, not only for general building water supply and hot water piping but also for power plants, gas plants, refineries, oil and chemical plants, shipbuilding, and more, where strict quality standards are required.