At Benkan Kiko, we can handle the materials and challenging thick-walled plastic processing required for thermal power plants!
At Benkan Kiko, we manufacture large diameter seamless pipe fittings connected to seamless steel pipes with an outer diameter exceeding 16 inches, utilizing our long-established plastic processing technology and quality assurance system. We can also accommodate various materials, including low alloy, high alloy, high strength steel, and stainless steel.
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basic information
Power demand is significantly increasing not only in major countries but also in developing countries due to their remarkable development. Among various energy sources, thermal power generation is attracting global attention for Japan's advanced technological capabilities. Benkan Kiko, as a behind-the-scenes supporter, continues to supply welded pipe joints tailored to various applications, including main steam pipes, high-pressure reheat steam pipes, low-pressure reheat steam pipes, and turbine bypass pipes, while responding to diverse customer needs. The photo shows products delivered to a thermal power plant in Taiwan (800MW), manufactured according to ASME standards. One of the materials used is "B31 CASE183," which has a high chromium (Cr) content and is enriched with trace elements such as tungsten (W) and boron (B), making it an extremely hard material that remains unaffected even at high temperatures (above 500°C). Due to this property, the ease of plastic processing (bendability) is inversely proportional when manufacturing elbows. At Benkan Kiko, we will continue to meet all needs with world-class plastic processing and heat treatment technologies that can accommodate such characteristics, contributing to the world.
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Applications/Examples of results
At Benkan Kiko, we have a track record of supplying to various fields including thermal and nuclear power plants, petrochemical plants, LNG plants, gas pipelines and stations, shipbuilding plants, and more. This time, we introduced some of our large-diameter seamless products for thermal power generation, but we can also accommodate sizes exceeding 28 inches in outer diameter and wall thicknesses over 100 mm. Additionally, our welding technology is of a high level, allowing us to conduct hydrostatic tests at Benkan Kiko and deliver directly to the site after performing simple prefabrication, thereby helping our customers reduce costs.
Detailed information
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It is a thick-walled elbow with a neck at the end. The thickness is 70mm, and it has necks of different lengths on both ends.
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Depending on the customer's piping design, there may be angles that exceed 90°.
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For installation in the boiler of a thermal power plant, both long and short bending radii are used.
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Company information
From residential water supply and hot water piping to massive pipelines in large-scale plants, piping that supports our daily lives is spread throughout the world. Benkan Kiko Co., Ltd. is involved in the manufacturing of welded pipe fittings, which are essential components of this piping. We provide optimal products tailored to the piping environment (design and usage conditions, etc.) and construction situations, 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.