We can respond to the special shapes of welded pipe fittings used in boiler applications with high technical skills!
It is a joint that makes you think it could be a sculpture, finished to a stunning degree. This is made by "cutting out," which means it is created by machining from forged material, not through plastic processing. Among the welded pipe joints used in boiler-related applications at thermal power plants, there are products with large and special shapes that cannot be made through plastic processing (stretching, compressing, bending, or pulling steel materials). For such requests, we manufacture by cutting from forged materials rather than using conventional plastic processing. The shapes mainly include Y-PIECE, which branches at the same angle from one direction; LATERAL, which branches at an angle like a branch from one direction; and T-PIECE, which branches in a T shape. The diameters primarily range from 400 to 800 mm, with some larger ones weighing around 10 tons. Since these products are used under extremely harsh conditions, the specifications include strict component regulations for the materials used and heat treatment conditions based on the technical standards for power generation thermal equipment. Not only do the shapes need to fit, but we also conduct UT tests on the materials, tensile tests, impact tests, hardness tests, and penetration tests on the products, and we provide the final products only after all tests are cleared.
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basic information
The joints made of forged steel used in thermal power plants serve the purpose of branching (and sometimes merging) the flow of high-pressure steam (main steam, high-temperature reheat steam, etc.) at high temperatures close to 600°C, heated in the boiler. At Benkan Kiko, we have been challenging the production of various products with the technical expertise we have cultivated over many years, making it possible to do so. We have a proven track record of producing many difficult forged products. With our diverse capabilities, we assist our customers in reducing costs for their plant piping.
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Applications/Examples of results
We have a track record of deliveries in various fields including thermal power plants, nuclear power, petrochemical plants, LNG plants, gas pipelines and stations, shipbuilding plants, and others.
Detailed information
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Y-PIECE SFVAF22A 600Ax500A 32.0T/27.0T This is a forged steel Y-PIECE for power plants.
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It is a T-PIECE. It is used in the boiler of a thermal power plant located somewhere in the country.
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It is a T-PIECE. The length on both sides is 2300mm.
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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.