By manufacturing from seamless pipes instead of machining, we can achieve cost reduction!
In the variety of welded pipe fittings, elbows, tees, and reducers are common, but fittings that have branches on both the top and bottom, resembling a cross shape, are referred to as "crosses" due to their cross-like appearance. These are pipe fittings not specified by JIS, and most are manufactured by machining from forged materials. However, Benkan Kiko is capable of producing them using the bulging method (hydraulic forming) from seamless pipes. The machining method tends to result in heavier weights and often produces angular shapes, which can make welding on-site difficult, according to some feedback. Additionally, the machining process from a solid block requires a significant amount of material, leading to higher material costs and increased processing costs. On the other hand, manufacturing through forming from seamless pipes achieves smooth shapes, uniform wall thickness, and lighter product weights, while also enabling cost reductions. This cost advantage becomes more pronounced with high-cost materials such as stainless steel and non-ferrous metals like nickel, resulting in significant benefits. For more details, please feel free to consult our sales office.
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basic information
A cross is a symmetrical, cruciform welded pipe fitting. It is used in piping construction to branch fluid in four directions. Other methods of branching in four directions without using a cross include drilling holes on both sides of the pipe and directly welding the pipes together, or using pipe supports, etc. In these cases, the joined pipes are often of a smaller diameter than the original pipe (becoming thinner). The crosses from Benkan Kiko have the same diameter and wall thickness in all four directions, and the ends are prepared for butt welding, allowing for branching under the same conditions as the main piping. Manufacturing range: Outer diameter: 1/2 to 8B *Products outside the sizes mentioned above may also be available, so please contact our sales office for more details.
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In general, it is widely used in medium and low-pressure piping lines for petrochemicals, oil refining, air conditioning, and so on.
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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.