Piping prefab and welded structures

basic information

A welded pipe fitting is a product used to extend, change the direction, branch, or change the diameter of piping materials such as pipes by joining them together through welding after delivery to the customer. However, when it comes to high-spec piping that is subject to regulations (such as the Electric Utility Industry Law and the Gas Utility Industry Law), managing everything from material procurement, welding work, quality inspection, to the preparation of various documents is not easy. Furthermore, when welding is done on-site, it is not uncommon for the working environment to be unsuitable or for there to be no equipment to verify the quality of the welds. In such situations, we propose "prefabricated piping" and "welded structures" to our customers. Prefabricated piping requires extensive management, including the procurement of welded pipe fittings and pipes, construction methods for welding, quality inspections, and application processes. If it involves regulated piping, even stricter management is necessary. In contrast, if you request "prefabricated piping" and "welded structures" from Benkan Kiko, which has abundant experience in delivering regulated products and is well-versed in their specifications and inspection guidelines, it becomes possible to centralize that management. For customers, this can lead to significant benefits through improved operational efficiency and cost reduction.

Price range

Delivery Time

Applications/Examples of results

For example, when assembling piping according to the Electric Utility Industry Law, the welding work between components must be carried out using welding methods that comply with the Electric Utility Industry Law. When manufacturing large-diameter pipes and fittings, construction methods in accordance with the Electric Utility Industry Law are also required, and it is necessary to place orders with contractors that have obtained these construction methods. However, if it is possible to entrust pipe and fitting manufacturing and prefabrication work to a single company, it becomes possible to centralize all necessary regulatory-related planning documents, inspection applications, and management and inquiry contact points. Additionally, it is possible to reduce the number of pressure tests required by regulations, which can also lead to cost savings.

Detailed information

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  Steam manifold for geothermal power plants with protective bolts for moisture-retaining nuts after painting. [Case Study] Steam manifold for geothermal power plants http://benkankikoh.com/blog/2016/07/04/case-study

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  Header pipe This is a prefabricated header pipe for geothermal power plants. The longitudinal welding of the pipe is also carried out by Benkan Kiko in accordance with the welding construction methods of the Electric Utility Industry Law.

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  Short pipe with reducer TEE This is a prefabricated product for electric utility companies. Even the short pipe sections that are difficult to procure due to electrical construction methods can be manufactured in-house by Benkan Kiko to meet your needs.

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  Bar-sleeved TEE This is designed for gas companies and is equipped with a bar for guiding sleeve pipes and pipeline pigs. A pipeline pig is a device used primarily for cleaning by passing through the pipeline under pressure.

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  Pipe with nozzle attached TEE This is for gas companies, and the nozzle pipe is prefabricated from the branching part of the TEE. We are entrusted with the management, including special coating on both the inner and outer surfaces.