A structure that makes it difficult for foreign objects to clog or adhere in the fluid, and a design that reduces the load on the seat compared to a ball valve, ensuring stable valve operation.
We have evaluation test data on the leak-proof performance of sheets using various slurries and powders. If you are particularly troubled by sheet leaks due to solids in ball valves, please feel free to consult us. Segment ball valves are stainless steel valves with an eccentric structure that excels in sealing performance and helps reduce lifecycle costs, featuring 90-degree opening and closing. We offer manual, high-torque electric drive, and air cylinder drive options. Sizes are available up to 300A. The electric drive version includes flood prevention specifications and variable opening and closing time specifications. On August 1, 2024, the piping equipment division of Protearial Co., Ltd. started anew as Kuwana Metal Industry Co., Ltd. under the capital of Okaya & Co., Ltd. *For more details, please download the PDF or contact us.
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Our company is a young organization established on August 1, 2024, as a separate entity from Protearial Co., Ltd.'s piping equipment business. However, its roots can be traced back to Tobata Casting Co., Ltd., which was founded in 1910. When we launched our first product that same year, we cast it with the wish for "greater strength, smoother surfaces, and more beautiful curves," giving rise to the "Hyotan" mark. For over 100 years, we have continued to produce cast products under the testament of tradition and trust. Today, we manufacture and sell not only fittings and valves but also sealed diaphragm expansion tanks, semiconductor flow control devices, and cold water supply equipment. Furthermore, we take pride in our comprehensive capabilities, which improve on-site conditions through our technical expertise, support systems, and quality control measures, enabling us to meet societal needs such as efficient energy use and the realization of a safe and secure society. Although we are a young company, we cherish tradition while continuously providing new value to the industry in line with customer needs and market changes. We are committed to making efforts to meet our customers' expectations in the future, and we sincerely hope for your continued support.