This is what you must keep in mind! Key points for selecting a ball valve.
Resolve the uncertainty of 'which one should I choose?'! This is an explanatory document that summarizes the considerations of usage environment, materials, and specifications in an easy-to-understand format.
This is an introductory white paper organized in an easy-to-understand manner for those handling ball valves for the first time, outlining the basic points for selection. It carefully summarizes the differences in structure, considerations for materials and pressure resistance, and common issues that can arise from selection mistakes, addressing points that can be confusing on-site. It provides content that can alleviate concerns such as "I don't know which one to choose" and "It's difficult to make a judgment based only on the specifications." This book is also useful for training newcomers in design and procurement, as well as for confirming basic knowledge.
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Table of Contents - Fluid - Temperature - Pressure - Connection - Diameter - Bore Diameter
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Since its establishment in 1927, Hamai has been a comprehensive valve manufacturer, offering a lineup of ball valves with excellent functionality that accommodates a wide range of fluids, pressures, and temperatures. With advanced design capabilities and outstanding manufacturing technology, we provide custom-designed high-performance valves. Additionally, we have been manufacturing genuine parts and supplying OEM products to major manufacturers for many years. Hamai's valves are produced in domestic factories, ensuring quality unique to "Made in Japan" and attentive service.










































