Kyoei Valve Ind. Co., Ltd. – Japanese Cryogenic, LNG & Industrial Valves

Kyoei Valve Ind. Co., Ltd. develops specialized valve solutions for cryogenic, LNG, industrial gas, semiconductor, hydrogen, and advanced engineering applications. Its product range includes extended-bonnet globe valves, ball valves, emergency shutoff valves, check valves, pressure-regulating valves, and other low-temperature configurations engineered for reliable operation under demanding service conditions. Kyoei valve technology supports the safe handling and control of liquefied gases such as LNG, liquid nitrogen, oxygen, and hydrogen, including applications requiring temperatures down to approximately -196°C. Product selection is determined according to the operating fluid, pressure, temperature, connection standard, materials, flow requirements, and installation conditions. Manufacturing and inspection capabilities include welding, precision assembly, cryogenic testing, helium leak testing, pressure and seat-leak testing, non-destructive examination, and controlled-cleanliness processes for specialized applications. Nichiboku supports international customers with model identification, technical specification coordination, documentation, and export supply for replacement requirements and new industrial projects.