Miyairi Valve Mfg. Co., Ltd. manufactures and sells various valves in Japan. Its product lineup includes brass products such as LP gas cylinder valves, screw-end globe valves, filling valves, screw-end ball valves, and safety valves, as well as couplings and valves for bulk systems. The company also offers steel products including globe, Y-shaped, ball, check, strainer, safety, filling, and emergency shut-off valves, along with level indicators, manifold distribution systems, and other products. Its valves serve applications such as LP gas cylinders, LPG supplying lines, LP gas filling devices, bulk storage tanks, gas transportation, cryogenic valves for LNG, and storage tanks and piping. Incorporated in 1949, the company is headquartered in Tokyo, Japan.