Established in 1979 Yamwa Corporation today is the largest manufacturer of valves in Japan. Yamwa manufactures a wide variety of industrial-use and commercial valves using carbon steel, stainless steel, ductile iron, iron, bronze and brass. The types of valves produced by Yamwa include gate, globe, check, ball and butterfly valves. Standard sized Yamwa valves range from 1/4 inch to 12" inches in diameter. Yamwa has devoted itself exclusively to the manufacture of valves and has built up an integrated production system that is the most efficient in the world.

Casting, machining and assembly operations are automated to an unparalleled degree, and rigorous testing is conducted at each stage of the production process. Production efficiency, unsurpassed quality control and perfection in meeting customer specification are the major reasons why valves are known throughout the world for superior performance and reliability in all types of applications.

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