Kosen Valve Co., Ltd. is a specialized valve manufacturer that integrates scientific research, product development, testing, manufacturing, sales, and after-sales service. Headquartered in Oubei, Zhejiang, a well-known valve manufacturing base in China, our company occupies a land area of 6,000 m2 and is equipped with advanced valve machining and production equipment sourced from around the world. We offer a full range of industrial valve products, including ball valves, gate valves, globe valves, check valves, plug valves, butterfly valves, and pipe strainers. These products are manufactured using a wide variety of materials such as carbon steel, stainless steel, Cr-Mo steel, cryogenic steel, Hastelloy C, Monel, duplex steel and high-nickel alloys.
Our valves are available in sizes ranging from 1/2 Inch to 40 Inch, with pressure ratings from Class 150 LB to 2500 LB, and are capable of operating in temperatures from -196°C to 570°C. We adhere to a broad range of international standards, including national standards from China, as well as American, Russian, German, British, and Japanese standards. KOSEN products are widely applied in industries such as petroleum, chemical processing, electric power, natural gas, coal chemical, aerospace, metallurgy, and pulp and paper. Our commitment to quality, innovation, and customer satisfaction ensures that our valves deliver reliable performance even in the most demanding environments.
