Ningjin Huamei Machinery Co., Ltd.is a professional manufacturer of soft seat, metal seat and fire-safe seat high-performance butterfly valves, our unique seat designs are equal to Flowseal and Bray. Under an ISO 9001 Quality Assurance Program, it assures each valve we produce meets or exceeds your application requirements. HUAMEI high performance butterfly valves are available in sizes from 2" - 60" in ANSI/ASME/DIN standards and are available with a diverse range of manual andactuated options. Configurations are available for harsh conditions as well as applications requiring nominal pressure and temperature ratings.