Butterfly Valve, Check Valve, Strainer manufacturer / supplier in China, offering DN50 to DN400 2'' to 8'' SS304 Screen Wcb Carbon Steel Stainless Steel Body ANSI Flanged End High Quality Water Pump Suction Diffuser, Corrosion Resistant Y Type Strainer Ensuring Clean and Reliable Flow Control, Hydronic Balancing Valve for HVAC Systems-Pressure Independent Flow Control and so on.