Unitech produces wide range of heavy duty Industrial Valves from ductile & Cast Iron. Anti-Pollution Isolating Valve(Strainer) Backflow Preventer(Strainer) Basket Strainer(Strainer) Cast Iron Strainer(Strainer) Foot Valve With Strainer(Strainer) Inlet Filter(Strainer) Straight Flow Strainer(Strainer) Y strainer With Extension Pipe(Strainer) Y-Type Strainer(Strainer) Y-Type Stretchy Strainer(Strainer) DOWNLOAD OUR VALVES CATALOG Strainer Cataloge