JDV Equipment, formerly the Ralph B. Carter Company, is committed to the design and fabrication of superior quality waste water and water treatment equipment. Our products include belt conveyors, shaftless screw conveyors, and shafted conveyors for conveying, fine screens, screenings compactors and grit classifiers for headworks, fabric double membrane gasholders, fabric double membrane covers, steel fixed covers and steel floating covers, rotary drum thickeners and anaerobic digestion mixing systems for anaerobic digester processes, and walking beam flocculators for both municipal and industrial applications.