Our Technical Director Mr Matthew Martella explained “The Heavy Duty Rotary Floating RFS range of rotary valves has been around for over a decade now, operating in highly abrasive applications such as iron ore, alumina, cement and mineral sands handling. This is just another fine example of we always knew.”The Heavy Duty Rotary Floating RFS Series delivers unparalleled value for high wearing products and even after several years in the most difficult of product applications, it still delivers.