Hays Fluid Controls manufactures Automatic Flow Control Valves, which operate over a wide range of differential pressures. The Mesurflo® is the Gold Standard in the Commercial HVAC industry. Hays uses the Mesurflo® technology in Stainless Steel Hose Kits for water source heat pumps as well as Coil Piping Packages for fan coils, VAV boxes, Air Handlers and more.
