Automatic Recirculation Valves (ARVs) are special types of check valves used in pump protection systems to ensure a minimum flow through a centrifugal pump, even when the pump discharge flow is below a certain level. These valves are crucial in preventing pump damage that can occur when the flow drops below the minimum required value.Automatic Recirculation Valves play a critical role in maintaining the health and efficiency of centrifugal pumps, ensuring that these pumps operate within their designated operating range even under varying flow conditions. Properly functioning ARVs contribute to the longevity of pump systems and reduce the need for maintenance and repairs.