One Way and Two Way Altitude Level Control Valve

Automatic Control Valve ZW221/ZW222 has Altitude Level Control Valves that accurately control water level in a tank or reservoir based on relative pressure, without the need for floats and sensors. Standard features ease maintenance and repair to provide the lowest ownership costs.The PRV's Valve is design focused on simplifying maintenance and repair, isolation of valves allow for service and maintenance without shutting down the system.