Automatic drain valves are designed to facilitate the discharge of moisture in compressed air. Uses of Autodrin automatic valve: Automatic discharge of moisture and water collected in the compressed air storage tank as well as automatic discharge of moisture in the compressed air transfer pipes and… Advantages of Autodrin Automatic Valve: Elimination of human resources interference, which will certainly eliminate human error. Automatic automatic valve operation: Autodrin automatic valve can be opened in a certain period of time and will remain open to a certain extent. Determining the opening time interval and also the opening time of the valves can be adjusted. For example, you can sort the valve according to your conditions and needs. Set to open every hour to one hour and stay open for 30 seconds.