Features GOOD FILTERING The structure design of the upper and lower filter screens with large flow holes can effectively prevent blockages and facilitate sewage drainage. Easy to adjust: automatic drain valve, turn the button to adjust the drain speed, and brass button to adjust the frequency of automatic drainage. Main purpose: the drain valve can be used in compressed air equipment and lines during the starting process to drain the coolant generated inside in time. ALUMINIUM ALLOY The drain valve adopts an aluminum alloy housing, which is wear-resistant and corrosion resistant, and will not rust easily in wet environment. STANDARD SIZE The automatic drain valve has a standard inlet pipe diameter of 1/2" NPT, stable connection, and working pressure range of 0-16 bar. Specification: Item Type:Automatic Drain Valve Applicable medium: various compressed air. Operating temperature: 0-80℃ Operating pressure: 0-16 bar. Inlet Pipe Diameter:1/2" NPT Drain connection pipe: approx. 8 mm / 0.3 inches. Scope of application: air compressor, air tank, dryer, filter, air compression line, etc Package list: 1 x automatic drain valve, 1 x interface connection Package List 1 x Automatic Drain Valve 1 x Interface Fitting