1/2 National Pipe Thread x 1/2 Compression Tank Check ValveThe 1 2" National Pipe Thread (NPT) x 1 2" Compression Tank Check Valve is a high performance component designed to regulate airflow and prevent backflow in compressed air systems. This valve ensures efficient air storage and system protection by allowing air to flow in one direction while preventing reverse flow, making it essential for air compressors, pneumatic systems, and pressure tanks. Specification Details TYPE NPT Compression Tank Check Valve