C-Aire’s check valves are made from premium copper. A check valve allows air to flow through your air compressor in one direction and prevents compressed air from flowing back into it, helping compressors to keep certain parts pressurized and others depressurized.
Models:
Part # 140-5050: 1/2″ NPT x 1/2″ Compression
Part # 140-7575: 3/4″ NPT x 3/4″ Compression