AC, BC Air Soource Treatment Unit Air source treatment unit includes filter, relief-pressure valve, filter relief-pressure valve, and oil sprayer, or their combined dyad or triplet. It is in standard modular design and can freely separate and combine. The product is in reasonable design and easy to adjust. It can meet all requirements of pneumatic system. Filter adopts novel vane design with high division effi-ciency and differential pressure discharge device. Relief-pressure valve adopts balanced pressure regu-lating structure with the advantages of stable pressure, high precision, and quick reaction. Oil sprayer is an element that can provide fog lubrica-tion in pneumatic system, with novel design and easyadjustment. Adapter caliber: G1/8"~G3/8" Working pressure:0.05~0.85Mpa Applicable temperature:-5~60°C