QCN02M3-B is CENO new customized pneumatic rotary union which can transfer two kinds of pneumatic air and vacuum simultaneously. CENO single channel rotary union series, can meet various industrial requirements in China or overseas. Medium Pneumatic or hydraulic as water, steam, oil, air, vacuum or coolant etc. Connect method can be choose as different application or working environment, rotary unions’ sealing surface and sealing rubber rings made by special materials to ensure preservative, long service life and no pool leakage. For more information about CENO slip rings, please contact CENO expert team.