Slip rings can be used in any electromechanical system that requires unrestrained, continuous rotation while transferring power or data from a stationary to a rotating structure. JARCH HY Series Pneumatic Electrical Rotary Union Support 2-24 passage way Pneumatic/Hydraulic, it can combine with power,signal,Ethernet,USB,Devicenet,Control Net,Canbus on request. It also could be mounted by shaft or optional flange mounting.Passage media types can use Air/Gas, Chemical, DI / Tap Water, Oil, Water/Glycol. The JSR-HY050-4E-2L provide 2 passage 1" hydraulic oil, combine 2~ 36 circiuts Power and singnal or Ethernet electrical slip ring.The slip ring provide a rotary flange can be install on a rotary table.