... of combine slip ring,such as FORJ(Fiber optic rotary joint),fluid rotary joints,encoder,etc.Those parts can be fixed ... singles & energy.simple, compact design. A)Feature of Fluid rotary joints -- Water.compressed air.hydraulic fluid can be carried! ... Through-Bores Slip ring C)Application --Rotary index tables, test equipment --Robotics,process equipment and rotary sensors. --liquid filling machine -- ...