The Rotary joints are functional as the rotary union as well as rotary sealing devices. They are used to connect the rotating equipment to fixed piping for the effortless transferal of water, thermal oil, steam, coolant, water, thermal oil, air, and other media. These are made to transfer the fluid from the stationary supply into rotating machinery.  The said joints are made to fulfill several requirements. Rotary joints are available with recent technological advances and function as the highly reliable components for several space applications. They have assorted advantages such as long life, unlimited rotation, excellent RF performance, low torque and high reliability.