Offered in various sizes with up to 12 passages, rotary unions provide dual deep-groove sealed radial ball bearings, hardened and ground shafts, Teflon seals, and plating. They are offered with electrical slip ring option in 6, 12, 18, 24, 36, and 56 circuit configurations. Suitable for transfer of fluids, gasses, and electrical power, slip rings include precision ball bearings and color-coded insulated lead wires in 12, 24, 36, and 48 in. lengths.