Profile: Talco Inc. is in the business of manufacturing rotary unions, gun drilling unions, rotary joints, rotary valves, rotary manifolds, coolant unions, coolant inducers, swivels and swivel joints. We design and manufacture a custom rotary union or complete rotary system. Our high-speed rotary unions are used in manufacturing processes to permit the flow of heat transfer media such as steam, water, thermal and hydraulic oil or coolant from a stationary supply pipe to a moving part such as a rotating drum or cylinder.