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ROTARY UNION ® transfers media (water, steam, air, oil, hydraulic fluid, etc) from a stationary source to rotating machinery, such as a drum or an indexing table. They are used in process industries such as; paper, printing, rubber and plastics, textile and chemical. Rotary Unions are also used on cranes, machine tools and many other applications. Duff-Norton Rotary Unions are used to provide heating or cooling media like steam, hot oil, water or coolant to control the surface temperature of a drum or roll, to transfer air or hydraulic fluid to moving components or to add fluids to mixers while in motion. Rotary unions, rotary joints and rotating joints ranging up to 750 psi and up to 5,000 RPM are available.
Rotary Union: Application in the print industry
Rotary Union: Application
Rotary Union: Application in the food processing industry

Ink-Feed Rolls, Ink Vibrator Rolls, Chill Rolls, Unwind Stands

Banbury Mixers, Extrusion Machines, Tubers, Calendars

Run Out Tables, Benders, Sections, Reduction Mills, Un-Coilers, Re-Coilers

Breaker Rolls, Slashers, Dry Can Ranges, Singers, Embossers

Banbury Mixers, Warming Mills, Feed Mills, Sizing Mills, Custom Tire Processing Machines

Extrusion Machines, Polishing Mills, Re-Winders, Dicers, Scrap Choppers, Scrap Recyclers

Cereal Processing Flaking Mills, Shredders, Puffers, Cookers, Sugar Crystallizers