Description for Duff-Norton Swivels 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.
Duff-Norton Swivel: 1100 Series - Slow Rotation Duff-Norton Swivel: 1102 Series - Slow Rotation Duff-Norton Swivel: 1200 Series - Small Envelope Duff-Norton Swivel: 1300 Series - Flanged Duff-Norton Swivel: 1700 Series - High Pressure Duff-Norton Swivel: 1900 Series - High Pressure