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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.

Water, Air, Hydraulic Fluid

1,160 PSI


392º F

90 RPM

1/4" to 6" NPT
BSP Available

Nickel Plated Steel
Also Available in all Stainless Steel

*See performance charts for details

Features & Benefits
  • Bi-Directional Swivel - 1102 Series swivels are for applications where complete rotation is not necessary
  • Slow Rotation Applications - Designed for swiveling or slow rotation application
  • High Pressure - The 1102 will operate at pressures up to 1160 PSI
  • Superior Sealing Performance - The 1102 series has the GR Seal for Superior sealing performance
  • Multiple Configurations - Available with axial (straight through) flow, or radial flow with the addition of a 90º stainless steel elbow
  • Corrosion Resistant - Features nickel plated carbon steel construction. Stainless steel models are also available
  • Stability at Higher Speeds & Pressures - The 1102 Series offers two ball races which allow for increased pressure and speed