The Haag + Zeissler ROTATING Series MRF-UDW is a multi-passage rotary union designed for the transfer of various media—including air, non-toxic gases, vacuum, water, and hydraulic oil—through rotating components in industrial machinery. Available in 3 to 8 passage configurations, it supports a maximum operating speed of 10 rpm at 250 bar and up to 80 rpm at 50 bar, ensuring reliable and leak-free transmission under varying pressure and rotational conditions. Built for durability and precision sealing, the MRF-UDW provides long service life and consistent performance in demanding hydraulic and pneumatic systems. Across North America, Europe, Asia, and worldwide, connection options and installation parameters could potentially vary according to regional mechanical standards and system design requirements.