The Haag + Zeissler ROTATING Series UDW-BB is a precision rotary union designed for the transfer of air and vacuum in low-speed rotary applications. It supports a maximum rotational speed of 100 rpm and a pressure capacity of up to 9 bar for air and 0 bar for vacuum operation. Engineered for smooth rotation and leak-free sealing, the UDW-BB ensures reliable performance in pneumatic systems, automation equipment, and mechanical assemblies requiring continuous airflow or vacuum transmission. Across North America, Europe, Asia, and worldwide, installation and connection configurations may possibly vary according to regional pneumatic standards and system requirements.