The Haag + Zeissler ROTATING Series 7400 is a robust rotary union designed for the transfer of water and hydraulic oil in high-pressure, rotating industrial systems. It supports a maximum operating pressure of 160 bar for DN 8 (1/4"), DN 10 (3/8"), and DN 15 (1/2") connections, and up to 250 bar for DN 20 (3/4"), ensuring reliable fluid transfer under demanding conditions. The unit operates at rotational speeds up to 1500 rpm for DN 8 (1/4"), DN 10 (3/8"), and DN 15 (1/2"), and 1000 rpm for DN 20 (3/4"), providing smooth, leak-free performance with excellent mechanical stability. Built for durability, precision sealing, and long service life, the Series 7400 delivers dependable operation in hydraulic and cooling applications. Across North America, Europe, Asia, and worldwide, installation and connection configurations may possibly vary according to regional engineering standards and system requirements.