We are a leading international manufacturer of custom engineered high-temperature valves for the Petrochemical and Refining industries, the Iron & Steel industry, and other industrial applications.

With almost 150 years of experience and the application of the latest engineering technologies and manufacturing processes, we guarantee unique, high-quality, and specialised valves. High operating temperatures, large nominal sizes up to
6 meters - larger on request – as well as high operating frequency and very long maintenance-free operating times are IMI Z&J’s specialty.  

With our in-house engineering, IMI Z&J offers customised solutions for critical applications in the petrochemical and refining industries, such as delayed coking, FCC, ethylene, PDH / isomerisation as well as blast furnace valves for the iron and steel industry.