Air separation units are widely used in various industries, such as oil and gas, chemical, papermaking, metallurgy, etc. The main products of the ASU are oxygen and nitrogen. With the rapid development of metallurgy, chemical and coal chemical industries, while requiring the development of air separation equipment in the direction of larger scale, it also puts forward new requirements for the technical development of supporting equipment. With the continuous large-scale scale of domestic air separation equipment, new technical requirements are constantly put forward for supporting valves. Pfeite is able to provide a complete range of valve solutions for the air separation industry.