PURAD ultra-pure piping systems are designed for high-purity media applications up to outside diameters of DN/OD 400 mm. What applications are high-purity piping systems used for? Ultra-pure water systems in the microelectronics industry (semiconductor and PCB manufacturing), pure and process water applications in the life sciences industry (pharmaceuticals and biotechnology), the food and beverage industry, dairies, and cooling water systems in data centers are among the areas of application.