Vacuum technology is of indispensable importance to metallurgy, preventing oxidation from occurring to metal parts while they are processed at high temperatures in furnaces. Busch vacuums and vacuum systems find application in every imaginable metallurgy process, including coating, sintering, soldering, smelting, welding and nitriding. Completely dry vacuum systems featuring COBRA dry screw vacuum pumps are dependable and economical solutions for metallurgy processes.