What is a Vacuum System? A high vacuum system is designed to remove air, gas, and contaminants from a sealed chamber to create a low-pressure environment. These systems can operate up to 0.01 Torr (10⁻² millibar pressure), which is significantly lower than atmospheric pressure. This controlled vacuum environment is necessary for sensitive industrial processes such as vacuum coating, ... https://www.tmvt.com/blog/understanding-high-vacuum-systems-basics-and-applications-across-industries/