Vakuumbehandlungsanlage und Ventilanordnung.

摘要

Vacuum treatment apparatus including at least two chambers that are linked by a transit opening. A valve body pivotally linked within the opening pivots around a pivot axis that is disposed transversely in the opening. A drive for pivoting the valve body around the pivot axis also provided. The valve body has at least one workpiece carrier to be transported by pivoting the valve body around the pivot axis between the two chambers. An expandable seal arrangement is provided around the opening. The seal arrangement is expandable by pressure of a pressurizing medium, so as to seal the body against the opening in dependency of the pressure of the pressurizing medium.