VAT Vacuum Valves AG is a Swiss company, active internationally but with its headquarters in the municipality of Sennwald in Canton St. Gallen. VAT is a major player in the development, manufacture and sale of vacuum valves for the semiconductor and vacuum coating industries as well as for the research sector.

VAT’s products are mainly used in these areas: semiconductor and flat screen manufacturing, coating of glass and tools, metallurgy, surface analysis, high energy physics, synchrotrons, laser technology, and space travel simulation.

The biggest selection of vacuum valves, constant innovation, the highest quality standards and long-term guaranteed service make VAT the leading manufacturer of vacuum valves in the world.  View website