APPLICATIONS - This switch over board is ideally suited for pure and corrosive gases for ultra high purity applications - Dedicated to the supply of gas to analyzers and to the creation of controlled atmosphere in laboratories, control units and semi conductor plants KEY FEATURES - Semi-automatic. - Possible to manage 2 gas cylinders without any extension and a gas for purging operation. - No risk that a source flows into the other one. - Ready to install with all components pre-mounted on a board. - Using contact gauges, the switch over board can also be equipped with an alarm box to indicate the source status.