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Valve indicator for potentially explosive environments

Sep 22, 2023

June 1, 2023 | By Gerald Ondrey

The T.VIS E-20 control top (photo) is of interest to the food and dairy industries, among others, which process highly flammable hazardous substances in the form of milk powder and sugar dust. When such powders contact oxygen, even a small amount of energy can cause ignition. The control top is an Ex-compliant status indicator for valves, a star-shaped LED that glows green when active, and yellow when inactive. Like all control tops of the T.VIS family, the new Ex-protected version has a compact design. Thanks to the T.VIS housing technology, all components feature the highest level of dust and moisture protection according to the IP6k9k standard. — GEA Group AG, Düsseldorf, Germany