Today’s Rotarex is the gas control industry’s innovation leader. When companies worldwide need products that enable new technologies and systems, they turn to them. Since Rotarex founder A.T. Schmitz began producing innovative gas cylinder valves over 90 years ago, the company has grown to become a world-leading producer of very high quality gas control products and systems. Present in over 65 countries with factories and sales offices in key locations around the world.