InterApp develops, manufactures and distributes valves and valve systems for the most demanding clients, applications and industry sectors in the world that all together contribute to sustainable development, the health of people and a better environment. With a deep application know-how, we develop superior solutions for better outcomes in water treatment, desalination, semiconductor industry, chemical process, life science, oil & gas, mining, exhaust gas cleaning systems, power generation and other demanding industries. Thanks to our culture, environment and infrastructure we are able to react flexibly to customer requirements. We take responsibility from product specification to production and support our partners in creating the best process-specific solution. Together we strive for safe and efficient production processes and a sustainable future. The product range covers PTFE-lined and elastomer-lined butterfly valves, ball valves, check valves, actuators, accessories as well as complementary products. Headquartered in Rotkreuz, Switzerland, we have production sites in Switzerland, Spain and China and more than 40 distribution and sales companies worldwide. InterApp is a member of the AVK Group.