"butterfly valves" in German butterfly valves Absperrklappen Regelklappen Rauchklappen Schmetterlingsklappe Detailed translations for "butterfly valves" butterfly valves butterfly valves Absperrklappen{masculine plural} butterfly valves Regelklappen{masculine plural} butterfly valves(also: butterfly dampers) Rauchklappen{masculine plural} butterfly valves Schmetterlingsklappe{masculine plural}