AUMA has been manufacturing valve actuators for over 40 years and is a major supplier of electric actuators and manual operators to industry. AUMA electric actuators are capable of operating all types of quarterturn and multiturn valves. AUMA actuators are also widely used to operate dampers (louver, guillotine and diverter). Actuators can be furnished for both open/close and modulating service. Integral motor controls and control accessories are available to interface with a wide variety of plant control systems.