DREHMO electric valve actuators. Wherever material flows through pipelines in liquid, gas or powder form several kinds of valves are used to shut off or to regulate the rate of flow or pressure. For reliable remote operation of these valves, wether they be globe, gate, ball or butterfly valves or damper, DREHMO electromechanical actuators have been employed successfully over the world for several decades. We are member of the AUMA Group