Reversible actuator for generating rotational motions from 0 to 90°, mounting directly on butterfly valves BVG, BVA, BVH through fixing set (see accessories), confirm of position by position indicator with external reading, micro position infinitely adjustable and feedback potentiometer (optional for IC 20), IC 20..E: feedback signal of 4-20 mA, switch from manual-automatic function, cycle time: 7,5-60 s, three-point or continuous control, IP 65 protection.