M04 actuator is a device used to operate the rotary mixing valves. It can be applied to all Barberi® mixing valves, 3 or 4-ways, apart from flanged mixing valves. It features a proportional 0(2)–10 V control, with 90° rotation angle.The article is equipped with integrated cable with electric supply, input signal, feedback signal, mixing valve adaptor and anti-rotation pin.