This Digital Electropneumatic Positioner ECOCENT type features a positioning system used for single acting actuators. It is also provided with wear-free detection of the valve stroke. This electronic pneumatic type is constructed for measuring, control and regulation as part of the automation process. These type of valves can be attached centrally and/or sideways, depending on that type of electropneumatic positioner used. The ECOCENT type of valve is attached centrally on the processed valve. This valve is not available with position feedback. but it is provided with a close-tight function.