A positioner for a control valve is used to adjust a valve position based on the desired set point for a process variable whether it is pressure temperature or flow. There is various type of positioner control valves are there. The positioner control valve is a device used to put the valve correct position by increasing or decreasing the air load pressure on the actuator. This allow for the valve position to be compared with the position requested by the controller. The valve positioner is installed in line with the valve and actuator stem on top of the actuator or on the side of the actuator. Fixing the positioner to the actuator allows the positioner to measure the stem travel or degree of rotation and also changes position of the valve as required based on input signal from the instrument controllers. Available in various models according to the needs and specification of a regular client. Highly utilized in various application and moreover we offer this at a very affordable rate.