Butterfly valve device with electric signal feedback

A butterfly valve device with electric signal feedback comprises a valve body and an information acquisition device, and a mounting plate is arranged above the valve body; an information acquisition device for acquiring position information of the valve clack and sending the position information of the valve clack is mounted on the mounting plate; a handle for controlling the valve clack is also arranged on the mounting plate; the handle and the valve clack can rotate synchronously. The butterfly valve device with the electric signal feedback function is simple in structure and convenient to use. The locking pin can lock the butterfly valve handle after the butterfly valve handle is arranged at a preset position, and it is ensured that the butterfly valve handle can maintain preset flow in a pipeline. Due to the arrangement of the scale marks, the device can more accurately control the flow in the pipeline through the handle; the information acquisition device can acquire the position information of the handl