How does air pressure control valve work?

An air pressure control valve regulates the flow of compressed air in a system by responding to changes in air pressure. It typically consists of a diaphragm that moves in response to pressure variations, opening or closing the valve to maintain a desired pressure level. When the pressure exceeds a set point, the valve closes to prevent further airflow, and when it drops below a certain level, the valve opens to allow more air in. This automatic adjustment helps maintain consistent pressure for efficient system operation.