caption: The image shows a drawing of a centrifugal pump, which is a type of valve used to control the flow of liquids or gases in a system. It has a cylindrical shape with a handle on the side and a spout at the top. The valve is connected to a series of pipes and valves, which are connected to the body of the pump. The drawing also shows the various components of the system, such as the pistons, valves, and other components.