Valves are essential components of piping systems, which regulate the flow of fluids, such as water, gas, and oil. They are used to start, stop, and control the flow of fluids in a piping system. Valves come in different types, including ball valves, gate valves, globe valves, butterfly valves, and check valves, each designed for specific applications A valve is a mechanical device that controls the flow of fluids (liquids, gases, or slurries) by opening, closing, or partially obstructing various passageways through a piping system. A valve is a generic name for device with a movable feature that opens and closes the passageway in order to allow, prevent or control the flow of fluids.