What is the function of a valve in a piping system?

The primary function of a valve in a piping system is to control the flow and pressure of fluids. Valves play a critical role in managing the movement of liquids and gases through pipes. By opening, closing, or partially obstructing the flow path, valves can regulate the amount of fluid entering or exiting a system.

In addition to flow regulation, valves also influence the pressure within the piping system. By restricting or allowing fluid passage, they can help maintain desired operational pressure levels, which is essential for the efficient functioning of the entire system. This control is vital for ensuring safety and efficiency in various applications, from industrial processes to residential plumbing.

The other options, while related to plumbing and piping systems, do not capture the core purpose of a valve. Structural support is provided by beams, pipes, and supports, while heat management typically involves other systems such as radiators or heat exchangers. Filtering out impurities is the role of filters and strainers, not valves. Thus, the function of controlling flow and pressure encapsulates the essential role of valves in any piping arrangement.