What is the primary use of an altitude valve in water storage systems?

An altitude valve plays a crucial role in managing water levels within elevated storage tanks. Its primary function is to control the elevation of water by regulating the flow into and out of the tank. When the water level in the tank reaches a predetermined height, the altitude valve closes to prevent overfilling, thereby ensuring that the tank operates efficiently and maintains an optimal water level. This control mechanism is vital for preventing overflow and maintaining adequate pressure throughout the water distribution system.

While other functions may be important in a water storage system, such as measuring water levels or preventing backflow, these do not encompass the primary role of the altitude valve. Its specific design and operational purpose focus on managing the water elevation in tanks, which is essential for the overall functionality and safety of the water supply system.