What device is used to control the underfeeding and overshooting stream problems in fountains?

The automatic stream regulator valve is designed to maintain a consistent water flow in fountains, automatically adjusting for changes in pressure within the system. This capability is crucial for addressing issues such as underfeeding, which can lead to insufficient water flow, and overshooting, where too much water is expelled, potentially causing splashes or overflow.

By maintaining the optimal water pressure and flow rate, the automatic stream regulator ensures that the fountain operates efficiently and effectively, providing a stable and visually appealing water display. This automatic adjustment minimizes the need for manual intervention, which can be cumbersome and less efficient.

Other devices, like the adjustable stream valve or manual pressure regulator valve, may help control flow but lack the automation and precision needed to dynamically handle the variations that can cause underfeeding or overshooting problems. The splash guard primarily prevents water from escaping the designated area and does not regulate flow. Thus, the automatic stream regulator valve stands out as the most effective solution for the specific challenges presented in fountain operation.