What is a Venturi device primarily used for?

A Venturi device is primarily used for measuring water flow. It operates based on the principle of fluid dynamics, specifically the Venturi effect, which states that when a fluid flows through a constriction in a pipe, its velocity increases and the pressure decreases.

As water flows through the narrow section of the Venturi, the speed of the water increases, causing a drop in pressure that can be measured. The difference in pressure between the wider section of the pipe and the constricted section is directly related to the flow rate of the water, allowing the device to quantify how much water is passing through at a given time.

This capability makes Venturi devices critical in various applications, including irrigation systems and municipal water distribution, where monitoring flow rates is essential for efficient management of water resources. Using this device accurately gauges flow rather than other functions like pressure regulation, filtration, or water storage, aligns with its specific design and purpose.