Which type of valve is typically used for adjusting flow in irrigation systems?

The globe valve is the preferred choice for adjusting flow in irrigation systems due to its design that allows for precise throttling and flow regulation. Unlike other valve types, the globe valve has a spherical body with an internal baffle, which provides a larger surface area for the flow path. This configuration enables it to better control the volume and speed of flow through the system.

In irrigation, where adjustments need to be made to ensure optimal water delivery to plants, the globe valve's ability to finely tune flow without causing significant turbulence or resistance is invaluable. This makes it particularly useful in systems requiring variable flow rates or specific pressure adjustments.

The other types of valves mentioned serve different purposes. While ball valves are excellent for on/off control, they do not provide the same level of flow regulation. Gate valves, similar to ball valves, are generally used for fully open or closed applications rather than constant flow adjustment. Check valves prevent backflow but do not allow for flow modulation. Thus, the globe valve stands out as the most suitable option for adjusting flow within irrigation systems.