What Are The Three Main Functions Of A Directional Control Valve? Directional control valves are the heart of hydraulic systems, but do you know their three main functions? This blog explains in simple words how they start, stop, and change fluid flow to keep machines working right. Easy to understand and practical for everyday use. Learn more about how these valves make a big difference! https://nycityus.com/view/what-are-the-three-main-functions-of-a-directional-control-valve