When it comes to control valves the one that is most in demand today are the valves with hydraulic controls. There are many advantages of investing in these kinds of valves. As the name suggests these control valves regulate the fluid flow so that the pressure is in the moderate level. The best part about hydraulic valves is that they don't just operate in a way to stabilize the flow of the fluid in the outward direction but also the other way round. They keep a check of the flow that is coming in from the opposite direction and looks into the pressure from both the ends.