Hydraulic valves are used to contain and transfer the flow and pressure of hydraulic fluid in hydraulic power systems. The specific types of valves range from those that have simple shutoff valves to precise control valves used in motion control systems. The basic components of a hydraulic valve are its body, bonnet, disc and seat. Other types of valves have variations of these components, depending on their specific functions. Hydraulic valves are very similar to other valves in general purpose, regulating flow and design, but unlike many others, hydraulic valves are strictly used in hydraulic-related systems and components.
Hydraulic valves allow the flow of fluid when in their open position and prevent flow when closed. These valves work in tandem with hydraulic cylinders , pumpsand motors to maintain a proper flow of hydraulic fluid through a system. Some examples of hydraulic valves that are commonly used include solenoid valves, ball valves, directional control valves and relief valves. These valves are used for sealing and releasing in different situations, and some allow flow in only one direction while others are capable of managing more. Many hydraulic valves are computer controlled and do not require the monitoring of an operator.
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