What are the 3 different types of hydraulic valves?

The three different types of hydraulic valves are:

1. Directional control valves: These valves control the flow of hydraulic fluid and determine the direction of fluid flow in a hydraulic system. They can be further classified into different types, such as spool valves, poppet valves, and rotary valves, based on their design and operation.

2. Pressure control valves: These valves regulate the pressure of hydraulic fluid within a system. They ensure that the pressure remains within a specified range to prevent damage to the system components. Examples of pressure control valves include relief valves, pressure reducing valves, and sequence valves.

3. Flow control valves: These valves control the rate of flow of hydraulic fluid in a system. They regulate the speed of actuators and control the flow rates in different branches of a hydraulic circuit. Flow control valves can be in the form of throttle valves, needle valves, or flow dividers.