Directional Control valves
Hydraulic Directional control valves (DCVs) are one of the most fundamental parts of hydraulic system. DCVs allow fluid flow (hydraulic oil) into different paths from one or more sources. DCVs will usually consist of a spool inside a cylinder which is mechanically or electrically actuated. The position of the spool restricts or permits flow, thus it controls the fluid flow.
Flow Control Valves
The purpose of a flow control valve is to regulate the flow rate in a specific portion of a hydraulic circuit. In hydraulic systems, they're used to control the flow rate to motors and cylinders, thereby regulating the speed of those components.
Pressure Control Valves
In the hydraulic transmission system, the hydraulic valve that controls the oil pressure is called the pressure control valve, which is called the pressure valve for short. The common point of this kind of valve is to use the principle that the hydraulic pressure acting on the valve core is balanced with the spring force.
In the specific hydraulic system, the requirements for pressure control are different according to the work needs: some need to limit the maximum pressure of the hydraulic system, such as safety valve; Some need to stabilize the pressure value (or pressure difference, pressure ratio, etc.) somewhere in the hydraulic system, such as overflow valves, relief valves and pressure reducing valves; Others use hydraulic pressure as a signal to control its action, such as sequence valve, pressure relay, etc.
Hydraulic Valve Blocks
The valve block is used for electro-hydraulic servo control system. In TRT device, it belongs to one of the eight systems.
Hydraulic Manifolds
A hydraulic manifold is a component that regulates fluid flow between pumps and actuators and other components in a hydraulic system.