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How Open Center Valve Work
Flash Animation of Four way Three position Open Center Valve.
Open Center Four Way Three Position Valve
The Four way, three position, Open Center Valve is an important component in hydraulic circuits for controlling flow
direction. In this animation we wanted to show how the direction of the oil flow changed with the different positions
of the handle.
You can change the location of the spool by bringing the mouse pointer on the handle and dragging it to the left or right.
Different handle ( and spool ) positions, the high (red ) and low (blue ) pressure oil flow will take different paths.
The small white circles indicate which direction the oil flows. Notice that the three positions of the spool are indicated
by three square blocks in the animation. These square blocks are a symbolic representation of actual oil flowing in
the direction of arrows. We also superimposed the white circles in these square blocks to mimic the corresponding flow
direction shown in the valve body.
The ports on the valve are marked as P, T, A and B.
P represents Pump connection port.
T represent the Tank connection port.
A and B port can be connected to a hydraulic cylinder or motor.
Add a comment or brief description of this mechanism in your language.
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