Electro-Proportional Directional Control Valve

An electro-proportional directional valve is a type of hydraulic valve that is
used to control the direction of fluid flow in a hydraulic system with high
accuracy and precision. It plays a vital role in ensuring optimal performance
and efficiency in various applications.

How Is An Electro-proportional spool valve Controlled?
An electro-proportional directional control valve is controlled using
electrical signals to determine the direction and flow of fluid in a hydraulic
or pneumatic system. The valve contains a proportional solenoid that responds
to the electrical input signal and adjusts the valve's internal components to
control the fluid flow path.
Electrical Input Signal
The valve receives an electrical input signal, typically a current or voltage
signal, from a control system or device. This signal is proportional to the
desired position or operation of the valve.

01
Proportional Solenoid
The valve contains a proportional solenoid that converts the electrical input
signal into a magnetic field. The strength of the magnetic field is
proportional to the magnitude of the input signal.

02
Spool Positioning
The magnetic field generated by the proportional solenoid interacts with the
valve's internal spool, which is typically spring-loaded. The solenoid's
magnetic force counteracts the spring force to position the spool.

03
Spool Movement
As the solenoid's magnetic force increases or decreases in response to the
electrical input signal, it moves the spool within the valve body. The spool's
position determines the flow paths and connections within the valve.

04
Fluid Flow Control
The movement of the spool opens or closes specific flow paths or ports within
the valve. This controls the direction and magnitude of fluid flow in the
hydraulic or pneumatic system.

05
Feedback
Some electro-proportional directional control valves may have built-in position
sensors or provide feedback signals to the control system. This feedback
enables the control system to monitor and adjust the valve's position for
precise control and closed-loop operation.

There are many cartridge valve manufacturers, but we are one of the best
choices for you.

Minimum Order: 100 pieces

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