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Core Components: Consists of a DC proportional solenoid and a hydraulic valve, using a sliding sleeve and LVDT position sensor for closed-loop control. Control Logic: An electronic amplifier converts the input electrical signal into a current signal, driving the proportional solenoid to control valve spool displacement, achieving continuous flow adjustment. Structural Features: The valve spool slides within a hardened sliding sleeve, ensuring high coverage accuracy. The five-chamber valve body design and press-fit installation of the sliding sleeve provide excellent overall vibration and shock resistance.