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Kobelco SK200-3 SK200-4 YN30V00084F1 control valve assy seal kit replacement

Excavator control valve assy
July 04, 2025
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The control valve operates based on hydraulic or electro-hydraulic signals from the operator’s joystick or control system. Its primary function is to direct pressurized oil to different actuators while maintaining optimal pressure and flow.

Key Operational Mechanisms:
Directional Control: The valve shifts its internal spool to open or close oil passages, directing flow to the desired actuator.
Pressure Regulation: Relief valves and pressure compensators maintain system stability, preventing overload.
Flow Control: Adjusts oil flow rate to ensure smooth and proportional movement of hydraulic cylinders and motors.

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