Hydraulic valve performance directly determines excavator movement accuracy, response speed, and working efficiency. A worn or unstable main control valve may cause slow actuator response, irregular hydraulic flow, poor coordination between boom, arm, bucket, swing, and travel functions, leading to higher maintenance costs and unexpected downtime. KMX15RA Directional Control Valve Assembly is designed for SANY SY235 excavators, providing precise hydraulic oil distribution, stable flow control, and reliable multi-function operation for construction and heavy-duty working conditions.
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