Kobelco SK230-6E SK210LC-6E Proportional Solenoid Valve KDRDE5K-31/30C50-140 Green Dot 24V

Description

The KDRDE5K-31/30C50-140 proportional solenoid valve is specifically designed for Kobelco SK230-6E and SK210LC-6E excavator models, representing Kobelco’s advanced proportional hydraulic technology. This Green Dot marked valve operates at 24V and provides essential proportional hydraulic control functions critical to machine performance. The valve regulates hydraulic flow to various circuits based on electronic control unit signals from the machine’s computer, enabling precise machine operation that Kobelco excavators are known for. Key applications include boom and arm flow control for smooth digging and lifting operations, swing motor modulation for controlled rotation under load, and travel system regulation for variable speed across different ground conditions. Kobelco’s hydraulic systems utilize independent closed-center circuits that require precisely matched proportional valves for optimal efficiency. This valve features corrosion-resistant housing construction, high-flow capacity passages, and premium electromagnetic coils for reliable performance across varying temperatures and pressure conditions. The valve is a direct replacement for part number KDRDE5K-31/30C50-140, restoring proper hydraulic response on SK230-6E and SK210LC-6E machines showing signs of proportional valve wear.