Product Overview
The XCMG KDRDE5KR-20/40C50-203A is a precision-engineered proportional pressure reducing valve designed for advanced electro-hydraulic control systems. Manufactured to XCMG’s stringent OEM standards, this valve functions as a pilot-operated, normally open pressure reducing element that converts an electrical input signal into a continuously variable, proportional hydraulic output pressure. Unlike simple on/off directional valves, the KDRDE5KR-20/40C50-203A utilizes a precision proportional solenoid to infinitely modulate the spool position, thereby delivering smooth, stepless pressure regulation for demanding industrial and mobile hydraulic circuits. Its robust construction and precise metering characteristics make it an essential component for load-sensing systems, pressure-controlled actuators, and closed-loop force control applications where accurate pressure modulation is critical for system stability and energy efficiency.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Pressure Reducing Valve (Pilot-Operated, Spool Type) |
| Model Designation | KDRDE5KR-20/40C50-203A |
| Operating Pressure | Up to 315 bar (Primary Pressure), 0–40 bar (Regulated Secondary Pressure Range) |
| Nominal Flow Rate | 20 L/min (Nominal), 50 L/min (Max. Recommended) |
| Actuation Type | Proportional Solenoid with Integrated Position Feedback (Closed-Loop Control) |
| Electrical Interface | Standard DIN 43650 / ISO 4400 Connector, 12V or 24V DC Coil Options |
| Mounting & Connection | Subplate Mounting per ISO 4401 / CETOP 3 (NG6) Interface |
| Control Signal | 0–10 V DC or 4–20 mA Analog Input (Proportional to Output Pressure) |
| Hysteresis & Linearity | < 3% Hysteresis, < 2% Linearity Error (Typical) |
| Fluid Compatibility | Mineral Oil (HL, HLP), Synthetic Fluids, Water-Glycol (Seal Dependent) |
| Operating Temperature | -20°C to +80°C (Fluid), -40°C to +100°C (Ambient) |
Engineering Features & Advantages
- Precision Performance: The proportional pressure reducing valve (pilot-operated, spool type) delivers precise, repeatable performance with low hysteresis and stable control across the full working range.
- Industrial Reliability: Designed for dependable long-term operation in demanding industrial environments, with quality bearings and sealing systems ensuring extended maintenance intervals.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original XCMG OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
- Rated Capability: Rated for pressure ratings up to 315 bar and flow rates up to 20 L/min, supporting stable operation across the full working range.
Typical Industrial Applications
Its robust construction and precise metering characteristics make it an essential component for load-sensing systems, pressure-controlled actuators, and closed-loop force control applications where accurate pressure modulation is critical for system stability and energy efficiency.
PRODUCT IMAGES
XCMG KDRDE5KR-20/40C50-203A Proportional Pressure Reducing Valve
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine XCMG KDRDE5KR-20/40C50-203A Proportional Solenoid Directional Control Valve. This China-made hydraulic component features a precise spool design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.