The REXROTH 3DREPE 6 C-21=25EG24K31/A1V-00 / R900973965 is a heavy-duty industrial proportional directional valve engineered for precise, continuous control of flow direction and magnitude in hydraulic systems. It features a direct-operated, wet-pin solenoid design with a spring-centered spool, providing proportional response to electrical input signals. The valve is designed for subplate mounting according to ISO 4401-03 (CETOP 03) and offers high resolution and low hysteresis for demanding motion control applications.
REXROTH 3DREPE 6 C-21=25EG24K31/A1V-00 / R900973965 Technical Specifications
| Valve Type | Proportional directional valve, direct-operated |
| Size | NG6 (CETOP 03 / ISO 4401-03) |
| Spool Type | C-21 (symbol per Rexroth standard) |
| Nominal Flow | 25 L/min at Δp = 10 bar per land |
| Max. Operating Pressure | 315 bar (ports P, A, B); 210 bar (port T) |
| Nominal Solenoid Voltage | 24 V DC |
| Solenoid Type | Wet-pin, proportional solenoid with central thread |
| Electrical Connection | Connector per EN 175301-803 (DIN 43650) |
| Mounting Pattern | Subplate mounting, 4-way, 3-position |
| Seal Material | NBR (standard); FKM optional |
| Fluid Temperature Range | -20 °C to +80 °C |
| Viscosity Range | 10 to 800 mm²/s |
| Filtration | ISO 4406 (c) 20/18/15 or better |
| Weight | Approx. 2.5 kg |
Key Engineering Features
- Direct-operated proportional solenoid with wet-pin armature for high dynamic response and minimal wear.
- Spring-centered spool ensures fail-safe neutral position upon power loss.
- Proportional flow control in both directions with low hysteresis and high repeatability.
- Optimized spool geometry for precise metering and reduced pressure drop.
- Rugged construction with corrosion-resistant housing and solenoid coil.
- Compatible with Rexroth proportional amplifiers and control electronics.
Industrial Applications
- Hydraulic presses and forming machinery
- Injection molding machines
- Machine tools and CNC equipment
- Material handling and lifting systems
- Test rigs and simulation equipment
- General industrial automation requiring precise flow control
For technical inquiries, dimensional drawings, or replacement support for REXROTH 3DREPE 6 C-21=25EG24K31/A1V-00 / R900973965, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
REXROTH 3DREPE 6 C-21=25EG24K31/A1V-00 Proportional Directional Valve
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the REXROTH 3DREPE 6 C-21=25EG24K31/A1V-00 / R900973965 Proportional Directional Valve. This precision-engineered industrial component delivers reliable performance and tight fluid control for heavy-duty systems.