The REXROTH 4WRE 6B-22/25QK4MV / R900997870 is a heavy-duty industrial proportional directional valve engineered for precise, continuous control of flow direction and magnitude in hydraulic systems. It features a 4-way, 3-position design with a wet-pin proportional solenoid, spring centering, and a robust housing rated for nominal pressures up to 315 bar. The valve is designed for subplate mounting according to ISO 4401-03 (CETOP 3) and offers high-resolution response for demanding motion control applications.
REXROTH 4WRE 6B-22/25QK4MV / R900997870 Technical Specifications
| Valve Type | Proportional directional valve, 4-way, 3-position |
| Actuation | Proportional solenoid, wet-pin, 24 V DC |
| Nominal Flow | 25 L/min at Δp = 10 bar per land |
| Maximum Operating Pressure | 315 bar (ports P, A, B); 210 bar (port T) |
| Mounting Pattern | ISO 4401-03-02-0-05 (CETOP 3) |
| Hysteresis | ≤ 5% of nominal stroke |
| Temperature Range | -20 °C to +70 °C (fluid dependent) |
| Weight | Approx. 2.5 kg |
Key Engineering Features
- Proportional solenoid with wet-pin armature for high dynamic response and long service life
- Spring-centered spool returns to neutral position upon de-energization
- Precise flow control proportional to electrical input signal
- Integrated manual override for emergency operation
- Corrosion-resistant housing and solenoid coil
- Designed for use with mineral oil-based hydraulic fluids
Industrial Applications
- Injection molding machines
- Hydraulic presses
- Machine tools and CNC equipment
- Material handling and lifting systems
- Test rigs and simulation equipment
- General industrial motion control
For technical inquiries, dimensional drawings, or replacement support for REXROTH 4WRE 6B-22/25QK4MV / R900997870, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
REXROTH 4WRE 6B-22/25QK4MV Proportional Directional Valve
âš¡ 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 REXROTH 4WRE 6B-22/25QK4MV / R900997870 Proportional Directional Valve. This precision-engineered industrial component delivers reliable performance and tight fluid control for heavy-duty systems.