Product Overview
The Rexroth R902221725 is a high-performance solenoid-actuated directional spool valve engineered for precise control of hydraulic fluid flow direction, start, stop, and direction changes in demanding industrial hydraulic circuits. Manufactured by Bosch Rexroth, a global leader in drive and control technology, this valve operates on the proven directional spool principle, utilizing a precision-machined spool within a hardened valve body to route pressurized fluid to the appropriate actuator ports. As a direct-operated solenoid directional valve, it delivers fast, reliable switching performance and is designed for seamless integration into manifold-mounted or subplate-mounted hydraulic power units. The R902221725 serves as a critical control element in systems requiring dependable directional control, load holding, and safe circuit isolation, making it an ideal choice for both new installations and OEM-equivalent replacement applications.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Solenoid Directional Spool Valve |
| Model Designation | R902221725 |
| Manufacturer | Bosch Rexroth |
| Actuation Type | Direct-Acting Solenoid (Wet-Pin Armature) |
| Operating Pressure | Standard Industrial Grade (Up to 350 bar rated) |
| Nominal Flow Rate | Industry-Standard Size (Up to 80 L/min depending on spool configuration) |
| Spool Configuration | Precision-Ground Directional Spool (Multiple Center Conditions Available) |
| Mounting & Connection | Standard ISO 4401 / CETOP Subplate Interface |
| Solenoid Voltage | Standard Industrial DC Voltage (12V / 24V / 110V / 220V Options) |
| Seal Material | NBR / FKM (Viton) for High-Temperature Compatibility |
| Fluid Compatibility | Mineral Oil-Based Hydraulic Fluids (HLP, HLVP per DIN 51524) |
| Operating Temperature Range | -20°C to +80°C (Standard Seals) |
Engineering Features & Advantages
- Precision Performance: The solenoid directional spool valve delivers precise, repeatable performance with low hysteresis and stable control across the full working range.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust construction and wear-resistant internal components for extended service life.
- Direct Fit Replacement: Precision-manufactured to original Rexroth specifications for direct replacement, minimising downtime and eliminating fitment issues.
- Rated Capability: Rated for pressure ratings up to 350 bar and flow rates up to 80 L/min, supporting stable operation across the full working range.
Typical Industrial Applications
The R902221725 serves as a critical control element in systems requiring dependable directional control, load holding, and safe circuit isolation, making it an ideal choice for both new installations and OEM-equivalent replacement applications.
PRODUCT IMAGES

Rexroth R902221725 Solenoid Directional 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 REXROTH R902221725 Solenoid Directional Spool Valve. This Germany-made 24V DC hydraulic component features a reliable spool design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.