Product Overview
The Rexroth W08SJ-20/G24K0/A1M is a high-performance directional spool valve engineered by Bosch Rexroth for precise control of hydraulic fluid flow direction, distribution, and pressure in industrial hydraulic systems. Featuring a robust spool-in-body design, this valve directs pressurized oil to specific actuator ports based on electrical solenoid actuation, enabling reliable start, stop, and reversal of hydraulic cylinders and motors. The W08SJ-20 series is part of Rexroth’s proven directional valve portfolio, offering exceptional switching reliability, low internal leakage, and long service life in demanding continuous-duty applications.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Directional Spool Valve (Solenoid Actuated) |
| Model Designation | W08SJ-20/G24K0/A1M |
| Operating Pressure | Up to 315 bar (standard industrial grade) |
| Nominal Flow Rate | Up to 80 L/min (dependent on spool configuration) |
| Actuation Type | High-performance wet-pin DC solenoid (24V DC) |
| Spool Configuration | Spring return, 3-position or 2-position (per model code) |
| Mounting & Connection | Subplate mounting per ISO 4401 / DIN 24340 (NG6 / CETOP 3) |
| Seal Material | NBR (Buna-N) standard, compatible with mineral oil-based hydraulic fluids |
Engineering Features & Advantages
- Precision Spool Metering: The hardened, precision-ground spool and honed valve body bore ensure minimal internal leakage, accurate flow metering, and repeatable directional control across the full pressure range.
- Fast Solenoid Response: The 24V DC wet-pin solenoid delivers rapid, consistent switching with low hysteresis, enabling high-cycle operation in automated hydraulic circuits.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust construction that resists contamination, thermal cycling, and mechanical shock.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Rexroth W08SJ-20 series valves, ensuring drop-in installation without modification.
- Flexible Circuit Integration: Standard ISO 4401 / CETOP 3 interface allows seamless integration with existing manifolds, sandwich plates, and modular hydraulic power units.
Typical Industrial Applications
The Rexroth W08SJ-20/G24K0/A1M directional spool valve is widely deployed in demanding industrial hydraulic systems, including plastic injection molding machines requiring precise mold clamping and injection sequencing, metallurgical presses and rolling mills where reliable directional control under high pressure is critical, CNC machine tools and machining centers for accurate tool actuation and pallet changing, and general industrial automation, construction equipment, and
PRODUCT IMAGES

REXROTH W08SJ-20/G24K0/A1M Directional Spool 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 W08SJ-20/G24K0/A1M 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.