Product Overview
The Rexroth R901436321 is a high-performance solenoid-actuated directional spool valve engineered for precise control of hydraulic fluid flow direction, start, stop, and pressure regulation within complex 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 housing to direct flow with minimal internal leakage. The R901436321 is designed for direct-operated or pilot-operated solenoid control, enabling rapid, reliable switching of hydraulic actuators such as cylinders and motors. Its robust construction and standardized interface make it a critical component in demanding industrial systems requiring high cycle rates, dependable performance, and long service life.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Solenoid Directional Spool Valve |
| Model Designation | R901436321 |
| Operating Pressure | Up to 350 bar (standard industrial grade, depending on spool type) |
| Mounting & Connection | Standard ISO 4401 / DIN 24340 interface, subplate mounting |
| Actuation Type | Solenoid operated (AC/DC options available) |
| Spool Configuration | 2-position or 3-position, 4-way (standard) |
| Flow Rate | Up to 80 L/min (nominal, dependent on size) |
Engineering Features & Advantages
- Precision Spool & Sleeve: Hardened, ground, and honed spool-to-bore fit ensures minimal internal leakage, precise metering, and consistent response across millions of cycles.
- High Switching Reliability: Wet-pin solenoid design with robust armature and push-pin mechanism delivers fast, repeatable actuation even under high pressure and flow conditions.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with high resistance to contamination and thermal stress.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring drop-in installation without modification.
- Flexible Control Options: Available with various spool types (e.g., open center, closed center, tandem) and manual override for emergency operation.
Typical Industrial Applications
The Rexroth R901436321 solenoid directional valve is widely deployed in heavy industrial scenarios including plastic injection molding machines for mold clamping and injection control, metallurgical presses for precise ram positioning, construction and marine hydraulics for boom and steering circuits, and CNC machine tools for tool changer and clamping actuation. Its robust design also suits automated assembly lines, material handling equipment, and hydraulic power units requiring reliable directional flow control.
PRODUCT IMAGES

Rexroth R901436321 Solenoid Directional Valve
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- 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 R901436321 Solenoid Directional Valve. This Germany-made 24V DC hydraulic component features a 4-way 3-position design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.