Product Overview
The Rexroth R900020273 is a high-performance solenoid-operated directional spool valve from the renowned 4WE series, engineered for precise control of hydraulic fluid flow direction in industrial power systems. This direct-acting spool valve utilizes wet-pin AC or DC solenoids to shift a hardened, precision-ground spool within a high-strength cast iron housing, enabling reliable switching, holding, or diverting of hydraulic flow paths. As a critical control element in modern hydraulic circuits, the R900020273 provides fast response times, low-pressure drop, and exceptional leakage integrity, making it ideal for demanding applications requiring accurate directional control and long service life.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Solenoid Directional Spool Valve |
| Model Designation | R900020273 (4WE Series) |
| Operating Pressure | Up to 350 bar (5075 psi) dynamic; 450 bar static |
| Nominal Flow Rate | Up to 80 L/min (dependent on spool type and pressure drop) |
| Spool Configuration | 3-position, 4-way (standard); other configurations available per model code |
| Actuation Type | Wet-pin solenoid, AC or DC voltage options |
| Mounting & Connection | Subplate mounting per ISO 4401 / DIN 24340; NG6 (CETOP 3) interface |
| Seal Material | NBR (Buna-N) standard; FKM (Viton) available for high-temperature or phosphate ester fluids |
| Operating Temperature Range | -20°C to +70°C (ambient); fluid temperature up to +80°C |
| Filtration Requirement | ISO 4406 cleanliness code 20/18/15 or better |
Engineering Features & Advantages
- Precision Spool & Sleeve Assembly: Hardened, ground, and honed spool-to-sleeve fit ensures minimal internal leakage, precise metering, and repeatable shift performance over millions of cycles.
- High-Force Wet-Pin Solenoids: Encapsulated solenoid design provides high actuation force, fast response times (typically 20–40 ms), and protection against moisture and contaminants, ensuring reliable operation in harsh industrial environments.
- Industrial Reliability: Designed for dependable long-term operation in demanding industrial environments, with quality bearings and sealing systems ensuring extended maintenance intervals.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original REXROTH OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
As a critical control element in modern hydraulic circuits, the R900020273 provides fast response times, low-pressure drop, and exceptional leakage integrity, making it ideal for demanding applications requiring accurate directional control and long service life.
PRODUCT IMAGES
REXROTH R900020273 Solenoid 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 R900020273 Solenoid Directional Spool Valve. This Germany-made 24V DC hydraulic component features a reliable spool design, delivering leak-free, precise fluid control for heavy-duty industrial systems.