Product Overview
The Rexroth 4WSE3EE16-7X (Material Number: R900902445) is a high-response, two-stage directional servo valve engineered for precision closed-loop control of position, velocity, force, and pressure in demanding industrial hydraulic systems. Manufactured by Bosch Rexroth, this valve features a torque-motor-driven pilot stage with a mechanical feedback mechanism that actuates the main spool of the second stage. The 4WSE3EE series is a proven design for applications requiring exceptional dynamic response, high resolution, and minimal hysteresis. With a nominal size of NG16 (Size 16), this servo valve delivers precise metering of hydraulic flow proportional to the electrical input signal, making it a critical component in high-performance motion control architectures.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional & Servo Valve (Two-Stage Directional Servo Valve) |
| Model Designation | 4WSE3EE16-7X / R900902445 |
| Nominal Size | NG16 (Size 16) |
| Series | 7X (Component Series 70) |
| Operating Pressure | Up to 315 bar (system pressure, dependent on configuration) |
| Pilot Stage | Torque motor with mechanical feedback (nozzle-flapper principle) |
| Main Stage | Four-way, three-position spool with critical center overlap |
| Actuation | Electrical input signal (analog, typically ±10 V or ±10 mA) |
| Mounting & Connection | Subplate mounting per ISO 4401 / DIN 24340 (NG16 pattern) |
| Hydraulic Fluid | Mineral oil-based hydraulic fluids (HL, HLP per DIN 51524) |
| Filtration Requirement | High cleanliness level required (ISO 4406 Class 17/15/12 or better) |
Engineering Features & Advantages
- Precision Performance: The torque-motor pilot stage with mechanical feedback delivers extremely fast response times, high resolution, and minimal hysteresis, enabling accurate closed-loop control of position, velocity, and force in dynamic motion profiles.
- 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.
Typical Industrial Applications
The 4WSE3EE series is a proven design for applications requiring exceptional dynamic response, high resolution, and minimal hysteresis.
PRODUCT IMAGES
REXROTH 4WSE3EE16-7X / R900902445 Servo 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 4WSE3EE16-7X / R900902445 High-Response Solenoid Directional Valve. This Germany-made hydraulic component features a high-response pilot control, delivering leak-free, reliable fluid control for heavy-duty industrial systems.