Product Overview
The Rexroth 4WRZE 16 W8-150-74/6EG24N9K31/A1D3M (Material No. R900618031) is a high-response, pilot-operated proportional directional valve from the Rexroth 4WRZE series, designed for precise control of flow direction and magnitude in demanding industrial hydraulic systems. Utilizing a two-stage design, the valve combines a pilot stage with a main spool stage to deliver high flow rates with exceptional dynamic response. The integrated position feedback and proportional solenoid actuation enable continuous, stepless control of actuator speed and direction, making it a critical component in closed-loop and open-loop motion control architectures. This valve is engineered for applications requiring high precision, fast response times, and reliable performance under continuous industrial duty cycles.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Directional Valve (Pilot-Operated, Two-Stage) |
| Model Designation | 4WRZE 16 W8-150-74/6EG24N9K31/A1D3M |
| Material Number | R900618031 |
| Nominal Size | NG16 (Size 16) |
| Spool Type / Flow Characteristic | W8 — Progressive flow characteristic with fine metering control |
| Nominal Flow Rate | 150 L/min at Δp = 10 bar per land |
| Operating Pressure | Up to 350 bar (working ports); pilot pressure up to 315 bar |
| Actuation | Proportional solenoid, 24 V DC (EG24), with integrated position feedback |
| Electrical Connection | N9 — Standard DIN EN 175301-803 (ISO 4400) connector, K31 — with integrated control electronics |
| Mounting Pattern | ISO 4401-07 / CETOP 7 subplate mounting interface |
| Seal Material | NBR (Nitrile) — suitable for mineral oil based hydraulic fluids |
Engineering Features & Advantages
- Precision Performance: The integrated proportional solenoid, 24 V DC (EG24), with integrated position feedback ensures precise, repeatable control with low hysteresis and stable performance 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: Exact dimensional and functional compatibility with original Rexroth OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
- Rated Capability: Rated for pressure ratings up to 350 bar and flow rates up to 150 L/min, supporting stable operation across the full working range.
Typical Industrial Applications
This valve is engineered for applications requiring high precision, fast response times, and reliable performance under continuous industrial duty cycles.
PRODUCT IMAGES
Rexroth 4WRZE 16 W8-150-74/6EG24N9K31/A1D3M / R900618031 Proportional 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 4WRZE 16 W8-150-74/6EG24N9K31/A1D3M / R900618031 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.