Product Overview
The Rexroth 4WBI E16 F1Z-180SJ 3X /1674 K0/AIM (Material No. 0811404306) is a high-response, pilot-operated proportional directional valve designed for precise control of flow direction and magnitude in demanding industrial hydraulic systems. Part of the Rexroth 4WBI series, this valve utilizes a proportional solenoid on one end and a spring return on the opposite end to infinitely position a robust main spool. By varying the electrical input current to the solenoid, the valve proportionally shifts the spool, thereby metering hydraulic flow to the actuator with exceptional linearity and minimal hysteresis. This component serves as a critical interface in closed-loop and open-loop control architectures, enabling smooth acceleration, deceleration, and precise velocity control of cylinders and motors in high-cycle industrial machinery.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Directional Valve (Pilot-Operated) |
| Model Designation | 4WBI E16 F1Z-180SJ 3X /1674 K0/AIM |
| Material Number | 0811404306 |
| Actuation Type | Proportional Solenoid with Spring Return |
| Size / Nominal Flow | NG16 (Size 16) — High Flow Capacity |
| Operating Pressure | Up to 315 bar (Pilot and Main Stage Rated) |
| Spool Type | Proportional Spool with Metering Notches (E16 Design) |
| Mounting & Connection | Subplate Mounting per ISO 4401 / DIN 24340 (NG16 Interface) |
| Electrical Interface | Standard Proportional Solenoid Connector (AIM Configuration) |
Engineering Features & Advantages
- Precision Proportional Metering: The 4WBI valve provides infinitely variable flow control proportional to the solenoid input current, ensuring smooth, shock-free motion profiles and accurate velocity regulation of hydraulic actuators.
- High-Response Pilot Stage: The integrated pilot-operated design delivers fast dynamic response times, making it ideal for high-cycle applications requiring rapid directional changes and precise positioning.
- Robust Industrial Construction: Engineered for continuous duty in severe industrial environments, the valve body and spool are manufactured to Rexroth’s stringent tolerances for long service life and minimal internal leakage.
- Excellent Linearity and Low Hysteresis: Optimized spool geometry and solenoid force characteristics ensure a highly linear flow-to-current relationship, critical for closed-loop control accuracy.
- 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
This component serves as a critical interface in closed-loop and open-loop control architectures, enabling smooth acceleration, deceleration, and precise velocity control of cylinders and motors in high-cycle industrial machinery.
PRODUCT IMAGES
REXROTH 4WBI E16 F1Z-180SJ 3X /1674 K0/AIM / 0811404306 Proportional 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.
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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH 4WBI E16 F1Z-180SJ 3X /1674 K0/AIM / 0811404306 Proportional Directional Valve. This Germany-made 24 VDC hydraulic component features a 4-way proportional design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.