Product Overview
The Rexroth R934001183 is a high-performance proportional directional valve from the Bosch Rexroth WR series, engineered for precise, infinitely variable control of hydraulic flow direction and magnitude in industrial drive systems. Utilizing a robust spool-in-sleeve design actuated by a high-force proportional solenoid, this valve converts an analog electrical input signal into a proportional hydraulic output, enabling smooth acceleration, deceleration, and position control of actuators without the need for complex servo feedback loops. As a direct-operated proportional directional valve, it serves as a critical interface between electronic control systems (PLC or amplifier cards) and the hydraulic power circuit, delivering metered flow to cylinders and motors in demanding applications where both directional control and velocity regulation are required.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Directional Valve (Spool Type) |
| Model Designation | R934001183 |
| Manufacturer | Bosch Rexroth |
| Actuation Type | Proportional Solenoid (Single or Dual Solenoid Configuration) |
| Operating Pressure | Standard Industrial Grade (Up to 315 bar rated) |
| Nominal Flow Rate | Model-dependent (typically 10–100 L/min at Δp = 10 bar per land) |
| Spool Configuration | Closed-center, overlapped spool for precise metering |
| Mounting & Connection | Standard ISO 4401 / DIN 24340 Subplate Interface |
| Electrical Interface | Proportional solenoid with central thread and plug connector |
| Control Signal | Analog voltage or current input via proportional amplifier |
Engineering Features & Advantages
- Precision Flow Metering: The overlapped spool land geometry provides fine control resolution, allowing accurate velocity profiling of hydraulic actuators through the full stroke range.
- Fast Dynamic Response: High-force proportional solenoids deliver rapid spool positioning with minimal hysteresis, ensuring repeatable performance in closed-loop control architectures.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with hardened spool and sleeve surfaces resisting contamination-induced wear.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Rexroth proportional valve standards, including subplate port patterns and solenoid electrical connections.
- Direct Fit Replacement: Precision-manufactured to original Rexroth specifications for direct replacement, minimising downtime and eliminating fitment issues.
Typical Industrial Applications
As a direct-operated proportional directional valve, it serves as a critical interface between electronic control systems (PLC or amplifier cards) and the hydraulic power circuit, delivering metered flow to cylinders and motors in demanding applications where both directional control and velocity regulation are required.
PRODUCT IMAGES
Rexroth R934001183 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.
- 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 R934001183 Proportional Directional Valve. This Germany-made 24V DC hydraulic component features a 4-way proportional design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.