Rexroth commonly used proportional valve R900927230

Rexroth commonly used proportional valve R9009272304WREE10E75-2X/G24K31/A1V

The Rexroth R900927230 (4WREE10E75-2X/G24K31/A1V) is a high-performance direct acting proportional directional valve widely used in industrial automation and precision hydraulic control systems, with advantages such as high responsiveness, precise control, and integrated electronic components.

1、 Core parameters and technical characteristics

• Model analysis:

• 4WREE: Direct acting proportional directional valve, plate structure

• 10: The nominal diameter is NG10 (rated flow rate of 75 L/min)

• E75: Rated flow rate of 75 L/min

• 2X: Component series, representing design versions

• G24K31: The power supply voltage for the electromagnet is 24V DC, with an integrated electronic amplifier (OBE)

• A1V: Control mode is voltage input (A1), valve core with electrical position feedback (V)

• Basic performance parameters:

• Maximum working pressure: 315 bar

• The most trendyQuantity: 180 L/min (set to 75 L/min according to the model in actual use)

• Drive mode: Proportional electromagnet with centering thread and detachable coil

• Installation method: Plate connection, compliant with ISO 4401 and DIN 24340 standards

• Sealing material: NBR nitrile rubber, suitable for conventional hydraulic oil media

• Control characteristics:

• Equipped with electrical position feedback to achieve closed-loop control and improve the accuracy of valve core position

• Integrated built-in electronic amplifier (OBE), capable of directly receiving analog signals (such as 0-10V or 4-20mA) for flow and direction adjustment

• Support bidirectional flow control, suitable for load sensitive or smooth start stop conditions

2、 Typical application scenarios

This valve is commonly used in equipment systems that require high control stability due to its high precision and fast response:

1. Precision machine tools: used for stepless speed regulation and direction control of worktable feed and clamping systems

2. Injection molding machine: achieving precise adjustment of pressure and speed during the pressure holding and mold closing stages

3. Construction machinery: Micro motion control of hydraulic cylinders for excavators to improve operational stability

4. Automated production line: Implementing multi axis coordinated motion control with PLC

5. 

3、 Installation and usage precautions

• Do not allow the fuel tank pipeline to run empty, otherwise it may cause cavitation or control failure

• In systems with vertical loads or potential negative pressure, it is recommended to install a preload valve (with a preload pressure of approximately 2 bar) to prevent oil backflow

• Due to design principles limitations, there is inherent internal leakage inside the valve, and the leakage may increase after long-term use, requiring regular testing and maintenance

Rexroth commonly used proportional valve R9009272304WREE10E75-2X/G24K31/A1V

The common models are as follows:

4WREE10E25-22/G24K31/A1V

4WREEM6E32J-20/G24K34/B6V-735

R9009125214WREE6EA32-24/G24K31/A1V

R900950342 4WREE6E-16-2X/G24K31/A1V-655

4WREE10E75-2X/G24K31/A1V

R9009267474WREE6V32-24/G24K31/F1V

4WREE6V32-2X/G24K31/A1V

4WREE10E75-2X/G24K31A1V

R9009110044WREE6W32-2X/G24K31/A1V

R900927356 4WREE10E75-2X/G24K31/F1V

R901185591 4WREE10W2-75-2X/G24K31/A1V

R9009503424WREE6E1624/G24K31/A1V-655

R901496451 4WREE6W1-16-3X/V/24F1

4WREE6E08-3X/V/24A1

R901521313 4WREE6W08-3X/V/24F1

4WREE10W75-3X/V/24A1

4WREE10W75-3X/V/24F1

4WREE10E75-3X/V/24A1

4WREE6E32-3X/V/24A1

R901085278 4WREE6V32-2X/G24K31/A1V-742

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