Guangdong Yanhui Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of bosch rexroth 4wra valve in China. We warmly welcome you to wholesale bulk bosch rexroth 4wra valve for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Why Choose Yanhui Hydraulic?
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- Professional consultation on valve selection and installation
- Assistance with technical specifications and system integration
- Access to genuine parts and other top hydraulic brands
- Quick and safe shipping worldwide
- Reliable after-sales service and troubleshooting guidance
Product Overview
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The Bosch Rexroth 4WRA proportional directional valve belongs to the direct-operated proportional valve family. It controls the direction and magnitude of hydraulic flow according to an electrical signal applied to the proportional solenoid.
Key Advantages
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- Proportional Flow Control
- Direct-Operated Design
- High Control Accuracy
- Modular Installation
- Wide Application Compatibility
Technical Specifications
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| Parameter | Specification |
|---|---|
| Product Type | Proportional Directional Control Valve |
| Series | 4WRA |
| Manufacturer | Bosch Rexroth |
| Size | NG6 (CETOP 03 / ISO 4401-03) |
| Maximum Operating Pressure | Up to 315 bar |
| Maximum Flow Rate | Up to 80 L/min |
| Control Type | Direct-operated proportional solenoid |
| Voltage Options | 24 V DC |
| Electrical Connection | Integrated connector |
| Mounting Type | Subplate mounting |
| Hydraulic Fluid | Mineral oil (HL, HLP) |
| Operating Temperature | -20°C to +80°C |
| Response Time | Fast dynamic response |
Applications
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- Industrial machine tools requiring precise feed control
- Plastic injection molding machines
- Metallurgical equipment and rolling mills
- Hydraulic presses and forming machines
- Automated production lines and robotics
- Testing equipment and laboratory hydraulic systems
Related Models
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- 4WRA6E30-2X/G24K4/V
- 4WRA6E30-2X/G24N9K4/V
- 4WRA6W30-2X/G24K4/V
- 4WRA6EA30-2X/G24N9K4/V
- 4WRA6WA30-2X/G24K4/V
These models differ in spool type, electrical connector configuration, and control characteristics.
FAQ
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What mounting standard does the 4WRA valve use?
Most Bosch Rexroth 4WRA valves follow the ISO 4401 standard mounting pattern (also known as CETOP interface). The most common size is NG6 (CETOP 03), which allows easy installation on standard hydraulic manifolds or subplates.
What type of electrical control signal is required?
The 4WRA valve typically operates with a proportional solenoid controlled by a 24 V DC electrical signal. In many systems, the valve is connected to a proportional amplifier or PLC controller to regulate the input signal.
Does the 4WRA valve require external electronics?
Yes, in most cases the valve requires an external amplifier or controller to convert command signals into proportional current for the solenoid. Some systems integrate dedicated proportional valve drivers for better control accuracy.
Contact Us
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Request a Quote Today to ensure your hydraulic system performs at its best with genuine components from Yanhui Hydraulic.
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