DBW Series Pressure Relief Valve | Bosch Rexroth
Boost Performance with DBW Series Pressure Relief Valve by Bosch Rexroth
Discover the superior DBW Series Pressure Relief Valve from Bosch Rexroth, available at LOYAL INDUSTRIAL PTE. LTD. This reliable hydraulic component is engineered for precision and durability, ensuring efficient pressure control in various industrial applications. With its cost-effective design and long service life, the DBW Series Pressure Relief Valve is a smart choice for maintaining system reliability and performance.
- Customized Solutions
- High Efficiency
- Reasonable Pricing
- Technical Support and Service
The Rexroth DBW Series Pressure Relief Valve is a pilot-operated valve designed for efficient pressure management in hydraulic systems.

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DBW Series Pressure Relief Valve: Information and Specifications
It is introducing the DBW Series Pressure Relief Valve! This robust valve is excellent at maintaining desired pressure levels for hydraulic systems, workings efficiently below 250 bar. Aimed at industries such as construction and agriculture, it provides system protection by relieving excessive pressures. To make it work better according to different operational requirements in various working conditions, its flow adjustment mechanism is highly responsive. It has a dedicated pressure sensor port, which effectively manages pressure spikes. The DBW series are manufactured with precision, resulting in reliable performance, low noise emission, and high operational pressure levels. Even though it can be tricky handling this device due to its sensitivity, industry applications receive many advantages from the durability and flexibility of its design when it comes to mounting options available for use. Discover how dependable and efficient is the DBW Series Pressure Relief Valve now!


Key Features of the DBW Pressure Relief Valve
Pilot-operated pressure relief valve for hydraulic systems
For flange connection and subplate mounting
Three adjustment types for pressure adjustment, optionally:
- Sleeve with hexagon and protective cap
- Rotary knob
- Lockable rotary knob
Solenoid-actuated unloading via a built-on directional spool valve
Pilot oil return, internal or external
Optional remote control port
Main spool insert optionally as seat or spool version
CE conformity according to the Low-Voltage Directive 2014/35/EU for electrical voltages > 50 VAC or > 75 VDC
Highly resistant to cavitation, sudden drops in suction pressure, and pressure spikes in the housing
Maximum operating pressure up to 315 bar
Maximum flow rate of 2,000 l/min
Discover the versatility of the DBW Pressure Relief Valve for precise and reliable pressure control in hydraulic systems. Get in touch for detailed information!
Essential Guidelines for DBW Series Pressure Relief Valve Integration
- Function and Composition:
- The DB and DBW pressure relief valves are pilot-operated and primarily used for system pressure limitation (DB) or pressure limitation and unloading via solenoid actuation (DBW).
- These valves’ main components include a pilot control valve with a pressure adjustment element, a main valve with a main spool insert, and an optional directional valve.
- Operating Principle:
- The system pressure acts on the main spool and simultaneously through the control line with a nozzle on the spring-loaded side of the main spool and the pilot control valve. Suppose the system pressure exceeds the spring setting. In that case, the pilot control valve opens, allowing hydraulic fluid to flow from the pilot control valve’s spring chamber to the tank, thus releasing the connection from P to T. Hydraulic fluid flows from the P channel to the T channel, maintaining the set operating pressure.
- The DBW type valve functions similarly to the DB type, with the difference being that the main spool is unloaded through the control-mounted directional valve.
- Technical Data:
- Maximum operating pressure: Ports P, T, X 315 bar
- Maximum back pressure: Port Y 210 bar (with DC solenoid) / 160 bar (with AC solenoid)
- Minimum set pressure: Flow dependent (refer to characteristic curves)
- Maximum set pressure: 100 bar; 315 bar
- Maximum flow rate: 2000 l/min
- Hydraulic oil temperature range: NBR seals -20 … +80°C / FKM seals -15 … +80°C
- Mounting Position:
- It can be mounted in any position
- Notes:
- The main spool version with a valve spool can be used to reduce the tank pressure peak during the switch to the unloading cycle.
- An additional safety valve must be installed if unloading is required for safety-related functions.

Rexroth DBW Series Pressure Relief Valve Technical data
Feature | Details |
---|---|
Weight | DB: approx. 27 kg, DBW: approx. 28.5 kg. |
Installation Position | Can be mounted in any position. |
Ambient Temperature | DB: -30 to +80 °C (NBR seals), -15 to +80 °C (FKM seals). DBW: -20 to +50 °C (NBR seals), -15 to +50 °C (FKM seals). |
Conformity | CE according to Low-Voltage Directive 2014/35/EU. |
Maximum Operating Pressure | Ports P, T, X: 315 bar. |
Maximum Back Pressure | Port Y: DB 315 bar, DBW with DC solenoid 210 bar, DBW with AC solenoid 160 bar. |
Minimum Set Pressure | Flow-dependent (refer to characteristic curves on page 6). |
Maximum Set Pressure | 100 bar or 315 bar. |
Maximum Flow Rate | 2000 l/min. |
Hydraulic Oil Temperature Range | -20 to +80 °C (NBR seals), -15 to +80 °C (FKM seals). |
Viscosity Range | 10 to 380 mm2/s. |
Cleanliness Class | According to ISO 4406 (c) Class 20/18/15. |
Hydraulic Fluid | See page 7 for classification and suitable sealing materials. |
Additional Notes | For directional spool valve and connection flange, refer to data sheets 23178 and 45501 respectively. Deviating technical data for type-examination tested safety valves are on page 12. |
These valves are chosen for their versatility and robustness, meeting specific needs like maximum pressure, flow rate, and temperature conditions. The DBW series, conforming to CE standards, offer reliable performance across various hydraulic systems. Their adaptable design and precise pressure control make them essential for maintaining system stability and safety.

Preview of Rexroth Pressure Relief Valve - Product Image

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Your Trusted Partner in Quality: Loyal's Service Promise
At Loyal, we are committed to providing outstanding support and expertise for the Rexroth DBW Series Pressure Relief Valve, ensuring that your operations achieve maximum efficiency and reliability.
Comprehensive Technical Support: Our dedicated team offers expert troubleshooting, maintenance, and repair services tailored to the unique demands of your hydraulic systems, ensuring seamless and uninterrupted operation.
Quality Assurance: We adhere to rigorous quality control standards, guaranteeing that every pressure relief valve delivers consistent performance and reliability. Our meticulous attention to detail ensures your systems operate at peak efficiency.
Expertise and Guidance: With a wealth of experience and in-depth knowledge, our experts provide detailed documentation and guidance, equipping you with the necessary tools for efficient operation and maintenance.
Timely Response: Understanding the importance of minimizing downtime, we prioritize prompt response times to service requests, ensuring your operations remain on schedule.
Preventive Maintenance: Our proactive maintenance plans include regular inspections and servicing, designed to prevent unexpected issues and extend the lifespan of your pressure relief valves.
Trust Loyal as your partner in maintaining the highest performance and reliability standards for your Rexroth DBW Series Pressure Relief Valve. Our unwavering commitment to quality service and customer satisfaction sets us apart as the industry leader in hydraulic solutions. Choose Loyal for unparalleled service and a steadfast commitment to your success.
Bosch Rexroth Pressure Relief Valve Catalog
Model | Rexroth Pressure Relief Valve Price | Contact Us |
---|---|---|
DBW10B1-5X/50-6EG24N9K4 | $500.00 - $900.00 | Inquiry about this Parts |
DBW10B2-5X/50-6EG24N9K4 | $500.00 - $900.00 | Inquiry about this Parts |
DBW10B1-5X/100-6EG24N9K4 | $900.00 - $1,500.00 | Inquiry about this Parts |
DBW10B2-5X/100-6EG24N9K4 | $900.00 - $1,500.00 | Inquiry about this Parts |
DBW10B1-5X/200-6EG24N9K4 | $900.00 - $1,500.00 | Inquiry about this Parts |
DBW10B2-5X/200-6EG24N9K4 | $900.00 - $1,500.00 | Inquiry about this Parts |
DBW10B1-5X/315-6EG24N9K4 | $900.00 - $1,500.00 | Inquiry about this Parts |
DBW10B2-5X/315-6EG24N9K4 | $900.00 - $1,500.00 | Inquiry about this Parts |
DBW10B1-5X/350-6EG24N9K4 | $900.00 - $1,500.00 | Inquiry about this Parts |
DBW10B2-5X/350-6EG24N9K4 | $900.00 - $1,500.00 | Inquiry about this Parts |
DBW20B1-5X/50-6EG24N9K4 | $1,000.00 - $1,800.00 | Inquiry about this Parts |
DBW20B2-5X/50-6EG24N9K4 | $1,000.00 - $1,800.00 | Inquiry about this Parts |
DBW20B1-5X/100-6EG24N9K4 | $1,000.00 - $1,800.00 | Inquiry about this Parts |
DBW20B2-5X/100-6EG24N9K4 | $1,000.00 - $1,800.00 | Inquiry about this Parts |
DBW20B1-5X/200-6EG24N9K4 | $1,000.00 - $1,800.00 | Inquiry about this Parts |
DBW20B2-5X/200-6EG24N9K4 | $1,000.00 - $1,800.00 | Inquiry about this Parts |
DBW20B1-5X/315-6EG24N9K4 | $1,000.00 - $1,800.00 | Inquiry about this Parts |
DBW20B2-5X/315-6EG24N9K4 | $1,000.00 - $1,800.00 | Inquiry about this Parts |
DBW20B1-5X/350-6EG24N9K4 | $1,000.00 - $1,800.00 | Inquiry about this Parts |
DBW20B2-5X/350-6EG24N9K4 | $1,000.00 - $1,800.00 | Inquiry about this Parts |
DBW30B1-5X/50-6EG24N9K4 | $1,500.00 - $2,500.00 | Inquiry about this Parts |
DBW30B2-5X/50-6EG24N9K4 | $1,500.00 - $2,500.00 | Inquiry about this Parts |
DBW30B1-5X/100-6EG24N9K4 | $1,500.00 - $2,500.00 | Inquiry about this Parts |
DBW30B2-5X/100-6EG24N9K4 | $1,500.00 - $2,500.00 | Inquiry about this Parts |
DBW30B1-5X/200-6EG24N9K4 | $1,500.00 - $2,500.00 | Inquiry about this Parts |
DBW30B2-5X/200-6EG24N9K4 | $1,500.00 - $2,500.00 | Inquiry about this Parts |
DBW30B1-5X/315-6EG24N9K4 | $1,500.00 - $2,500.00 | Inquiry about this Parts |
DBW30B2-5X/315-6EG24N9K4 | $1,500.00 - $2,500.00 | Inquiry about this Parts |
DBW30B1-5X/350-6EG24N9K4 | $1,500.00 - $2,500.00 | Inquiry about this Parts |
DBW30B2-5X/350-6EG24N9K4 | $1,500.00 - $2,500.00 | Inquiry about this Parts |
Get In Touch
If you’re interested in exploring a range of high-performance hydraulic pumps, and you’re looking for a brand that matches the quality and reliability of industry leaders, consider LOYAL.
Interested in learning more about our products and how they can benefit your operations? Visiting our official website or reaching out to our customer service team through official channels will provide you with all the information and assistance you need.
Choose LOYAL for reliable, efficient, and innovative hydraulic solutions tailored to meet and exceed your expectations.
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Bosch Rexroth Pressure Relief Valve: Answers to Common Queries
Explore the advantages of the Bosch Rexroth Pressure Relief Valve for enhanced performance.
Q: How do I determine the correct Rexroth DBW Series model for my application?
A: To choose the right model, consider your system’s pressure requirements, flow rate, and the specific application. Refer to the Rexroth catalog for detailed specifications and consult with a Rexroth technical expert if needed.
Q: What are the standard pressure ranges for Rexroth DBW Series valves?
A: Rexroth DBW Series pressure relief valves typically offer a wide range of pressure settings, from low to high pressure applications. Specific pressure ranges depend on the model and configuration. Check the product datasheet for exact figures.
Q: Can Rexroth DBW Series valves be used in both industrial and mobile applications?
A: Yes, Rexroth DBW Series valves are versatile and designed for use in a variety of applications, including both industrial and mobile hydraulic systems. They provide reliable pressure control in diverse environments.
Q: What maintenance practices are recommended for Rexroth DBW Series valves?
A: Regular maintenance includes periodic inspection for leaks, checking and cleaning the valve components, and ensuring proper operation. Follow the maintenance guidelines provided in the Rexroth manual for optimal performance and longevity.
Q: How long is the typical lifespan of a Rexroth DBW Series pressure relief valve?
A: The lifespan of a Rexroth DBW Series valve depends on the operating conditions and maintenance practices. Under optimal conditions and with regular maintenance, these valves can last many years, providing reliable performance.
Q: What should I do if my Rexroth DBW Series valve is not maintaining the set pressure?
A: If the valve is not maintaining the set pressure, check for possible issues such as blockages, wear and tear on the valve components, or incorrect installation. Refer to the troubleshooting section of the Rexroth manual and perform routine maintenance checks. If the problem persists, contact a Rexroth service technician.