Bosch Rexroth DB Pilot operated relief valve
Boost Your Performance with the Rexroth DB Pilot operated relief valve
The Bosch Rexroth DB Pilot Operated Relief Valve available through LOYAL INDUSTRIAL PTE. LTD is a high-performance hydraulic component that has been designed to control pressure accurately in various industrial applications. It ensures accurate pressure control and this makes it suitable for delicate and demanding applications.This sophisticated relief valve has been made to manage the system pressure by channeling excess fluid away, hence ensuring dependability in operation of hydraulic systems.
- Customized Solutions
- High Efficiency
- Reasonable Pricing
- Technical Support and Service
It is perfect for a wide range of sectors such as manufacturing, building and construction just to mention but a few from which the Bosch Rexroth DB Pilot Operated Relief Valve can be obtained through LOYAL INDUSTRIAL PTE. LTD. This will help us have exact hydraulic controls in an efficient manner.

Home » Bosch Rexroth » Bosch Rexroth Pilot Operated Relief Valve » DB Series
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Features: The valve's key attributes
- Flange Connection and Subplate Mounting: This valve can be connected through flanges or mounted on subplates.
- Adjustment Types for Pressure Adjustment: The valve has three adjustment types with which to set the pressure:
- Sleeve inclusive of a hexagon and cap
- Rotary knob
- Lockable rotary knob
- Solenoid-Actuated Unloading: This valve is designed with an in-built solenoid-operated unloading directional spool valve.
- Pilot Oil Return Options: This valve may employ an internal or external approach to returning pilot oil.
- Remote Control Port: There is an optional port for remote control, too.
- Main Spool Insert Options: The main spool insert is available as a seat or spool version.
- CE Conformity: The valve satisfies the Low-Voltage Directive 2014/35/EU at electrical voltages over 50 VAC or 75 VDC.


Introduction to DB Pressure Relief Valve Function
A pilot-operated mechanism is applied in the operation of the DB pressure relief valve. The valve opens when system pressure exceeds a given value and allows hydraulic fluid to flow towards the tank, thus limiting the built-up pressure within that system. The remote control of this valve allows for unloading or switching of pressures. Energy efficient usage is ensured by maintaining optimum system pressure with this valve, as well as prolonging the life time of hydraulic components.The additional safety in hydraulic systems is provided by means of pilot-operated relief mechanism, which prevents over-pressurization.
Pressure Limitation (DB):
The system pressure acts on the main spool.
Pressure is simultaneously applied to the spring-loaded side of the main spool and to the pilot control valvevia control lines, which are equipped with nozzles.
DB Pilot operated relief valve Safety instructions
Function of Unloading: The characteristic function should not be used for safety applications/uses.
Power Failure Adjustable Pressure: In the event of power failure or cable breakage, the minimum adjustable pressure (circulation pressure) is set for version “B.” The pressure limiting function is set for version “A.”
Hydraulic Back Pressures: Internal and/or external pilot oil return may cause hydraulic back pressures at port Y to add 1:1 to the response pressure of the valve setting at pilot control in port T.
Discharge Lines: In other words, safety valves’ discharge lines (ports T and Y) must be terminated safely. Fluids should not accumulate in the discharge system (refer to data sheet AD2000 A2).
By using this codeless feature, internal pilot oil returns. It only has permissible maximum flow rates without counter pressure through an exhaust line (port T). On increasing flow rate, there’s rising system pressure with internal pilot oil return using resistance inside a line that leads out. For an admissible flow rate that depends on an amount of backpressure at the discharge line over 10 % from set response pressure, it is necessary to reduce said flow rate so that such increase does not exceed 10 percent and also depends on counterpressure is present in the discharge line.

Rexroth DB Pilot operated relief valve – Specification Details
Category | Parameter | Value |
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General | Weight (DB) | Approx. 27 kg |
General | Weight (DBW) | Approx. 28.5 kg |
General | Installation Position | Any |
General | Conformity | CE according to Low-Voltage Directive 2014/35/EU |
General | Conformity | Tested according to EN 60204-1:2006-01 and DIN VDE 0580 |
General | Maximum Operating Pressure (Port P, T, X) | 315 bar |
Hydraulic | Maximum Counter Pressure (Port Y - DB) | 315 bar |
Hydraulic | Maximum Counter Pressure (Port Y - DBW) | 210 bar with DC solenoid |
Hydraulic | Maximum Counter Pressure (Port T - DBW) | 160 bar with AC solenoid |
Hydraulic | Minimum Set Pressure | Flow-dependent (see characteristic curves) |
Hydraulic | Maximum Set Pressure | 100 or 315 bar |
Hydraulic | Maximum Flow | 2000 l/min |
Hydraulic | Hydraulic Fluid | Refer to specific table |
Hydraulic | Viscosity Range | 10 to 380 mm2/s |
Hydraulic | Cleanliness Class (ISO 4406) | Class 20/18/15 |
Built with robust materials to withstand harsh industrial environments and deliver long-lasting performance.

Rexroth DB Pilot-Operated Relief Valve - Premium Quality Image Showcase

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Your Reliable Partner in Quality Services: Loyal's Commitment to Excellence
LOYAL INDUSTRIAL PTE. LTD. is pleased to introduce our complete service and support for Bosch Rexroth DB Pilot Operated Relief Valve as follows;
- Expert Consultation: Our team of engineers skilled in the field are here to advise and support you diligently ensuring that you choose the right valve for your specific application.
- High-Quality Spare Parts: We have a well-stocked store of genuine Bosch Rexroth spare parts, which ensures quick replacements and minimum downtimes.
- Professional Maintenance Services: Our experienced technicians are at hand, offering regular servicing and inspections, ensuring that your relief valve can perform well over a long-term basis.
- Training and Support: We provide training sessions and technical support so that your staff members can efficiently and properly run equipment.
- 24/7 Customer Service: This means that our customer care representatives tirelessly work all day, every day, to tackle any issues or answer any inquiries from you, keeping it running smoothly and giving you peace of mind.
At LOYAL INDUSTRIAL PTE. LTD., we dedicate ourselves to giving unmatched service for your Bosch Rexroth DB Pilot Operated Relief Valve, thus ensuring absolute satisfaction and operational efficiency.
Rexroth Pilot Operated Relief Valve Catalog
Model | Rexroth DB Pilot operated relief valve Price | Contact Us |
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DB10-1-5X/50 | $2500.00-$5000.00 | Inquiry about this Parts |
DB10-1-5X/100 | $2500.00-$5000.00 | Inquiry about this Parts |
DB10-1-5X/200 | $2500.00-$5000.00 | Inquiry about this Parts |
DB10-1-5X/315 | $2500.00-$5000.00 | Inquiry about this Parts |
DB10-1-5X/350 | $2500.00-$5000.00 | Inquiry about this Parts |
DB10-2-5X/50 | $2500.00-$5000.00 | Inquiry about this Parts |
DB10-2-5X/100 | $2500.00-$5000.00 | Inquiry about this Parts |
DB10-2-5X/200 | $2500.00-$5000.00 | Inquiry about this Parts |
DB10-2-5X/315 | $2500.00-$5000.00 | Inquiry about this Parts |
DB10-2-5X/350 | $2500.00-$5000.00 | Inquiry about this Parts |
DB20-1-5X/50 | $2500.00-$5000.00 | Inquiry about this Parts |
DB20-1-5X/100 | $2500.00-$5000.00 | Inquiry about this Parts |
DB20-1-5X/200 | $2500.00-$5000.00 | Inquiry about this Parts |
DB20-1-5X/315 | $2500.00-$5000.00 | Inquiry about this Parts |
DB20-1-5X/350 | $2500.00-$5000.00 | Inquiry about this Parts |
DB20-2-5X/50 | $2500.00-$5000.00 | Inquiry about this Parts |
DB20-2-5X/100 | $2500.00-$5000.00 | Inquiry about this Parts |
DB20-2-5X/200 | $2500.00-$5000.00 | Inquiry about this Parts |
DB20-2-5X/315 | $2500.00-$5000.00 | Inquiry about this Parts |
DB20-2-5X/350 | $2500.00-$5000.00 | Inquiry about this Parts |
DB30-1-5X/50 | $2500.00-$5000.00 | Inquiry about this Parts |
DB30-1-5X/100 | $2500.00-$5000.00 | Inquiry about this Parts |
DB30-1-5X/200 | $2500.00-$5000.00 | Inquiry about this Parts |
DB30-1-5X/315 | $2500.00-$5000.00 | Inquiry about this Parts |
DB30-1-5X/350 | $2500.00-$5000.00 | Inquiry about this Parts |
DB30-2-5X/50 | $2500.00-$5000.00 | Inquiry about this Parts |
DB30-2-5X/100 | $2500.00-$5000.00 | Inquiry about this Parts |
DB30-2-5X/200 | $2500.00-$5000.00 | Inquiry about this Parts |
DB30-2-5X/315 | $2500.00-$5000.00 | Inquiry about this Parts |
DB30-2-5X/350 | $2500.00-$5000.00 | 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 DB Pilot operated relief valve: Common Queries
Offers customizable pressure settings to meet specific system requirements, enhancing operational flexibility.
Q: What is a Bosch Rexroth DB Pilot operated relief valve?
A: The Bosch Rexroth DB Pilot operated relief valve is a msignificantpart that is used to control the pressure in hydraulic systems. It protects system elements from pressure above the set value, thereby ensuring the safety and reliability of the systems.
Q: How does the Bosch Rexroth Pressure Relief Valve DB work?
A: The pilot-operated pressure relief valve, Rexroth Pressure Relief Valve DB, works by letting out excessive pressure when it exceeds the set point, maintaining the system’s desired pressure and providing protection for high pressures on components.
Q: What are the maximum pressure and flow ratings for the Bosch Rexroth DB valve?
A: The maximum handleable pressure of 315 bar for the bosch rexroth db valve makes it helpful in managing heavy flow rates effectively.
Q: What types of fluids can be used with Bosch Rexroth Pilot-Operated Pressure Relief Valves?
A: These valves are compatible with mineral oils, including those matching cleanliness classes specified by BoschRexroth.
Q: What are the typical applications of Bosch Rexroth Pressure Valves?
A: Typical applications of boschrexrothpressurevalves include pilot-operatedpressure relief valves, whichch are commonly used in hydraulic systems where they serve as a means to limit pressur,es, thus protecting system components and guaranteeing operational safety.
Q how do i adjust the pressure on my rexroth relief valve db?
A: To adjust the pressure on a rexrothreliefvalvedb, one has to use an adjusting element. By rotating this element, you can set the limit at which excess force to be relieved.