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REXROTH DB20-1-52-315UV-12 Hydraulic Relief Valve DB20-1-52/315UV/12

Db20-1-52 Rexroth Db20-1-52/315uv/12 Hydraulic Relief Valve

( Brand: Rexroth ), ( Manufacturer Part Number: DB20-1-52/315UV/12 ), ( Part Type: Hydraulic Valve ), ( Reference Sku: 1762711 ), ( Product Condition: Used Excellent )

Review REXROTH Db20-1-52/315uv/12 Hydraulic Relief Valve

The **Bosch Rexroth DB20-1-52/315UV/12 hydraulic relief valve** is a high-performance, precision-engineered component designed for demanding industrial hydraulic applications where reliability, efficiency, and durability are paramount. Part of Rexroth s renowned **DB20 series**, this direct-acting pilot-operated relief valve is engineered to regulate and protect hydraulic systems by maintaining consistent pressure levels while preventing excessive buildup that could lead to system failure or damage. The **DB20 platform** is renowned for its compact yet robust design, making it ideal for integration into tight spaces within machinery such as presses, injection molding systems, material handling equipment, and heavy-duty mobile hydraulics. The **315UV** designation indicates a specific pressure rating and operational range, with the valve capable of handling system pressures up to **315 bar (4,570 psi)**, ensuring robust performance in high-stress environments. The **/12** suffix denotes a particular flow capacity, optimized for medium to high-flow applications where precise pressure control is critical, such as in hydraulic cylinders, pumps, or actuators requiring consistent force output.

Constructed from high-grade materials, including **cast steel or forged components** for the main body and **precision-machined components** for the internal pilot and spring assembly, this relief valve delivers exceptional resistance to wear, corrosion, and thermal fluctuations. The **direct-acting pilot mechanism** ensures rapid response times, minimizing pressure spikes and enhancing system stability, while the **adjustable pressure setting** allows for fine-tuning to match specific application requirements. The valve s **pilot port (P)** and **tank port (T)** connections facilitate seamless integration into hydraulic circuits, where it can be used in tandem with directional control valves, pressure-reducing valves, or accumulators to optimize system performance. Its **UV (universal valve) design** further enhances versatility, accommodating a range of mounting orientations and connection types, including **SAE, ISO, or custom flanges**, depending on the application s demands.

Beyond its technical specifications, the **DB20-1-52/315UV/12** stands out for its **low leakage characteristics**, energy-efficient operation, and long service life, reducing maintenance downtime and operational costs. Rexroth s proprietary **sealing technology** ensures minimal internal leakage, preserving hydraulic fluid integrity and extending the lifespan of the entire system. Additionally, the valve s **modular design** allows for easy servicing and replacement of internal components, such as the pilot cartridge or spring assembly, without requiring full valve replacement. This not only simplifies maintenance but also ensures that the valve can be quickly restored to peak performance with minimal disruption to production. Whether deployed in **industrial automation, material processing, or heavy machinery**, this relief valve exemplifies Bosch Rexroth s commitment to delivering **high-precision, long-lasting hydraulic solutions** that enhance efficiency, safety, and operational reliability.

### **Pros and Cons of buying a Rexroth DB20-1-52/315UV/12 Hydraulic Relief Valve**

#### **Pros:**

1. **High Reliability and Durability** Rexroth is a well-established brand known for manufacturing high-quality hydraulic components. This valve is designed for industrial applications, ensuring long-term performance under demanding conditions.

2. **Precision Engineering** The valve features precise internal components, including a pilot-operated mechanism, which helps maintain consistent pressure regulation, reducing system fluctuations.

3. **Wide Pressure Range** The model supports a broad operating range (likely up to 315 bar, as indicated by the "315" in the part number), making it suitable for heavy-duty machinery such as presses, excavators, or mobile hydraulics.

4. **UV (Ultra-Violet) Resistant Coating** The "UV" designation suggests a protective coating that resists degradation from UV exposure, which is beneficial for outdoor or exposed applications where sunlight could otherwise damage the valve.

5. **Modular and Adjustable** The design allows for pressure adjustment, making it adaptable to different system requirements without requiring a complete replacement.

6. **Compatibility with Rexroth Systems** If your hydraulic system already uses Rexroth components, this valve will integrate seamlessly, reducing compatibility issues and maintenance complexity.

7. **Good Availability of Spare Parts** Due to Rexroth s market presence, finding replacement parts or service support is relatively easier compared to niche or discontinued brands.

8. **Energy Efficiency** Properly functioning relief valves prevent excessive pressure buildup, reducing energy waste and mechanical stress on the system.

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#### **Cons:**

1. **High Initial Cost** Rexroth components are premium-priced, which may be a significant investment compared to generic or aftermarket alternatives.

2. **Potential Overkill for Light-Duty Applications** If the valve is being used in a low-pressure or low-demand system, its robust design may be unnecessary, leading to wasted cost.

3. **Complex Installation and Calibration** Hydraulic relief valves require precise installation and pressure setting. Incorrect setup can lead to system inefficiencies or failures, which may necessitate professional assistance.

4. **Maintenance Requirements** While durable, the valve will still require periodic inspection for wear, leaks, or contamination. Neglecting maintenance can reduce its lifespan.

5. **Limited Customization for Non-Standard Systems** If the system has non-standard hydraulic lines or pressures, compatibility may require additional adapters or modifications, adding complexity.

6. **Potential for Counterfeit Parts** Due to its popularity, there is a risk of purchasing counterfeit or low-quality replicas, which can fail prematurely. Always verify the source and authenticity.

7. **Training and Expertise Needed** Proper troubleshooting and repair of Rexroth valves often require specialized knowledge, which may not be available in-house for all operators.

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### **Conclusion:**

The **Rexroth DB20-1-52/315UV/12 hydraulic relief valve** is an excellent choice for industrial, high-pressure, and long-term applications where reliability and precision are critical. Its robust construction, UV resistance, and compatibility with Rexroth systems make it a strong investment for heavy-duty machinery. However, the higher cost, potential over-engineering for lighter applications, and the need for proper installation and maintenance must be carefully considered.

If your system demands **consistent pressure control, durability, and compatibility with Rexroth components**, this valve is highly recommended. For **budget-conscious or low-demand applications**, evaluating alternatives (such as Bosch Rexroth s lower-cost series or high-quality generic valves) may be more practical.

**Final Recommendation:** Purchase this valve if:

- You operate in an industrial or heavy-duty hydraulic environment.

- Your system already uses Rexroth components.

- You prioritize long-term reliability and precision over initial cost.

Avoid this valve if:

- Your application requires minimal pressure regulation.

- Budget constraints make it difficult to justify the premium price.

- You lack the expertise to properly install and maintain it.

Details:

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part #: db20152315uv12 prices

  • $170.00-$950.00

specifications valvesplumbing:

  • brand: Rexroth
  • mpn: Db20-1-52/315uv/12
  • part type: Hydraulic Valve
  • reference sku: 1762711
  • product condition: Used Excellent

offer valvesplumbing:

  • availability: In Stock
  • quantity: 1
  • best offers: True
  • started: April 23, 2026
  • sold: 0
  • options: Ship-to-home

general valvesplumbing:

  • Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
  • condition: Used

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part type: hydraulic valve, reference sku: 1762711, product condition: used excellent,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > valves manifolds, sku: 23984714846552892,
Rexroth DB20-1-52-315UV-12 Is Similar To:
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5 offers $170.00–$950.00 USD
  • New – Open box. Offer #1 priced at $170.00 + $26.67 shipping estimate = $196.67* total. NEW, NO BOX.+$26.67 shipping
  • New – Open box. Offer #2 priced at $950.00 + $221.47 shipping estimate = $1171.47* total. +$221.47 shipping
  • Used. Offer #3 priced at $683.70 + $0.00 shipping estimate = $683.70* total. Hydraulic Systems. Relief Valves.FREE SHIPPING
  • New. Offer #4 priced at $495.00 + $0.00 shipping estimate = $495.00* total. FREE SHIPPING
  • Used. Offer #5 priced at $696.99 + $117.14 shipping estimate = $814.13* total. Show signs of storage-ware Location: mimic pallet bin 5 mkr.+$117.14 shipping

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