REXROTH ZDB6VA2-42-100V Hydraulic Relief Valve ZDB6VA2-42/100V

( Brand: Rexroth ), ( Manufacturer Part Number: ZDB6VA2-42/100V ), ( Part Type: Hydraulic Valve ), ( Reference Sku: 1766274 ), ( Product Condition: Used Excellent )

Review REXROTH Zdb6va2-42/100v Hydraulic Relief Valve

The **Bosch Rexroth ZDB6VA2-42/100V** is a high-performance, pilot-operated hydraulic relief valve designed for precision control and reliable protection in demanding industrial hydraulic systems. Part of Rexroth s renowned ZDB series, this valve is engineered to maintain system pressure within tightly specified limits while ensuring smooth operation and minimal pressure fluctuations. The **42 mm spool size** provides a robust flow capacity, making it suitable for medium to large hydraulic circuits where consistent pressure regulation is critical, such as in mobile machinery, construction equipment, or industrial presses. Its **100V (100 bar) nominal pressure rating** ensures it can handle high-pressure applications without compromising on durability, offering a balanced solution for systems requiring both efficiency and longevity.

The valve operates on a pilot-controlled principle, where an internal pilot stage modulates the main spool to achieve precise pressure regulation. This design minimizes pressure spikes and reduces system wear, contributing to extended component life and improved overall system performance. The **VA2 variant** incorporates a spring-adjustable pressure setting, allowing for easy field adjustments to accommodate varying operational requirements without the need for specialized tools. This feature enhances flexibility in system design, enabling engineers to fine-tune pressure thresholds to match specific application demands, whether for hydraulic cylinders, pumps, or other actuators.

Constructed with high-quality materials, the ZDB6VA2-42/100V is built to withstand harsh operating conditions, including exposure to contaminants, temperature fluctuations, and mechanical stress. Its robust housing and precision-machined components ensure consistent performance even under demanding cycles, while the sealed design helps prevent fluid leakage and contamination, reducing maintenance requirements. The valve s compact yet sturdy construction also allows for easy integration into existing hydraulic circuits, making it a versatile choice for both new installations and retrofits.

For applications requiring enhanced safety and reliability, the ZDB6VA2-42/100V can be paired with Rexroth s advanced control systems, such as electronic pressure control modules or proportional solenoids, enabling seamless integration into modern hydraulic management solutions. Its compatibility with Rexroth s broader range of components including pumps, valves, and actuators ensures seamless interoperability and system-wide efficiency. Whether deployed in heavy-duty construction equipment, agricultural machinery, or industrial automation, this relief valve delivers the precision, durability, and adaptability needed to optimize hydraulic performance while safeguarding system integrity.

### **Pros and Cons of buying a Rexroth ZDB6VA2-42/100V Hydraulic Relief Valve**

#### **Pros**

1. **High Quality and Reliability** Rexroth is a well-established brand under Bosch, known for precision engineering and durable hydraulic components. This valve is designed for industrial applications, ensuring long-term performance under demanding conditions.

2. **Precision Adjustment and Performance** The valve features a spring-loaded mechanism that allows for fine-tuning of pressure settings, making it suitable for systems requiring consistent and accurate pressure regulation.

3. **Compatibility with Industrial Systems** The **ZDB6VA2** series is designed for use in hydraulic circuits where reliable pressure control is critical, such as in mobile machinery, presses, or heavy-duty equipment.

4. **Modular and Easy Integration** The valve is part of Rexroth s standardized line, meaning it can be easily integrated into existing hydraulic systems with minimal modifications.

5. **Voltage Control Option (100V)** The **/100V** designation suggests it may include electronic or pilot control capabilities, allowing for remote or automated pressure adjustments, which can improve system efficiency.

6. **Wide Pressure Range** The **42** designation likely refers to a pressure rating (e.g., 420 bar or similar), making it suitable for high-pressure applications without excessive wear.

7. **Aftermarket Support** Rexroth components are widely available, and spare parts, service manuals, and technical support are generally accessible, reducing downtime.

8. **Energy Efficiency** Properly functioning relief valves prevent pressure spikes, which can reduce energy waste and extend the life of other hydraulic components.

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#### **Cons**

1. **Higher Initial Cost** Compared to generic or lower-end brands, Rexroth components are premium-priced, which may be a barrier for budget-conscious buyers or small-scale operations.

2. **Potential Overkill for Low-Demand Applications** If the system does not require high precision or frequent pressure adjustments, a simpler, less expensive relief valve might suffice.

3. **Specialized Knowledge Required** Proper installation, calibration, and maintenance of Rexroth valves may require trained hydraulic technicians, adding to operational costs.

4. **Limited Customization** While Rexroth offers a range of standard valves, heavily customized pressure settings or unique mounting requirements may require additional modifications.

5. **Potential for Counterfeit Parts** Due to its popularity, there is a risk of purchasing counterfeit Rexroth valves, which may fail prematurely or lack warranty support. Always verify authenticity from authorized dealers.

6. **Maintenance Requirements** Like all hydraulic components, this valve will need periodic inspection, cleaning, and spring adjustments to maintain optimal performance, adding to long-term maintenance costs.

7. **Compatibility Issues with Non-Standard Systems** If the hydraulic system uses non-standard fittings, pressures, or flow rates, the valve may not integrate seamlessly without additional adapters or modifications.

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### **Conclusion**

The **Rexroth ZDB6VA2-42/100V hydraulic relief valve** is an excellent choice for industrial applications where **reliability, precision, and durability** are critical. Its high-quality construction, electronic control options, and compatibility with professional hydraulic systems make it a strong investment for businesses that prioritize performance and longevity. However, the **higher cost, need for technical expertise, and potential over-specification for simpler systems** may not justify the purchase for all users.

### **Recommendation**

- You operate in an industrial or heavy-duty hydraulic environment where reliability is non-negotiable.

- Your system requires **precise pressure control**, remote adjustment, or high-pressure handling.

- You have access to trained personnel for installation and maintenance.

- You value **long-term durability** and are willing to invest in a premium component.

- Your application is **low-pressure or low-demand**, and a cheaper, simpler valve would suffice.

- You lack the expertise to properly install or maintain high-end hydraulic components.

- Budget constraints make the premium price prohibitive, and a reputable mid-range brand (e.g., Parker, Bosch, or Moog) could meet your needs at a lower cost.

For most **commercial, industrial, or mobile hydraulic systems**, the **ZDB6VA2-42/100V** is a **strong recommendation** due to its proven performance. However, always verify the exact specifications (pressure rating, flow rate, and system compatibility) before purchasing to ensure it meets your requirements.

Details:

Hydraulic Filters. Hydraulic Motors. Model Number:ZDB6VA2-42/100V. Relief Valves.

Hydraulic Cylinders. Hydraulic Hoses.

part #: zdb6va242100v prices

• $170.00-$410.00

specifications valvesplumbing:

• brand: Rexroth
• mpn: Zdb6va2-42/100v
• part type: Hydraulic Valve
• reference sku: 1766274
• product condition: Used Excellent

offer valvesplumbing:

• best offers: True
• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: May 7, 2026

general valvesplumbing:

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

shipping valvesplumbing:

• transit: 6-6 Days
• service: Standard, Expedited, Overnight
• cost: $0.00
• class: Standard, Expedited, One-day
• type: Fixed

returns valvesplumbing:

• policy: Returns Accepted
• time: 30 Days
• method: Money back
• paid by: Seller

payments valvesplumbing:

• wallet: Google-pay
• credit card: Discover
• other

seller valvesplumbing:

• city: Delta, Ohio
• rating: 100.0%
• # reviews: 128330

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