SMC VP77-5DZ1-04N-S1-X555 Residual Pressure Release Valve VP700 24V

( Brand: Smc ), ( Manufacturer Part Number: VP77-5DZ1-04N-S1-X555 ), ( Part Type: Pressure Valve 24v ), ( Valve Operation: Solenoid ), ( End A: Npt ), ( Suitable Media: Air ), ( Country Of Origin: Japan ), ( Unit Type: Unit )

Review SMC Residual Pressure Release Valve 24v Dc

The **SMC VP77-5DZ1-04N-S1-X555** is a high-performance **VP700 Series Residual Pressure Release Valve**, engineered to deliver precise pneumatic control in demanding industrial applications where safety, efficiency, and reliability are paramount. Designed for use with **24V DC solenoid operation**, this valve is a critical component in automated systems requiring controlled pressure release, ensuring optimal performance in processes such as blow-off, purging, or emergency venting. The **5/2-way spool valve mechanism** provides seamless switching between normally closed (NC) and normally open (NO) positions, allowing for rapid and accurate pressure relief when triggered, thereby preventing over-pressurization and protecting downstream equipment from potential damage.

Constructed from **high-grade stainless steel and durable polymer materials**, the VP77-5DZ1-04N-S1-X555 is built to withstand harsh environments, including exposure to moisture, dust, and temperature fluctuations, making it ideal for applications in manufacturing, packaging, automotive assembly, and food processing industries. The **5/2-way configuration** ensures a clean, leak-free transition between states, minimizing air loss and maintaining system integrity. The **0.4 mm (400 m) orifice size** allows for efficient airflow while balancing responsiveness with stability, ensuring that pressure release occurs smoothly without abrupt surges that could disrupt production cycles.

The valve s **24V DC solenoid** is designed for low-power operation, reducing energy consumption while maintaining robust performance. The **X555 series** designation indicates a compact yet robust housing, optimized for integration into tight spaces without compromising functionality. The **S1 designation** signifies a specific mounting style, compatible with standard SMC fittings, ensuring easy installation and compatibility with existing pneumatic systems. Additionally, the valve incorporates **SMC s advanced sealing technology**, featuring a durable elastomeric seal that resists wear and tear, extending the valve s operational lifespan and reducing maintenance requirements.

For applications requiring **precise control and safety**, the VP77-5DZ1-04N-S1-X555 excels as a reliable solution, offering both **normally closed (NC) and normally open (NO) operation** depending on power supply conditions. Its **fail-safe design** ensures that in the event of a power failure or solenoid malfunction, the valve defaults to a safe state, preventing unintended pressure buildup. The valve s **low noise operation** and smooth actuation further enhance its suitability for environments where operational quietness is a priority, such as in cleanroom applications or noise-sensitive facilities.

Whether deployed in **automated assembly lines, pneumatic conveying systems, or emergency venting applications**, this residual pressure release valve delivers **consistent, repeatable performance** with minimal maintenance. Its **modular design** allows for easy integration into larger pneumatic control systems, while its **high-quality construction** ensures long-term reliability in even the most demanding industrial settings. For engineers and operators seeking a **precise, durable, and energy-efficient** solution for pressure management, the SMC VP77-5DZ1-04N-S1-X555 represents a superior choice in pneumatic valve technology.

The **SMC VP77-5DZ1-04N-S1-X555** is a **24V residual pressure release valve** designed for pneumatic systems, specifically for use with the **VP700 series**. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the SMC VP77-5DZ1-04N-S1-X555**

1. **High-Quality Brand Reliability**

- SMC is a well-established manufacturer in pneumatic automation, known for durable, precise, and reliable components. Their valves are widely used in industrial applications, ensuring compatibility with other SMC systems.

2. **Precision and Control**

- The valve is designed for **residual pressure release**, which helps in maintaining system stability by preventing excessive pressure buildup in pneumatic circuits. This is particularly useful in applications requiring controlled exhaust or pressure relief.

3. **Compatibility with SMC Systems**

- As part of the **VP700 series**, this valve integrates seamlessly with other SMC components, such as directional control valves, cylinders, and regulators. This makes it ideal for existing SMC-based setups without requiring additional adapters or modifications.

4. **Compact and Modular Design**

- The valve is part of SMC s modular valve manifold system, allowing for easy installation and reconfiguration. This modularity simplifies system maintenance and expansion.

5. **Electrically Actuated (24V)**

- The 24V electrical operation provides precise control via PLCs or other automation systems. This makes it suitable for automated processes where manual intervention is minimized.

6. **Low Leakage and High Efficiency**

- SMC valves are generally designed to minimize internal leakage, improving system efficiency and reducing energy waste. The residual pressure release function ensures that trapped air is expelled effectively.

7. **Wide Range of Applications**

- Suitable for industries such as **automotive, packaging, robotics, and general automation**, where controlled pneumatic exhaust is required.

8. **Long Lifespan and Durability**

- SMC components are built to withstand frequent cycling and harsh environments, reducing downtime and maintenance costs over the long term.

9. **Technical Support and Documentation**

- SMC provides comprehensive technical documentation, including wiring diagrams, installation guides, and troubleshooting resources, which aids in proper setup and maintenance.

10. **Future-Proofing**

- Since SMC is a global leader, this valve is likely to remain supported and compatible with future SMC innovations.

---

### **Cons of the SMC VP77-5DZ1-04N-S1-X555**

1. **Higher Upfront Cost**

- Compared to generic or non-branded pneumatic valves, SMC components are typically more expensive. This may be a barrier for small businesses or budget-conscious projects.

2. **Dependence on SMC Ecosystem**

- While the valve integrates well with SMC systems, using it in a mixed-brand setup (e.g., with non-SMC directional valves or cylinders) may require additional adapters or compatibility checks, potentially adding complexity.

3. **Electrical Requirements**

- The 24V requirement means the system must have a compatible power supply. In some cases, this may necessitate additional wiring or voltage conversion, adding to installation costs.

4. **Limited Customization**

- Like most standard SMC valves, this model has fixed specifications (e.g., flow rate, pressure rating). If your application requires non-standard parameters, you may need to source a different model or modify the system.

5. **Potential for Overkill in Simple Applications**

- For very basic pneumatic systems where residual pressure release is not a critical function, a simpler and cheaper valve (e.g., a basic exhaust valve) might suffice. Over-specifying can lead to unnecessary costs.

6. **Maintenance Dependency on System Health**

- While durable, the valve s performance relies on the overall health of the pneumatic system (e.g., clean air supply, proper lubrication). Poor system maintenance can reduce the valve s effectiveness.

7. **Lead Times for Replacement Parts**

- As with many branded components, replacement parts or entire valves may have longer lead times compared to generic alternatives, which could cause delays in maintenance or repairs.

8. **Learning Curve for Non-SMC Users**

- Users unfamiliar with SMC s valve numbering system or wiring conventions may require additional training or documentation to install and configure the valve correctly.

9. **Potential for Misapplication**

- If the valve is not properly sized for the application (e.g., insufficient flow rate for the system s demands), it may not perform optimally, leading to inefficiencies or failures.

10. **Environmental Considerations**

- In dusty or corrosive environments, additional protection (e.g., filters, seals) may be needed to prevent premature wear, adding to maintenance requirements.

---

### **Conclusion**

The **SMC VP77-5DZ1-04N-S1-X555** is a **high-quality, reliable, and precise** residual pressure release valve that excels in **automated pneumatic systems** where integration with SMC components is desired. Its strengths lie in **durability, control, and compatibility**, making it ideal for industrial applications requiring consistent performance. However, its **higher cost, ecosystem dependency, and potential over-specification for simple applications** may not make it the best choice for all users.

For **large-scale industrial automation, robotics, or applications where SMC compatibility is critical**, this valve is a strong recommendation. For **smaller projects, budget-sensitive setups, or non-SMC systems**, alternatives (e.g., generic 24V exhaust valves or lower-cost brands) may be more appropriate.

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### **Recommendation**

- You are working within an **existing SMC pneumatic system** and require precise residual pressure control.

- Your application demands **high reliability, long-term durability, and integration with SMC components**.

- You prioritize **technical support, modularity, and future-proofing** over cost savings.

- The system s **flow rate and pressure requirements align with the valve s specifications**.

- Your budget is **limited**, and a lower-cost valve (e.g., from Festo, Parker, or a generic brand) meets your needs.

- You are **not using SMC components**, and compatibility is a concern.

- The application is **simple and does not require advanced features** like residual pressure release.

- You need **faster lead times or easier availability** of parts.

For most **industrial or automation-focused users**, the SMC valve is a **solid investment** due to its performance and reliability. However, always verify the **specific flow rate, pressure rating, and system compatibility** before purchasing to ensure it meets your exact requirements.

Details:

The coil operates at 24V DC with a DIN terminal electrical entry that includes built-in light and surge voltage suppressor. This part was removed from a working production environment. Used items show signs of use; if a part has visible wear, damage, or missing component, the condition will say so. Body Material: Die-Cast Aluminium.

Actuation: Piloted Solenoid Internal Pilot. Operating Media: Air. Technical Specifications: Brand: SMC. Port connections are 1/2 in NPT code 04N with an internal pilot operating pressure range of 0.25 to 0.7 Map approx.

Country of Origin: Japan. Your optima is our bottom line. This valve is designed for use in safety systems requiring redundant pressure release. Shipping Handling: Domestic shipping via USPS Ground Advantage, Priority Mail, or UPS Next Day Air.

This valve is normally closed spring return, internally piloted, and configured as 3-port / 2-position with a single solenoid. Number of Solenoids: Single. Condition: Used. Electrical Entry: DIN Terminal with Light/Surge voltage Suppressor.

Seal Material: Rubber.: The SMC VP77-5DZ1-04N-S1-X555 is a 3-port dual residual pressure release solenoid valve in the VP700 series VP500/700-X555 sub-series.

part #: vp775dz104ns1x555 prices

• $76.86-$249.99

specifications valvesplumbing:

• brand: Smc
• mpn: Vp77-5dz1-04n-s1-x555
• part type: Pressure Valve 24v
• valve operation: Solenoid
• end a: Npt
• suitable media: Air
• country of origin: Japan
• unit type: Unit

offer valvesplumbing:

• options: Ship-to-home
• sold: 0
• started: May 30, 2026
• availability: In Stock
• quantity: 1
• best offers: True

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returns valvesplumbing:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days
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general valvesplumbing:

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

shipping valvesplumbing:

• carrier: USPS, UPS
• service: USPS Ground Advantage, USPS Priority Mail, UPS Next Day Air
• class: Standard, Expedited, One-day
• type: Calculated
• transit: 4-9 Days
• cost: $13.81

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• city: Mansfield, Ohio
• # reviews: 737
• rating: 100.0%

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