SMC VQZ2151-3YZ1 Manifold Solenoid Air Valve 6X 24VDC 0.15 0.7MPA

( Brand: Smc ), ( Manufacturer Part Number: VQZ2151-3YZ1 ), ( Part Type: Valve Manifold Solenoid ), ( Suitable Media: Air ), ( Valve Operation: Solenoid ), ( Country Of Origin: Japan )

Review SMC Manifold 6x Solenoid Air Valve 24vdc 0.15

The **SMC VQZ2151-3YZ1** is a high-performance, normally closed solenoid air valve designed for precise control in pneumatic automation systems, offering reliability and efficiency in demanding industrial applications. Part of SMC s renowned VQZ series, this **6-way, 3-position valve** features a robust and compact design optimized for cleanroom environments and applications requiring strict air quality standards, such as food and beverage processing, pharmaceutical manufacturing, or automated assembly lines. With a **24VDC power supply**, it delivers consistent and responsive operation, making it ideal for integration with PLCs, control panels, or standalone pneumatic circuits where low-voltage compatibility is essential. The valve operates at a **working pressure of up to 0.7 MPa (7 bar)**, ensuring robust performance across a wide range of pneumatic tasks, from light-duty sequencing to medium-force actuation in automated machinery.

Engineered with **SMC s advanced solenoid technology**, the VQZ2151-3YZ1 incorporates a **3/2-way pilot valve** for seamless switching between three distinct positions, enabling flexible control of air flow direction, pressure, and sequencing in complex pneumatic circuits. The **normally closed (NC) configuration** ensures energy efficiency by default, minimizing power consumption when the valve is inactive, while its **quick-exhaust design** reduces response time, enhancing overall system productivity. The valve s **metallic housing and sealed internal components** provide superior durability against wear, corrosion, and contamination, making it suitable for environments with varying humidity or exposure to airborne particles. Additionally, its **compact footprint** allows for easy installation in tight spaces, while the **standard M5 threaded ports** ensure compatibility with a wide range of SMC and third-party pneumatic fittings, simplifying system integration.

For applications requiring **precise flow control**, the VQZ2151-3YZ1 incorporates a **0.15 mm minimum flow rate**, allowing for fine-tuned air regulation in processes such as clamping, positioning, or pneumatic cylinder actuation. The valve s **low-noise operation** and smooth actuation further contribute to a quieter, more efficient workspace, reducing operator fatigue in continuous production environments. Built with **SMC s commitment to quality and reliability**, this solenoid valve undergoes rigorous testing to meet international standards, including **CE and RoHS compliance**, ensuring it meets the highest safety and environmental regulations. Whether deployed in a **pick-and-place system, automated packaging line, or CNC machining auxiliary**, the VQZ2151-3YZ1 delivers dependable performance, making it a versatile choice for engineers and technicians seeking a balance of precision, durability, and ease of use in their pneumatic automation solutions.

### **Pros and Cons of buying a SMC VQZ2151-3YZ1 Manifold 6x Solenoid Air Valve (24VDC, 0.15/0.7 MPa)**

1. **High Reliability and Durability** SMC is a well-established brand in pneumatic automation, known for producing robust and long-lasting components. This valve is designed for industrial use, ensuring consistent performance over extended periods.

2. **Compact and Space-Efficient Design** The manifold-style configuration allows for multiple solenoid valves to be integrated into a single unit, reducing installation space and simplifying wiring and piping.

3. **Versatile 6-Port Configuration** The 6x solenoid design provides flexibility for controlling multiple air circuits from a single manifold, making it suitable for applications requiring sequential or independent valve operation.

4. **Compatibility with Standard Pneumatic Systems** The valve operates at **0.15 MPa (1.5 bar) for pilot control and 0.7 MPa (7 bar) for working pressure**, aligning with common industrial pneumatic setups. It is designed for **24VDC**, which is a standard control voltage in automation.

5. **Quick and Easy Installation** The modular design allows for straightforward mounting on standard pneumatic rails or panels, reducing downtime during setup.

6. **Low Maintenance Requirements** SMC valves are generally low-maintenance, with minimal wear parts and self-cleaning mechanisms in many models, reducing operational costs.

7. **Compatibility with PLC and Control Systems** The 24VDC coil makes it easily integrable with programmable logic controllers (PLCs), allowing for automated control sequences.

8. **Good Flow Rate Capability** The specified pressure rating (0.7 MPa) suggests it can handle moderate to high airflow demands, depending on the application.

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1. **Higher Upfront Cost** Compared to generic or lower-end solenoid valves, SMC components are premium-priced. For small-scale or budget-sensitive applications, this may be a drawback.

2. **Potential Overkill for Low-Pressure Applications** If the application only requires **very low pressure (well below 0.7 MPa)**, a simpler or lower-rated valve might suffice, making this model unnecessarily expensive.

3. **Dependence on SMC-Specific Parts** While SMC is reliable, replacement parts or accessories may be proprietary, increasing long-term dependency on the brand.

4. **Sensitivity to Power Supply Variations** Some solenoid valves, including those from SMC, can be sensitive to voltage fluctuations. A stable **24VDC supply** is essential to prevent malfunctions or premature failure.

5. **Limited Customization** Unlike some brands that offer extensive customization (e.g., different coil voltages, mounting styles), SMC s standard models may not accommodate unique application requirements without additional modifications.

6. **Potential Learning Curve for Non-Experienced Users** Proper installation, wiring, and troubleshooting may require familiarity with pneumatic systems, which could be a challenge for operators without prior experience.

7. **Noise and Vibration in Some Models** While generally quiet, some solenoid valves can produce audible clicks or vibrations during operation, which may be noticeable in sensitive environments.

8. **Environmental Considerations** If used in harsh conditions (e.g., extreme temperatures, high humidity, or corrosive environments), additional sealing or protection may be required, adding to the cost.

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### **Conclusion**

The **SMC VQZ2151-3YZ1 manifold solenoid valve** is an excellent choice for **industrial, automated, or high-reliability pneumatic applications** where space efficiency, durability, and compatibility with standard control systems are priorities. Its **6-port design, 24VDC operation, and robust build** make it well-suited for manufacturing, robotics, or process automation.

However, if the application involves **low-pressure requirements, tight budgets, or non-standard conditions**, alternative valves (e.g., simpler direct-acting solenoids or lower-cost brands) may be more appropriate. The **higher cost and potential over-specification** for some uses must be weighed against the long-term benefits of reliability and ease of integration.

### **Recommendation**

- You need a **multi-port, compact, and reliable** solution for an **industrial pneumatic system**.

- Your application requires **24VDC control** and operates within **0.7 MPa pressure limits**.

- You prioritize **brand reputation, low maintenance, and easy PLC integration**.

- Space efficiency and modularity are critical for your setup.

- Your application only requires **low pressure (below 0.5 MPa)** or minimal airflow.

- Budget constraints make a premium valve unnecessary.

- You need **custom coil voltages, non-standard mounting, or extreme environmental resistance** that SMC does not natively support.

For most **serious pneumatic automation projects**, the **SMC VQZ2151-3YZ1 is a strong, well-supported choice** that balances performance with ease of use. However, always verify compatibility with your specific system before purchasing.

Details:

Series VQZ Body Ported Solenoid Valves combine flexibility with high performance and long life in an inline body style. SMC Manifold w/ 6x VQZ2151-3YZ1 Solenoid Air Valve 24VDC, 0.15 - 0.7MPa, Series VQZ base mount solenoid valves combine convenience with durability and performance in a more traditional mounting style.

part #: vqz21513yz1 prices

• $39.97-$271.90

specifications valvesplumbing:

• brand: Smc
• mpn: Vqz2151-3yz1
• part type: Valve Manifold Solenoid
• suitable media: Air
• valve operation: Solenoid
• country of origin: Japan

seller valvesplumbing:

• rating: 96.7%
• # reviews: 766
• city: Hermosa Beach, California

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general valvesplumbing:

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

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• type: Calculated
• cost: $15.25

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• quantity: 1
• started: February 15, 2026
• availability: In Stock

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