SMC VQ31A1-5Y-C10-F Solenoid Valve

( Brand: Smc ), ( Manufacturer Part Number: VQ31A1-5Y-C10-F ), ( Part Type: Valve Solenoid ), ( Materials Sourced From: Japan ), ( Custom Bundle: No ), ( Valve Operation: Solenoid )

Review SMC Solenoid Valve Used

The **SMC VQ31A1-5Y-C10** is a high-performance, normally closed (NC) solenoid valve designed for precise pneumatic control in industrial automation, manufacturing, and material handling applications. Part of SMC s renowned VQ series, this valve operates on a 5-way, 2-position design, making it ideal for systems requiring complex air flow management, such as clamping, positioning, or actuating mechanisms. Constructed from durable materials, including a robust stainless steel housing and corrosion-resistant components, the VQ31A1-5Y-C10 ensures long-term reliability even in demanding environments where exposure to moisture, dust, or temperature fluctuations is a concern. The valve features a **5Y** (5/8" NPT) port configuration, allowing for seamless integration with standard pneumatic fittings, while the **C10** designation indicates a coil voltage rating of **24V DC**, providing compatibility with a wide range of control systems and power supplies. Its compact yet sturdy design minimizes installation space while maximizing efficiency, making it suitable for both new installations and retrofitting existing pneumatic circuits.

At the heart of the VQ31A1-5Y-C10 is SMC s advanced **direct-acting solenoid technology**, which delivers rapid response times and consistent, repeatable operation. The valve s internal pilot mechanism ensures smooth, silent actuation, reducing noise pollution in sensitive work environments. Its **normally closed (NC) default state** enhances safety by preventing unintended air flow when power is off, while the **5-way configuration** allows for flexible routing of compressed air, enabling bidirectional movement in double-acting cylinders or sequential control in multi-stage pneumatic systems. The valve s **pilot-operated design** also contributes to energy efficiency by minimizing power consumption during operation. Additionally, the VQ31A1-5Y-C10 is equipped with **SMC s patented flow control technology**, which optimizes air flow rates for precise process control, reducing wear on downstream components and improving overall system performance.

For enhanced durability and ease of maintenance, the valve incorporates **sealed internal components**, protecting against contamination from external elements. The **quick-disconnect fittings** simplify installation and servicing, allowing for rapid replacement or adjustment without the need for specialized tools. The VQ31A1-5Y-C10 is also engineered to withstand **operating pressures up to 10 bar (145 psi)**, ensuring robust performance in high-pressure applications. Its compatibility with **SMC s extensive range of accessories**, such as flow regulators, silencers, and quick-connect couplings, further expands its versatility, allowing engineers to customize the valve for specific application requirements. Whether deployed in CNC machining centers, packaging machines, or automated assembly lines, this solenoid valve delivers the reliability, precision, and efficiency demanded by modern industrial automation.

### **Pros and Cons of buying a SMC VQ31A1-5Y-C10 Solenoid Valve**

1. **High Reliability and Durability** SMC is a well-established brand known for producing high-quality pneumatic components. The VQ31A1 series is designed for industrial applications, offering long operational life with proper maintenance.

2. **Compact and Space-Efficient Design** The valve s compact size makes it suitable for installations where space is limited, making it ideal for automated machinery, robotics, or compact pneumatic systems.

3. **Versatile Operating Conditions** It is rated for a wide temperature range (-10 C to 80 C) and can handle pressures up to 10 bar (145 psi), making it adaptable to various industrial environments.

4. **Fast Response Time** The solenoid design ensures quick actuation, which is beneficial in applications requiring rapid pneumatic control, such as packaging machines or automated assembly lines.

5. **Easy Integration with SMC Systems** Since it is part of SMC s product line, it is designed to work seamlessly with other SMC components like compressors, filters, and regulators, simplifying system setup.

6. **Standardized and Available Parts** Being a widely used model, replacement parts and technical support are readily available, reducing downtime in case of failures.

7. **Low Maintenance Requirements** The valve is designed for minimal upkeep, with features like self-lubricating seals and durable internal components reducing wear and tear over time.

8. **Multiple Connection Options** It supports both M5 and M8 thread sizes for electrical connections, providing flexibility in wiring setups.

9. **Energy-Efficient Operation** The solenoid is designed to consume minimal power when activated, which can contribute to lower operational costs in continuous-use applications.

10. **CE and Safety Certifications** The valve meets European safety standards (CE), ensuring compliance with industrial regulations in many markets.

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1. **Higher Upfront Cost** Compared to some generic or lesser-known brands, SMC valves are premium-priced, which may be a barrier for budget-conscious buyers or small-scale operations.

2. **Potential for Overkill in Low-Demand Applications** If the application does not require high precision or rapid cycling, a more basic or lower-cost valve might suffice, making this model unnecessarily expensive.

3. **Limited Customization** The VQ31A1 is a standard model with fixed specifications (e.g., port size, voltage). Custom modifications (e.g., different pressure ratings or mounting styles) may require additional components or third-party solutions.

4. **Dependence on SMC s Ecosystem** While beneficial for compatibility, relying solely on SMC components can limit flexibility if switching to a different brand s system in the future.

5. **Sensitivity to Contaminants** Like most pneumatic valves, it can be affected by dirt, moisture, or debris in the air supply. Proper filtration is essential to maintain performance and longevity.

6. **Voltage-Specific Requirements** The model is designed for 24V DC or AC operation. Mismatched voltage supplies can damage the solenoid, requiring careful selection of power sources.

7. **Potential for Leakage Over Time** As with all pneumatic valves, seals may degrade with prolonged use, leading to minor leaks. Regular inspections and maintenance are necessary to prevent efficiency losses.

8. **Learning Curve for Installation** While straightforward, improper installation (e.g., incorrect wiring or mounting) can lead to malfunctions. Users unfamiliar with pneumatic systems may require training or assistance.

9. **Limited Global Availability of Spare Parts** Outside major markets (e.g., Europe, North America), sourcing spare parts or authorized service centers may be challenging, potentially increasing downtime.

10. **Noise Considerations** Like many pneumatic valves, it can produce operational noise, which may be a concern in sensitive environments (e.g., cleanrooms or noise-restricted areas).

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The **SMC VQ31A1-5Y-C10 solenoid valve** is an excellent choice for industrial applications requiring **reliability, precision, and compatibility with SMC s pneumatic systems**. Its compact design, fast response, and durability make it ideal for automated machinery, robotics, and high-cycle applications where downtime cannot be tolerated. However, its **higher cost, limited customization, and dependency on SMC s ecosystem** may not justify its purchase for low-demand or non-industrial uses.

For **small businesses, hobbyists, or applications with modest requirements**, a more affordable generic valve might be sufficient. Conversely, **large-scale industrial users, automation integrators, or those already invested in SMC systems** will likely find this valve to be a **cost-effective and high-performance solution** in the long run.

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- You are working in an **industrial or automated environment** where reliability and compatibility with SMC components are critical.

- Your application demands **fast response times, compact installation, or high-cycle operation**.

- You prioritize **long-term durability and easy maintenance** over initial cost savings.

- You require **CE-certified and standardized parts** for regulatory compliance.

- Your budget is **strictly limited**, and you can find a similarly performing valve at a lower cost from another reputable brand (e.g., Festo, ASCO, or local manufacturers).

- Your application is **low-pressure or low-frequency**, making a simpler valve more than adequate.

- You anticipate **frequent customization needs** (e.g., non-standard voltages, mounting, or pressure ratings), as this model offers limited flexibility.

- You operate in a **region with limited SMC support**, where sourcing parts or service may be difficult.

For most **serious industrial or automation projects**, the VQ31A1-5Y-C10 is a **strong recommendation** due to its proven performance and compatibility. However, always **compare total cost of ownership** (including maintenance, energy use, and downtime risks) against alternatives before finalizing a purchase.

Details:

Will combine shipping if applicable. Minor surface flaws. SMC VQ31A1-5Y-C10-F Solenoid Valve, used, Used but in good condition. Removed from working environment.

SMC brand Number VQ31A1-5Y-C10-F Pilot operated solenoid valve Dry air 2 port Normally closed 24VDC coil 10mm grommet entry Made in Japan View all photos. Sold as is, Pilot operated solenoid valve. Dirty from previous install and storage.

part #: vq31a15yc10 price

• $39.99

specifications valvesplumbing:

• brand: Smc
• mpn: Vq31a1-5y-c10-f
• part type: Valve Solenoid
• materials sourced from: Japan
• custom bundle: No
• valve operation: Solenoid

payments valvesplumbing:

• other
• credit card: Mastercard
• wallet: Paypal

returns valvesplumbing:

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

seller valvesplumbing:

• city: Delta, Ohio
• # reviews: 948
• rating: 100.0%

offer valvesplumbing:

• availability: In Stock
• quantity: 2
• sold: 0
• best offers: True
• options: Ship-to-home
• started: May 19, 2026

shipping valvesplumbing:

• transit: 3-8 Days
• service: USPS Ground Advantage
• cost: $10.95
• type: Calculated
• class: Standard
• carrier: USPS

general valvesplumbing:

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

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