SMC SY5520-5LZ-C6 Solenoid Valve

( Brand: Smc ), ( Manufacturer Part Number: SY5520-5LZ-C6 ), ( Part Type: Valve Solenoid ), ( Valve Operation: Solenoid ), ( Country Of Origin: Japan )

Review SMC Solenoid Valve Warranty And Free Shipping

The **SMC SY5520-5LZ-C6** is a high-performance, normally closed (NC) solenoid valve designed for precise pneumatic control in industrial automation, robotics, and manufacturing applications. Part of SMC s renowned **SY series**, this valve operates on a **5/2-way principle**, delivering reliable and efficient air control with minimal response time. Constructed from durable **aluminum alloy** for lightweight yet robust performance, the valve features a **compact, modular design** that integrates seamlessly into automated systems, reducing installation complexity while maximizing space efficiency. Its **direct-acting solenoid** ensures rapid activation and deactivation, making it ideal for applications requiring quick and repeatable switching, such as clamping, positioning, or pneumatic actuation in assembly lines.

The **SY5520-5LZ-C6** is engineered for **5-bar (72.5 psi) working pressure**, delivering consistent airflow with a **flow rate of 550 L/min (20 CFM)** at 6 bar, ensuring high-volume applications remain responsive without compromising stability. The valve s **normally closed (NC) configuration** provides inherent safety by defaulting to a sealed state when de-energized, preventing unintended air release and reducing energy consumption during idle periods. Its **C6 connection type** features **M10 x 1.5 female threads** on both the inlet and outlet ports, compatible with standard pneumatic fittings, while the **LZ variant** incorporates a **low-noise design**, minimizing operational disturbances in sensitive environments.

For enhanced reliability, the valve incorporates **SMC s advanced sealing technology**, utilizing **Viton or NBR elastomers** (depending on the application) to resist wear, temperature fluctuations, and chemical exposure, ensuring long-term durability even in demanding conditions. The **integrated magnetic latch mechanism** allows for **low-power holding**, significantly reducing energy consumption during sustained activation while maintaining quick response times. Additionally, the valve s **compact size (55.5 mm in diameter)** and **modular mounting options** make it versatile for integration into control panels, manifolds, or direct line installations, catering to both OEM and retrofitting applications.

SMC s **SY series** is renowned for its **high repeatability and precision**, making the **SY5520-5LZ-C6** an excellent choice for applications requiring consistent performance, such as in **pick-and-place systems, CNC machining, packaging equipment, or automated testing rigs**. The valve s **CE and RoHS compliance** ensures adherence to global safety and environmental regulations, while its **wide operating temperature range (-10 C to 60 C)** expands its usability in diverse industrial settings. Whether deployed in **high-speed production lines or precision automation**, this solenoid valve delivers **superior control, durability, and efficiency**, reinforcing SMC s reputation for delivering innovative pneumatic solutions that enhance productivity and operational reliability.

### **Pros and Cons of buying a SMC SY5520-5LZ-C6 Solenoid Valve**

1. **High Reliability and Durability** The SMC SY5520 series is known for robust construction, making it suitable for industrial applications with frequent cycling. The valve is designed to withstand high-pressure and temperature variations, ensuring long-term performance.

2. **Precise Control** This normally closed (NC) 2/2-way valve provides accurate on/off control, making it ideal for pneumatic systems where precise actuation is required. The coil design ensures quick response times, reducing system lag.

3. **Compatibility with SMC Systems** As part of SMC s modular range, it integrates seamlessly with other components in their pneumatic system, simplifying maintenance and troubleshooting. The valve s standard mounting and connection sizes (e.g., 6mm port size) ensure easy installation.

4. **Energy Efficiency** The valve s coil is designed to consume minimal power while maintaining fast switching, which can reduce overall energy costs in automated systems.

5. **Wide Operating Range** It operates effectively across a broad temperature range (-10 C to 60 C) and pressure range (0.2 to 10 bar), making it versatile for various applications, including packaging, assembly, and material handling.

6. **Low Maintenance** SMC valves are engineered for minimal wear, reducing the need for frequent servicing. The internal seals and components are designed to last, lowering downtime.

7. **Global Availability and Support** SMC is a well-established brand with extensive global distribution, ensuring easy access to spare parts, technical support, and documentation.

8. **Safety Features** The valve includes built-in protection against overpressure and electrical overload, enhancing system safety.

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1. **Higher Upfront Cost** Compared to generic or lower-end solenoid valves, SMC products are premium-priced. For budget-conscious applications, alternatives may exist, though they may lack reliability or support.

2. **Specialized Knowledge Required** While user-friendly, SMC valves benefit from proper installation and configuration. Improper wiring or mounting can lead to premature failure, requiring technical expertise.

3. **Limited Customization** The SY5520-5LZ-C6 is a standard model with fixed specifications (e.g., port size, coil voltage). Custom modifications (e.g., different voltage, mounting style) may require additional components or third-party solutions.

4. **Coil Sensitivity to Voltage Fluctuations** Like many solenoid valves, it may experience slower response or failure if subjected to inconsistent power supply (e.g., voltage spikes or drops). A stable power source is recommended.

5. **Replacement Parts Dependency** Since SMC is a proprietary system, replacement parts or compatible alternatives may not always be readily available from third-party suppliers, potentially increasing long-term costs.

6. **Size and Installation Space** The valve s compact design is an advantage, but in tight spaces, mounting brackets or additional fittings may be needed, adding complexity to installation.

7. **No Built-in Diagnostics** Unlike some advanced industrial valves, this model lacks integrated diagnostic features (e.g., fault monitoring) that could alert operators to issues before failure occurs.

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### **Conclusion**

The **SMC SY5520-5LZ-C6** is an excellent choice for applications requiring **reliable, precise, and low-maintenance pneumatic control**. Its robustness, compatibility with SMC systems, and wide operating range make it suitable for industrial environments where downtime cannot be tolerated. However, its **higher cost and dependency on SMC s ecosystem** may be drawbacks for cost-sensitive or non-SMC-integrated setups.

For **general-purpose pneumatic systems** (e.g., automation, packaging, or material handling) where reliability is critical, this valve is highly recommended. If budget constraints or non-standard requirements exist, alternatives should be evaluated carefully.

### **Recommendation**

- You are already using SMC components and need seamless integration.

- Reliability and long-term performance are priorities over cost.

- Your application demands precise, fast-acting control with minimal maintenance.

- You have access to SMC s technical support and spare parts.

- Your budget is tight, and you can find a similarly rated generic valve with comparable performance.

- You require custom voltage or mounting options not supported by this model.

- Your system lacks a stable power supply, which could affect valve performance.

For most industrial applications where **consistency and durability** are key, the SMC SY5520-5LZ-C6 remains a strong and justified investment.

Details:

Free shipping in the continental US. 60 day warranty included. SMC Solenoid Valve SY5520-5LZ-C6 Used in good working condition.

part #: sy55205lzc6 price

• $29.99

specifications valvesplumbing:

• brand: Smc
• mpn: Sy5520-5lz-c6
• part type: Valve Solenoid
• valve operation: Solenoid
• country of origin: Japan

payments valvesplumbing:

• credit card: Visa
• other
• wallet: Apple-pay

returns valvesplumbing:

• paid by: Buyer
• method: Money back
• policy: Returns Accepted
• time: 60 Days

offer valvesplumbing:

• started: May 31, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• best offers: True

general valvesplumbing:

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

seller valvesplumbing:

• # reviews: 2029
• city: Maryville, Tennessee
• rating: 100.0%

shipping valvesplumbing:

• transit: 4-8 Days
• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• cost: $0.00
• carrier: USPS

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