SMC ZK2B12K5CLA-06 Vacuum Ejector Valve 12-24V-DC

( Brand: Smc ), ( Manufacturer Part Number: ZK2B12K5CLA-06 ), ( Part Type: Vacuum Valve ), ( Reference Sku: 1755130 ), ( Product Condition: Used Excellent )

Review SMC Vacuum Ejector Valve

The **SMC ZK2B12K5CLA-06** is a high-performance, precision-engineered **vacuum ejector valve** designed for demanding industrial and automation applications requiring reliable, efficient air-to-vacuum conversion. Part of SMC s renowned **ZK series**, this normally closed (NC) valve operates on a **12-24V DC** control signal, delivering consistent and repeatable performance in environments where compact yet robust pneumatic solutions are essential. Constructed from durable materials, including a **stainless steel or reinforced plastic body** (depending on the variant), the valve is engineered to withstand frequent cycling, high-pressure differentials, and exposure to contaminants, ensuring long-term durability in harsh operating conditions. Its **pilot-operated design** provides rapid response times, minimizing dead time and optimizing system efficiency, while the **sealed internal mechanism** prevents leakage, maintaining vacuum integrity even under fluctuating loads.

The **ZK2B12K5CLA-06** features a **1/4" NPT (male) inlet/outlet connection**, compatible with standard pneumatic fittings, making it versatile for integration into existing systems without complex modifications. Its **normally closed (NC) configuration** ensures that vacuum is only generated when the valve is energized, reducing energy consumption during idle periods and enhancing safety by preventing unintended suction. The valve s **low-power DC actuation** (12-24V) simplifies electrical integration, allowing for easy compatibility with PLCs, relays, or direct wiring in automated machinery, robotics, or packaging systems. Additionally, its **compact footprint** and lightweight design make it ideal for space-constrained applications, such as conveyor systems, material handling, or vacuum-assisted gripping mechanisms, where precision and reliability are critical.

Beyond its functional excellence, the **ZK2B12K5CLA-06** incorporates **SMC s signature quality control standards**, including rigorous testing for leak rates, response speed, and operational lifespan. The valve s **quick-disconnect pilot port** facilitates easy maintenance and calibration, while its **fail-safe design** ensures that in the event of a power failure or signal loss, the valve defaults to a safe, non-active state, mitigating potential system malfunctions. Whether deployed in **automotive assembly lines, food processing equipment, or laboratory instrumentation**, this vacuum ejector valve delivers the precision, endurance, and adaptability required to meet the most exacting industrial demands. With its combination of **reliability, efficiency, and ease of integration**, the **SMC ZK2B12K5CLA-06** stands as a dependable choice for engineers and operators seeking a high-performance pneumatic solution.

**Pros and Cons of buying a SMC ZK2B12K5CLA-06 Vacuum Ejector Valve (12-24V DC)**

### **Pros**

1. **High Performance and Reliability** The SMC ZK2B series is known for its robust construction and consistent operation in industrial applications. The ejector valve is designed to handle precise vacuum generation, making it suitable for applications requiring stable airflow and pressure control.

2. **Wide Voltage Range (12-24V DC)** The dual-voltage compatibility (12V or 24V DC) provides flexibility in system integration, allowing it to work with various control systems without requiring additional voltage conversion.

3. **Compact and Modular Design** The valve is part of SMC s standardized line of pneumatic components, meaning it is easy to integrate into existing systems. Its compact size helps optimize space in control panels or machinery.

4. **Quick and Easy Installation** SMC components are widely available, and the valve features standard mounting and connection methods, reducing installation time and complexity.

5. **Durable Materials** The valve is constructed with materials designed for longevity, including corrosion-resistant coatings and reinforced seals, which extend its operational lifespan in demanding environments.

6. **Compatibility with SMC s Control Systems** If you already use SMC s solenoid valves, regulators, or controllers, this valve will seamlessly integrate, simplifying maintenance and troubleshooting.

7. **Energy Efficiency** Ejector valves are generally more energy-efficient than traditional vacuum pumps for applications where moderate vacuum levels are sufficient.

8. **Low Maintenance Requirements** With proper installation and regular checks, the valve requires minimal upkeep, reducing downtime and operational costs.

---

### **Cons**

1. **Limited Vacuum Range** While effective for many applications, this valve may not generate as strong a vacuum as dedicated vacuum pumps, which could be a limitation for high-demand or large-scale systems.

2. **Dependence on Compressed Air Supply** The ejector valve relies on an external compressed air source to function. If the air supply is inconsistent or insufficient, the valve s performance will degrade.

3. **Higher Initial Cost Compared to Basic Valves** SMC is a premium brand, and while the valve offers reliability, it may be more expensive than generic or lower-end alternatives, especially for small-scale or low-budget projects.

4. **Potential Noise and Vibration** Ejector valves can produce noticeable noise and vibration during operation, which may require additional soundproofing or isolation in sensitive environments.

5. **Specialized Knowledge for Troubleshooting** If issues arise, diagnosing problems may require familiarity with SMC s specific components or consulting their technical support, which could add delays.

6. **Limited Customization** Unlike some other brands, SMC offers fewer customization options for this specific model, which may restrict its use in highly specialized applications.

7. **Environmental Sensitivity** Contaminants in the air supply (e.g., moisture, oil, or particles) can affect performance and longevity, requiring additional filtration or maintenance.

8. **Warranty and Support Dependence** As with all branded components, warranty coverage and customer support quality can vary, potentially leading to delays in resolving issues under warranty.

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### **Conclusion**

The **SMC ZK2B12K5CLA-06 vacuum ejector valve** is an excellent choice for applications requiring **reliable, modular, and efficient vacuum generation** within a **12-24V DC control system**. Its **durability, ease of integration, and compatibility with SMC s ecosystem** make it ideal for industrial, automation, or laboratory settings where consistency and performance are critical.

However, if your application demands **high vacuum levels, extreme durability, or cost-sensitive solutions**, you may need to weigh the pros against alternatives like **dedicated vacuum pumps or lower-cost generic valves**. Additionally, ensure your system has a **stable compressed air supply** and proper filtration to maximize the valve s lifespan.

### **Recommendation**

- You are using SMC components and need seamless integration.

- Your application requires **moderate vacuum levels (typically up to 80% vacuum)** with **12-24V DC control**.

- Reliability, low maintenance, and ease of installation are priorities.

- You have a **consistent compressed air supply** and can accommodate potential noise/vibration.

- You need **stronger vacuum levels** (e.g., >80% vacuum) or **high-volume suction**.

- Budget constraints make premium pricing a concern.

- Your system lacks proper air filtration or compressed air support.

For most **mid-range industrial, automation, or lab applications**, this valve is a **strong, well-supported choice** that balances performance and practicality. Always verify compatibility with your specific system requirements before purchasing.

Details:

Pressure Regulator Valves. Valve Bodies and Manifolds.

part #: zk2b12k5cla06 prices

• $88.73-$188.95

specifications valvesplumbing:

• brand: Smc
• mpn: Zk2b12k5cla-06
• part type: Vacuum Valve
• reference sku: 1755130
• product condition: Used Excellent

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• policy: Returns Accepted

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• rating: 100.0%
• # reviews: 126416
• city: Delta, Ohio

general valvesplumbing:

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

offer valvesplumbing:

• availability: In Stock
• started: April 2, 2026
• sold: 0
• best offers: True
• options: Ship-to-home
• quantity: 1

shipping valvesplumbing:

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

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