SMC MKB63-20RZ Hydraulic Pneumatic Cylinders

( Brand: Smc ), ( Manufacturer Part Number: MKB63-20RZ ), ( Part Type: Hydraulic Pneumatic Cylinder )

Review SMC Mkb6320rz Used

The **SMC MKB63-20RZ (or MKB6320RZ)** is a high-performance, compact pneumatic cylinder designed for precision control and reliable operation in industrial automation, robotics, and material handling applications. Part of SMC s MKB series, this double-acting, rod-end cylinder features a robust construction optimized for durability and efficiency, making it ideal for environments where space is limited but performance demands are high. With a **20 mm bore diameter**, it delivers a balanced force output of **1,000 N (100 kgf)** at a standard working pressure of **0.6 MPa (6 bar)**, ensuring consistent and repeatable motion for tasks ranging from light assembly to medium-duty positioning. The cylinder s **aluminum alloy housing** reduces weight while maintaining structural integrity, contributing to faster response times and lower energy consumption compared to heavier steel alternatives. Its **rod-end mounting** allows for versatile integration into robotic arms, conveyor systems, or automated machinery, where compactness and precision are critical.

Engineered with SMC s signature attention to detail, the MKB63-20RZ incorporates a **sealed piston rod** to prevent contamination and ensure smooth, vibration-free operation, even in dusty or corrosive environments. The cylinder s **internal piston design** minimizes friction, extending the lifespan of seals and reducing maintenance requirements, while the **integrated cushioning system** on both the extension and retraction strokes dampens impact, protecting both the cylinder and connected components from wear. For enhanced safety and reliability, the unit is equipped with **SMC s proprietary sealing technology**, which resists oil migration and temperature fluctuations, making it suitable for applications with varying operational conditions. The cylinder s **quick-connect fittings** (compatible with SMC s standard piping systems) simplify installation and reduce downtime during setup or maintenance, while its **compact stroke length** (adjustable based on application needs) ensures it fits seamlessly into tight spaces without compromising performance.

Beyond its mechanical advantages, the MKB63-20RZ is designed with **energy efficiency** in mind, featuring a **low-leakage valve system** that minimizes air consumption and operational costs. Its compatibility with SMC s **proportional and servo valves** allows for precise speed and force control, enabling applications that require smooth, synchronized movements such as pick-and-place operations, clamping, or indexing tasks. The cylinder s **modular design** also supports easy customization, with options for extended stroke lengths, different rod materials (e.g., stainless steel for corrosion resistance), and additional mounting accessories. Whether deployed in a high-speed packaging line, a CNC machining center, or a robotic sorting system, the MKB63-20RZ delivers a perfect blend of compactness, precision, and longevity, reinforcing SMC s reputation for delivering pneumatic solutions that meet the evolving demands of modern automation.

The **SMC MKB63-20RZ (or MKB63-20RZ-M)** is a pneumatic solenoid valve used for controlling air or gas flow in automation systems. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the SMC MKB63-20RZ**

1. **High Reliability and Durability**

The MKB63 series is designed for industrial applications, featuring robust construction with materials resistant to wear, corrosion, and temperature fluctuations. SMC is a well-established brand known for quality pneumatic components, ensuring long-term performance in demanding environments.

2. **Compact and Space-Efficient Design**

The valve is compact, making it suitable for installations where space is limited. Its modular design allows for easy integration into existing pneumatic systems without requiring significant modifications.

3. **Versatile Compatibility**

- Works with compressed air (standard) and can be adapted for other gases (e.g., nitrogen) with proper fittings.

- Compatible with SMC s extensive range of actuators, cylinders, and control systems, simplifying system integration.

- Supports both 24V DC and 230V AC power (depending on the model variant), offering flexibility in electrical control setups.

4. **Fast Response Time**

The valve is designed for quick actuation, which is critical in automated processes where rapid flow control is required. This makes it suitable for high-speed applications like packaging, assembly lines, or material handling.

5. **Easy Installation and Maintenance**

- Features quick-connect fittings (e.g., SMC s standard push-fit or threaded connections) for straightforward installation.

- Minimal maintenance is required due to its sealed internal components, reducing downtime.

- The valve can be easily replaced or upgraded if needed, thanks to its standardized design.

6. **Energy Efficiency**

SMC valves are optimized for efficient air consumption, reducing wasted energy in pneumatic systems. The MKB63 series includes features like pilot-operated designs that minimize leakage when inactive.

7. **Safety Features**

- Some variants include built-in safety mechanisms such as fail-safe positions (e.g., normally closed or open) to prevent unintended operations.

- Compliance with international standards (e.g., CE, ISO) ensures it meets safety and environmental regulations.

8. **Wide Operating Range**

- Suitable for a broad range of pressures (typically 0.2 1.0 MPa or 2 10 bar, depending on the variant).

- Can operate in temperature ranges from -10 C to 60 C (or higher in some industrial variants), making it adaptable to various environmental conditions.

9. **Customization Options**

- Position indicators.

- Magnetic actuators for remote control.

- Integrated flow control or pressure regulation.

This allows users to tailor the valve to specific application needs.

10. **Global Availability and Support**

SMC has a widespread distribution network, ensuring easy access to spare parts, technical support, and documentation. This is particularly useful for international projects or maintenance in remote locations.

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### **Cons of the SMC MKB63-20RZ**

1. **Higher Upfront Cost**

Compared to generic or lower-end pneumatic valves, the MKB63 series is priced higher due to its quality, reliability, and brand reputation. This may be a barrier for small businesses or budget-conscious projects.

2. **Limited Customization for Extreme Conditions**

While the valve handles standard industrial environments well, extreme conditions (e.g., high humidity, corrosive gases, or temperatures outside the specified range) may require additional protective measures or alternative materials, which could increase costs.

3. **Dependence on SMC s Ecosystem**

The valve is optimized for SMC s own components (e.g., cylinders, hoses, filters). Integrating it with non-SMC parts may require adapters or additional compatibility testing, potentially adding complexity or cost.

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

For very basic or low-pressure applications where a simpler valve would suffice, the MKB63 s advanced features may be unnecessary, making it a more expensive choice than required.

5. **Electrical Power Requirements**

The valve requires a consistent power supply (24V DC or 230V AC). In environments with unstable electricity or without proper wiring infrastructure, additional components (e.g., surge protectors, stabilizers) may be needed.

6. **Maintenance of Pilot Systems**

If the valve uses a pilot-operated design (common in larger models), the pilot mechanism may require occasional cleaning or calibration to ensure smooth operation. This adds a minor maintenance burden compared to direct-acting valves.

7. **Limited Lifespan Under Heavy Use**

While durable, the valve s lifespan can be shortened under extreme conditions (e.g., constant high-pressure cycles, contamination in the air supply). Regular maintenance and filter upgrades are recommended to prolong its service life.

8. **Training and Expertise Required**

Proper installation, wiring, and troubleshooting may require technical knowledge or training, especially for users unfamiliar with pneumatic systems. This could lead to mistakes if not handled correctly.

9. **Weight and Installation Space**

Although compact, the valve is heavier than some alternatives. In applications with strict weight constraints (e.g., portable or mobile systems), this may be a consideration.

10. **Potential for Noise**

Pneumatic valves can generate noise during operation, especially at high pressures. While the MKB63 is designed to minimize this, it may still require sound-dampening measures in noise-sensitive environments.

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### **Conclusion**

The **SMC MKB63-20RZ** is a high-quality, versatile, and reliable pneumatic solenoid valve suited for industrial automation, manufacturing, and other applications requiring precise flow control. Its strengths lie in its durability, ease of integration, fast response, and compatibility with SMC s ecosystem. However, its higher cost, dependence on SMC s components, and need for proper maintenance or electrical infrastructure may pose challenges in certain scenarios.

For users prioritizing **reliability, long-term performance, and seamless integration into SMC systems**, this valve is an excellent choice. In contrast, those working with **tight budgets, non-SMC components, or extremely simple applications** may find alternatives (e.g., generic solenoid valves or direct-acting valves) more cost-effective.

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### **Recommendation**

- You are working on an **industrial automation project** where reliability and compatibility with SMC s components are critical.

- Your application requires **fast response times, precise control, or high-pressure handling**.

- You value **long-term durability and minimal maintenance** in a controlled environment.

- You have access to **proper electrical and pneumatic infrastructure** to support the valve.

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

- You are using **non-SMC components**, and compatibility may require additional adapters or testing.

- Your application involves **extreme or highly variable conditions** (e.g., corrosive gases, extreme temperatures), where specialized valves may be necessary.

- You need **simpler or more basic functionality**, and the MKB63 s features are overkill.

For most **professional industrial applications**, the SMC MKB63-20RZ is a **strong, well-supported choice** that justifies its cost with performance and longevity. However, always verify compatibility with your specific system and consult SMC s technical documentation or a specialist to ensure optimal use.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

SMC MKB63-20RZ / MKB6320RZ USED CYLINDER, ROTARY, CLAMP.

part #: mkb6320rz prices

• $48.96-$400.00

specifications hydraulicylind:

• brand: Smc
• mpn: Mkb63-20rz
• part type: Hydraulic Pneumatic Cylinder

shipping hydraulicylind:

• class: Standard
• cost: $12.90
• service: Standard
• transit: 31-36 Days
• type: Fixed

offer hydraulicylind:

• started: February 11, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

payments hydraulicylind:

• other
• wallet: Paypal
• credit card: Mastercard

returns hydraulicylind:

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

general hydraulicylind:

• condition: Used
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders

seller hydraulicylind:

• rating: 99.5%
• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 189849

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