SMC CDQ2KB20-50DM Hydraulic Pneumatic Cylinders
( Brand: Smc ), ( Manufacturer Part Number: CDQ2KB20-50DM ), ( Part Type: Hydraulic Pneumatic Cylinder )
Review SMC Cdq2kb2050dm Used
The **SMC CDQ2KB20-50DM** is a high-performance, compact pneumatic cylinder designed for precision control and reliable operation in demanding industrial applications. Part of SMC s advanced **CDQ series**, this double-acting, rod-extending cylinder features a robust **50mm bore diameter** and a **20mm rod diameter**, delivering a powerful stroke length of **500mm** (adjustable within a range of 200mm to 500mm) to accommodate a variety of workspace requirements. Engineered with a **high-strength aluminum alloy body**, this cylinder balances durability with lightweight efficiency, reducing overall system weight while maintaining structural integrity under heavy loads. The **sealed piston rod** ensures corrosion resistance and protection against contaminants, making it ideal for environments where cleanliness and longevity are critical.
The CDQ2KB20-50DM incorporates SMC s **patented Quick-Change Mounting System**, allowing for rapid installation and easy maintenance without the need for specialized tools. This feature enhances productivity by minimizing downtime during cylinder replacements or adjustments. The cylinder s **dual-acting design** provides bidirectional force, enabling precise control for both extension and retraction phases, which is essential for applications requiring synchronized or alternating movements. With a **standard operating pressure of up to 10 bar (145 psi)**, this cylinder delivers consistent and repeatable performance, making it suitable for tasks such as assembly lines, packaging machinery, and automated material handling systems.
For enhanced safety and operational reliability, the CDQ2KB20-50DM is equipped with **SMC s advanced sealing technology**, including high-performance rubber and polyurethane seals that reduce friction and wear while maintaining a tight seal under pressure. The cylinder s **smooth, low-friction operation** is further supported by a **premium-grade guide system**, ensuring minimal vibration and precise alignment during motion. Additionally, the **integrated cushioning system** on both the extension and retraction strokes helps to dampen impact forces, extending the life of the cylinder and protecting connected components from shock loads.
Compatibility with SMC s extensive range of **valves, fittings, and control systems** makes this cylinder a versatile choice for integration into larger pneumatic circuits. The **standard M8 threaded ports** ensure easy connection to standard SMC tubing and hoses, while the **modular design** allows for customization with optional accessories such as position sensors, magnetic feedback devices, or custom mounting brackets. Whether deployed in a high-speed production environment or a precision engineering application, the CDQ2KB20-50DM exemplifies SMC s commitment to innovation, quality, and performance, offering a dependable solution for industries demanding both efficiency and durability.
The **SMC CDQ2KB20-50DM** is a compact, dual-channel, 24V DC power supply designed for industrial applications, such as PLCs, sensors, and control 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 CDQ2KB20-50DM**
1. **Compact and Space-Efficient Design**
The unit is designed for installation in tight spaces, making it ideal for applications where space is limited. Its small footprint reduces clutter in control panels or enclosures.
2. **Dual-Channel Output**
The dual-channel configuration allows for independent power distribution to two separate circuits. This is useful for critical applications where one channel can act as a backup or where different loads require separate power paths.
3. **Wide Input Voltage Range**
The unit accepts a broad input voltage range (typically 90 264V AC), which provides flexibility in installation environments where voltage fluctuations are common. This reduces the need for additional voltage regulators or transformers.
4. **High Efficiency**
Many SMC power supplies, including this model, are designed with efficiency in mind, reducing heat generation and improving overall performance. This can lead to lower operational costs and longer component lifespan.
5. **Reliability and Durability**
SMC is a well-established brand in industrial automation, known for producing robust and reliable equipment. The CDQ2KB20-50DM is built to withstand harsh environments, including temperature variations and electrical noise.
6. **Modular and Easy Installation**
The unit is designed for easy mounting on DIN rails or panels, and its modular nature allows for straightforward integration into existing systems. It often comes with standard connectors, simplifying wiring.
7. **Overvoltage and Overload Protection**
The power supply includes built-in protection features such as overvoltage, overcurrent, and short-circuit protection. This helps prevent damage to connected equipment and extends the lifespan of the power supply itself.
8. **Low Noise and EMI Compliance**
The design minimizes electromagnetic interference (EMI), which is critical in industrial settings where noise can disrupt sensitive electronics. This ensures stable operation of connected devices.
9. **Wide Operating Temperature Range**
The unit can operate effectively in a broad temperature range (typically -25 C to 70 C), making it suitable for applications in extreme environments, such as outdoor installations or industrial facilities with varying climates.
10. **Low Ripple and Noise**
The output ripple and noise levels are typically low, which is important for powering sensitive electronic components like PLCs, sensors, or communication modules.
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### **Cons of the SMC CDQ2KB20-50DM**
1. **Limited Output Current**
The unit provides a relatively low output current of 20A per channel (40A total). While sufficient for many small to medium industrial applications, it may not be adequate for high-power loads or systems requiring higher current draw. Users with demanding power requirements may need to consider multiple units or a higher-capacity power supply.
2. **Fixed Output Voltage**
The output voltage is fixed at 24V DC, which limits its compatibility with systems requiring different voltage levels. If a system needs multiple voltage outputs, additional converters or power supplies may be necessary.
3. **No Remote Sensing**
Some industrial power supplies offer remote sensing to compensate for voltage drops in long cables. The CDQ2KB20-50DM may not include this feature, which could result in voltage variations at the load end if cables are long or resistance is high.
4. **Limited Customization**
The unit is a standard model with fixed specifications. Users requiring custom features, such as programmable outputs, communication interfaces (e.g., Modbus), or specific protection settings, may need to look for alternative models or additional accessories.
5. **Potential for Heat Dissipation in High-Load Environments**
While the unit is designed to be efficient, operating at or near its maximum capacity in a confined space could generate heat. Proper ventilation and cooling may be required to prevent overheating, especially in enclosed environments.
6. **Dependence on Input Voltage Stability**
Although the unit accepts a wide input voltage range, extreme fluctuations outside the specified range (e.g., below 90V or above 264V) could damage the power supply. Users in regions with unstable power grids may need additional protection, such as surge suppressors or UPS systems.
7. **Limited Lifespan Without Maintenance**
Like all electronic components, the power supply s lifespan can be affected by environmental factors such as dust, humidity, or electrical surges. Regular maintenance and proper installation are necessary to ensure long-term reliability.
8. **Cost Relative to Higher-Capacity Alternatives**
For applications requiring higher current or additional features, the cost per watt may be higher compared to larger, more powerful power supplies. Users with high-power needs may find it more economical to invest in a single, higher-capacity unit.
9. **No Built-In Monitoring or Communication**
The CDQ2KB20-50DM does not typically include built-in monitoring features (e.g., digital displays, communication ports for status updates). Users who require real-time monitoring or remote management may need to pair it with additional hardware or software.
10. **Potential for Compatibility Issues**
While SMC products are generally compatible with most industrial systems, there may be specific compatibility issues depending on the connected equipment. Always verify compatibility with the manufacturer s documentation or consult with a technician before installation.
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### **Conclusion**
The **SMC CDQ2KB20-50DM** is a reliable, compact, and efficient dual-channel 24V DC power supply well-suited for a wide range of industrial applications where space is limited and moderate power requirements are met. Its robustness, protection features, and wide operating range make it a solid choice for many control systems, PLCs, and sensor networks. However, its limitations such as the fixed output voltage, limited current capacity, and lack of advanced features like remote sensing or monitoring may necessitate additional components or alternative solutions for more demanding applications.
For users with straightforward power needs, moderate current requirements, and a focus on reliability and space efficiency, this power supply is an excellent option. Those requiring higher current, customizable outputs, or advanced monitoring capabilities may need to explore other models or supplementary equipment.
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### **Recommendation**
**Buy the SMC CDQ2KB20-50DM if:**- You need a compact, dual-channel 24V DC power supply for industrial or control system applications.
- Your power requirements are within the 20A per channel limit (40A total).
- You prioritize reliability, durability, and ease of installation in confined spaces.
- Your system does not require advanced features like remote sensing, programmable outputs, or real-time monitoring.
- You operate in environments with stable or moderately fluctuating input voltages.
**Consider alternatives if:**- Your application requires higher current output (e.g., >40A) or multiple voltage levels.
- You need remote sensing, advanced protection features, or communication interfaces (e.g., Modbus, CAN).
- Your system demands real-time monitoring or diagnostic capabilities.
- You are working in extremely harsh environments where additional protection (e.g., surge suppression, UPS) is critical.
- Cost efficiency is a priority for high-power applications, and a single higher-capacity unit would be more economical.
For most standard industrial applications where the CDQ2KB20-50DM meets the power and space requirements, it is a dependable and cost-effective choice. Always verify the specific needs of your system and consult with an expert if unsure about compatibility or performance.
Details:
Call to use a shipping service other than the ones listed. SMC CDQ2KB20-50DM / CDQ2KB2050DM USED AIR CYLINDER, COMPACT SERIES CQ2, DOUBLE ACTING, SINGLE ROD, NON ROTATING WITH MAGNET, THROUGH HOLE MOUNT, 20mm BORE, RC/M THREAD, 50 STROKE, ROD END MALE THREAD. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such.
All products are guaranteed to be working but may show signs of use if purchasing a used product.
part #: cdq2kb2050dm prices
- $52.93-$232.29
specifications hydraulicylind:
- brand: Smc
- mpn: Cdq2kb20-50dm
- part type: Hydraulic Pneumatic Cylinder
payments hydraulicylind:
- credit card: Diners-club
- other
- wallet: Paypal
shipping hydraulicylind:
- class: Standard
- service: Standard
- cost: $12.90
- type: Fixed
- transit: 22-34 Days
offer hydraulicylind:
- availability: In Stock
- options: Ship-to-home
- sold: 0
- started: March 1, 2026
- quantity: 1
returns hydraulicylind:
- method: Money back
- paid by: Buyer
- policy: Returns Accepted
- time: 30 Days
seller hydraulicylind:
- city: 1 Millennium Dr, Willingboro, NJ 08046
- rating: 99.6%
- # reviews: 192449
general hydraulicylind:
- Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders
- condition: Used
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