SMC CDG5EA40TNSR-100 Pneumatic Air Cylinder Actuator Steel 1.50 4.00

( Brand: Smc ), ( Manufacturer Part Number: CDG5EA40TNSR-100 ), ( Part Type: Pneumatic Actuator Cylinder ), ( Stroke Length: 4.00 ), ( Bore Diameter: 1.50 )

Review SMC Pneumatic Air Cylinder Actuator Stainless Steel 1.50 4.00

The **SMC CDG5EA40TN-SR-100** is a high-performance, single-acting pneumatic air cylinder actuator designed for demanding industrial applications requiring precision, durability, and reliability. Part of SMC s renowned **CDG series**, this robust actuator features a **steel construction** with a **50mm bore diameter (1.50 inches)** and a **400mm stroke length (4.00 inches)**, making it ideal for medium-duty automation tasks where compact yet powerful motion is essential. Engineered with a **tubular steel rod** and a **forged steel piston**, this cylinder delivers exceptional strength and resistance to wear, ensuring long-term operational integrity even in harsh environments. The **single-acting design** with a built-in **spring return** eliminates the need for external return mechanisms, simplifying system integration while maintaining consistent and repeatable motion. The **TN-SR** variant incorporates a **tubular rod with a spring return**, providing smooth, controlled movement in both extension and retraction phases, which is particularly advantageous in applications requiring precise positioning or cyclic operation. With a **100-bar (1450 psi) pressure rating**, this actuator is engineered to handle high-force applications while maintaining energy efficiency, reducing operational costs over time. The **steel housing** ensures superior rigidity, minimizing deflection under load, and the **sealed rod guide** enhances longevity by protecting internal components from contaminants. Whether deployed in packaging machinery, material handling systems, or automated assembly lines, the **CDG5EA40TN-SR-100** offers a perfect balance of performance, compactness, and ease of maintenance, making it a versatile choice for engineers seeking dependable pneumatic actuation.

### **Pros and Cons of buying a SMC CDG5EA40TN-SR-100 Pneumatic Air Cylinder Actuator (Steel, 1.50" to 4.00")**

1. **High Durability and Strength** Constructed from steel, this actuator is robust and designed for heavy-duty applications, offering long-term reliability in industrial environments.

2. **Precision Engineering** SMC is a well-known manufacturer of pneumatic components, ensuring consistent quality, tight tolerances, and smooth operation.

3. **Standardized Compatibility** The **1.50" to 4.00"** stroke range makes it versatile for various applications, including automated machinery, packaging equipment, and material handling systems.

4. **Reliability in Harsh Conditions** The sealed design and robust construction make it resistant to dust, moisture, and temperature fluctuations, improving longevity in demanding settings.

5. **Easy Maintenance** Pneumatic systems generally require less maintenance than hydraulic or electric alternatives, reducing downtime and operational costs.

6. **Quick and Clean Operation** Air-powered actuators provide fast response times and minimal wear, making them ideal for high-speed automation.

7. **Compatibility with Existing Systems** Since it uses standard pneumatic fittings (typically **M5 or M8 ports**), it can be integrated into most industrial air supply networks without major modifications.

8. **Cost-Effective for High-Volume Use** While the initial cost may be moderate, its durability and efficiency can lead to lower long-term operational expenses compared to electric or hydraulic alternatives.

9. **Quiet Operation** Compared to some hydraulic systems, pneumatic actuators operate with relatively low noise levels, improving workplace comfort.

10. **Modular and Replaceable Components** Individual parts (such as seals, rods, or end caps) can often be replaced, extending the actuator s usable life.

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1. **Dependence on Compressed Air Supply** The actuator requires a stable and clean air supply. Fluctuations in air pressure or contamination (moisture, oil, debris) can degrade performance or damage internal components.

2. **Limited Force Output Compared to Hydraulics** While sufficient for many applications, pneumatic systems generally provide lower force per unit area than hydraulic actuators, which may limit use in extremely high-load scenarios.

3. **Energy Inefficiency** Compressed air systems can be less energy-efficient than electric motors, especially if the facility lacks proper air compression optimization (e.g., leaky lines, inefficient compressors).

4. **Potential for Leaks** Over time, seals and fittings may wear out, leading to air leaks that reduce efficiency and increase maintenance needs.

5. **Higher Initial Cost Than Basic Electric Actuators** While cost-effective in the long run, the upfront price of a high-quality pneumatic actuator like this SMC model may be higher than simpler electric alternatives for low-load applications.

6. **Sensitivity to Temperature Extremes** While steel construction helps, extreme cold or heat can affect air viscosity and system performance, potentially requiring additional conditioning.

7. **Noise in Some Applications** While generally quieter than hydraulic systems, pneumatic actuators can still produce noticeable operational noise, which may be a concern in sensitive environments.

8. **Limited Precision in Slow Movements** Unlike servo-driven electric actuators, pneumatic systems may exhibit slight vibrations or inconsistencies at very slow speeds, affecting precision tasks.

9. **Requires Proper Ventilation** Compressed air systems generate heat, and improper ventilation can lead to overheating of components or the surrounding environment.

10. **Training and Expertise Needed** Proper installation, calibration, and troubleshooting of pneumatic systems often require specialized knowledge, which may not be available in-house.

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### **Conclusion**

The **SMC CDG5EA40TN-SR-100** pneumatic air cylinder is an excellent choice for applications requiring **durability, precision, and reliability in industrial settings**. Its steel construction, standardized compatibility, and ease of maintenance make it well-suited for **automation, material handling, and packaging systems** where consistent performance is critical. However, its **dependence on compressed air, lower force output compared to hydraulics, and potential energy inefficiencies** must be carefully considered, especially in applications with **high load demands, extreme environmental conditions, or limited air supply infrastructure**.

For most **mid-to-high-volume industrial applications** where **speed, repeatability, and robustness** are prioritized, this actuator is a strong recommendation. However, if the application involves **extremely high forces, precise low-speed control, or energy-sensitive operations**, alternative solutions (such as **hydraulic or electric actuators**) may be more appropriate.

### **Recommendation**

- You need a **durable, high-performance pneumatic solution** for automation.

- Your facility already has a **reliable compressed air system**.

- The application involves **moderate to high loads** with **frequent cycling**.

- You require **minimal maintenance** and **fast response times**.

- Your application demands **extremely high forces** (hydraulic actuators may be better).

- Energy efficiency is a **top priority** (electric servo actuators could be more suitable).

- The environment has **severe temperature fluctuations** or **limited air supply stability**.

- **Ultra-precise, slow-speed control** is required (electric or servo-driven solutions may perform better).

For most standard industrial uses, this SMC actuator is a **solid, well-engineered choice** that balances performance, reliability, and ease of integration. Ensure proper **air filtration, pressure regulation, and maintenance protocols** are in place to maximize its lifespan and efficiency.

Details:

Comes with the fittings shown. Model -CDG5EA40TNSR-100. Stroke 4.00. Combined Shipping Rules: All Lesson,Marathon, Century, and Lincoln motors ship FREE.

Please visit the following address to do so. This Ships Fast Free. This has light scratches shown in photos. KAE Industrial.

Sale is for One 1 Used SMC Pneumatic Air Cylinder Actuator Stainless Steel. We Combine Shipping. Domestic Shipping: All Lesson,Marathon, Century, and Lincoln motors ship FREE. Some questions may require an inquiry with our Lesson, Marathon,Century, and Lincoln reps which can increase response time.

Expedited or next day air is available on your shippers number. 1.50 X 4.00 CDG5EA40TNSR-100. This come as shown.

part #: cdg5ea40tnsr100 prices

• $28.49-$97.74

specifications hydraulicylind:

• brand: Smc
• mpn: Cdg5ea40tnsr-100
• part type: Pneumatic Actuator Cylinder
• stroke length: 4.00
• bore diameter: 1.50

shipping hydraulicylind:

• service: USPS Ground Advantage
• transit: 3-8 Days
• cost: $0.00
• carrier: USPS
• class: Standard
• type: Calculated

offer hydraulicylind:

• sold: 0
• availability: In Stock
• quantity: 1
• best offers: True
• options: Ship-to-home
• started: April 27, 2026

seller hydraulicylind:

• # reviews: 11700
• rating: 100.0%
• city: Wooster, Ohio

payments hydraulicylind:

• other
• credit card: Discover
• wallet: Google-pay

general hydraulicylind:

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

returns hydraulicylind:

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

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