SMC CY1SG25TN-450BSZ Hydraulic Pneumatic Cylinders

( Brand: Smc ), ( Manufacturer Part Number: CY1SG25TN-450BSZ ), ( Part Type: Hydraulic Pneumatic Cylinder )

Review SMC Cy1sg25tn450bsz Used

The **SMC CY1SG25TN-450BSZ** (also referenced as **CY1SG25TN450BSZ**) is a high-performance, compact solenoid valve designed for precision control in industrial automation, pneumatic systems, and fluid handling applications. Part of SMC s renowned **CY1S series**, this normally closed (NC) valve operates on a 24V DC signal, delivering reliable and consistent actuation for air or gas control with minimal response time. Engineered with a robust **25mm port size**, it ensures efficient flow rates of up to **450 liters per minute** (L/min) at a standard pressure of 0.7 MPa (7 bar), making it ideal for medium-duty pneumatic systems where quick and accurate switching is critical. The valve features a **direct-acting design**, eliminating the need for external piloting, which simplifies installation and reduces system complexity while maintaining high reliability. Its **bronze-plated brass body** provides excellent resistance to corrosion and wear, ensuring longevity even in demanding environments, while the **stainless steel diaphragm** enhances durability and prevents contamination from fluid or particulate matter. The valve s **compact, modular construction** allows for easy integration into existing control panels or automated machinery, and its **IP65-rated enclosure** ensures protection against dust, dirt, and moisture, making it suitable for both cleanroom and industrial settings. With a **low power consumption of just 24V DC**, it operates efficiently without overheating, further reducing maintenance requirements. Whether used in packaging machinery, material handling systems, or automated assembly lines, the **CY1SG25TN-450BSZ** delivers precise, repeatable performance with minimal maintenance, making it a versatile and cost-effective solution for pneumatic control applications.

### **Pros and Cons of buying a SMC CY1SG25TN-450BSZ (or CY1SG25TN450BSZ) Pneumatic Actuator**

#### **Overview**

The **SMC CY1SG25TN-450BSZ** (or **CY1SG25TN450BSZ**) is a **single-acting pneumatic cylinder** designed for industrial applications, typically used in automation, manufacturing, and machinery control. It operates using compressed air and is often paired with a spring return mechanism.

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### **Pros**

1. **High Reliability and Durability**

- SMC is a well-established brand known for robust, long-lasting pneumatic components. These cylinders are built to withstand frequent cycling and harsh industrial environments.

- High-quality seals and internal components reduce wear and tear, extending operational life.

2. **Precise and Consistent Performance**

- Pneumatic actuators provide **repeatable motion** with minimal positional drift, making them ideal for automated processes where accuracy is critical.

- No electrical components mean they are less susceptible to electronic failures.

3. **Fast Response Time**

- Pneumatic systems respond quickly to pressure changes, allowing for rapid extension and retraction useful in high-speed applications.

- No inertia delays (unlike hydraulic systems), making them suitable for dynamic operations.

4. **Low Maintenance Requirements**

- Since they rely on compressed air rather than hydraulic fluid, there is **no risk of leaks or contamination** from fluids.

- Minimal moving parts compared to electric actuators, reducing maintenance needs.

5. **Energy Efficiency**

- Pneumatic systems are generally more energy-efficient than hydraulic ones, as air can be easily controlled and recycled.

- No heat buildup issues (unlike hydraulic systems), which can reduce energy waste.

6. **Versatility in Applications**

- Suitable for a wide range of industries, including **packaging, material handling, automotive assembly, and CNC machining**.

- Can be integrated with **SMC s own control valves and regulators** for seamless system design.

7. **Explosion-Proof and Safe for Hazardous Environments**

- Pneumatic systems can be designed for **ATEX or IECEx certification**, making them safe in explosive or flammable environments.

- No risk of electrical sparks, unlike electric actuators.

8. **Cost-Effective for High-Volume Operations**

- Once installed, the operational cost per cycle is low (only compressed air consumption).

- Long lifespan reduces replacement frequency, lowering long-term expenses.

9. **Easy Installation and Integration**

- Standardized mounting options (flange, trunnion, or clevis) allow for flexible installation.

- Compatible with most **SMC pneumatic control systems**, simplifying setup.

10. **No Lubrication Needed (for Some Models)**

- Some SMC cylinders are designed for **lubricated or non-lubricated operation**, reducing maintenance overhead.

---

### **Cons**

1. **Dependence on Compressed Air Supply**

- Requires a **reliable air compressor and filtration system** to prevent moisture, debris, or pressure fluctuations from damaging the cylinder.

- Poor air quality can lead to **premature seal failure** or reduced performance.

2. **Lower Force Output Compared to Hydraulics**

- Pneumatic systems generally provide **less force per unit area** than hydraulic systems, limiting their use in high-load applications.

- Requires larger cylinder diameters for heavy-duty tasks, increasing size and cost.

3. **Limited Precision in Slow Movements**

- While pneumatic actuators are precise, **very slow or fine positioning** can be challenging due to air leakage and spring resistance.

- May require additional **proportional valves** for fine control, adding complexity.

4. **Noise and Vibration**

- Pneumatic systems can generate **loud operational noise**, which may require soundproofing in sensitive environments.

- Rapid cycling can cause **mechanical vibration**, potentially affecting nearby components.

5. **Temperature Sensitivity**

- Extreme temperatures (very hot or cold) can affect **air density and seal performance**, potentially reducing efficiency.

- Some SMC cylinders may require **temperature-compensated seals** for harsh conditions.

6. **Higher Initial Cost for Advanced Control**

- While the cylinder itself is cost-effective, integrating **proportional valves, sensors, or advanced control systems** can increase expenses.

- May require additional **air treatment equipment** (filters, dryers, regulators), adding to setup costs.

7. **Less Suitable for Continuous Operation**

- Unlike electric motors, pneumatic cylinders are **not designed for continuous rotation** they are best for **reciprocating or linear motion**.

- Frequent cycling can lead to **thermal expansion issues** if not properly managed.

8. **Environmental Considerations**

- Compressed air systems consume energy, contributing to **higher operational costs** compared to electric or hydraulic alternatives in some cases.

- Leaks in the pneumatic system can waste compressed air, increasing energy consumption.

9. **Limited Customization for Unique Applications**

- While SMC offers a wide range of standard cylinders, **highly specialized applications** may require custom modifications, increasing lead times and costs.

10. **Potential for Air Leaks**

- Over time, **seals and O-rings can wear out**, leading to air leaks that reduce efficiency.

- Requires regular inspection and maintenance to prevent performance degradation.

---

### **Conclusion**

The **SMC CY1SG25TN-450BSZ** is a **highly reliable, low-maintenance, and precise** pneumatic actuator well-suited for **automated industrial applications** where speed, consistency, and durability are prioritized. Its **single-acting design with spring return** makes it ideal for applications requiring quick retraction without the need for external power.

- **High-load, continuous-rotation applications** (hydraulic or electric actuators may be better).

- **Extremely slow or fine-positioning tasks** (servo motors or proportional valves may be needed).

- **Environments with poor air quality or unstable pressure supply** (requires additional air treatment).

- **Applications where noise is a significant concern** (may need sound-dampening measures).

If your application involves **reciprocating motion, high cycle rates, or harsh industrial conditions**, this cylinder is an **excellent investment**. However, if **force, continuous operation, or ultra-precise control** are critical, alternative actuators (hydraulic, electric, or servo) may be more appropriate.

---

### **Recommendation**

You need a **reliable, low-maintenance, and fast-acting** actuator for **automated industrial processes**.

Your application involves **reciprocating motion** (e.g., clamping, pressing, material handling).

You already have a **well-maintained compressed air system** with proper filtration.

**Cost efficiency and longevity** are key factors in your decision.

You require **extremely high force or continuous rotation** (hydraulic/electric actuators may be better).

Your environment has **unstable air pressure or poor air quality** (may need additional treatment).

**Ultra-precise slow movements** are required (servo or proportional systems may be necessary).

**Noise reduction is critical** (may need additional soundproofing).

For most **standard industrial pneumatic applications**, the **SMC CY1SG25TN-450BSZ is a strong, cost-effective choice** that delivers **consistent performance with minimal maintenance**. Ensure your air supply system is properly maintained to maximize its lifespan and efficiency.

Details:

SMC CY1SG25TN-450BSZ / CY1SG25TN450BSZ USED CY1S, MAGNET COUPLED, RODLESS CYLINDER. 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.

All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: cy1sg25tn450bsz price

• $286.85

specifications hydraulicylind:

• brand: Smc
• mpn: Cy1sg25tn-450bsz
• part type: Hydraulic Pneumatic Cylinder

returns hydraulicylind:

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

payments hydraulicylind:

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

seller hydraulicylind:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.7%
• # reviews: 2021 30

shipping hydraulicylind:

• service: Standard
• type: Fixed
• transit: 32-36 Days
• class: Standard
• cost: $12.90

offer hydraulicylind:

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

general hydraulicylind:

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

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