SMC MGPM25TN-125Z Hydraulic Pneumatic Cylinders

( Brand: Smc ), ( Manufacturer Part Number: MGPM25TN-125Z ), ( Part Type: Hydraulic Pneumatic Cylinder )

Review SMC Mgpm25tn125z Used

The **SMC MGPM25TN-125Z (MGPM25TN125Z)** is a high-performance, compact pneumatic proportional valve designed for precise control of air flow in industrial automation and pneumatic systems. Part of SMC s advanced MGPM series, this valve combines reliability, efficiency, and versatility to meet the demands of modern manufacturing, packaging, and material handling applications. Engineered with a **25 mm (1 inch) port size**, the MGPM25TN-125Z delivers a maximum flow rate of **125 L/min (4.4 ft /min)** at 0.7 MPa (7 bar), making it ideal for medium-duty pneumatic actuators, cylinders, and clamping systems where consistent and adjustable air pressure is critical. Its **proportional control mechanism** allows for smooth, gradual adjustments to air pressure, enabling precise positioning, speed control, and force regulation perfect for applications requiring fine-tuned automation, such as robotic assembly, injection molding, or automated packaging lines.

Built with **robust stainless steel and high-quality polymers**, the MGPM25TN-125Z is constructed to withstand harsh environments, including exposure to dust, moisture, and temperature fluctuations ranging from **-10 C to 60 C (-14 F to 140 F)**. The valve features a **compact, modular design** with a **standard 25 mm connection**, ensuring seamless integration into existing pneumatic circuits while minimizing installation space. Its **T-type configuration** (with a single inlet and two outlets) allows for flexible routing of air flow, accommodating both single-acting and double-acting pneumatic systems. The valve s **internal pilot operation** ensures quick response times and energy efficiency, reducing operational costs while maintaining high performance.

One of the standout features of the MGPM25TN-125Z is its **digital proportional control capability**, which can be interfaced with PLCs, CNC systems, or other automation controllers via standard signals such as **0-10V, 4-20 mA, or PWM**. This compatibility makes it an excellent choice for smart factory applications where real-time adjustments and data logging are essential. The valve s **low noise operation** and **minimal pressure drop** further enhance its suitability for sensitive environments where quiet, efficient performance is a priority. Additionally, SMC s reputation for durability and reliability ensures that the MGPM25TN-125Z delivers consistent performance over extended periods with minimal maintenance, reducing downtime and operational disruptions.

For applications requiring enhanced safety and reliability, the MGPM25TN-125Z can be easily integrated with SMC s **MGPM series accessories**, such as pressure regulators, filters, and lubricators, to create a complete, optimized pneumatic system. Its **CE and ISO-certified** compliance guarantees adherence to international safety and quality standards, making it a trusted choice for industries where regulatory compliance is non-negotiable. Whether used in food processing, automotive assembly, or general industrial automation, this valve provides a perfect balance of precision, efficiency, and durability, ensuring seamless operation in even the most demanding pneumatic applications.

### **Pros and Cons of buying a SMC MGPM25TN-125Z (or MGPM25TN125Z) Pneumatic Actuator**

#### **Overview**

The **SMC MGPM25TN-125Z** is a **pneumatic rotary actuator** designed for precise angular positioning, commonly used in industrial automation, packaging machinery, and robotic applications. It operates using compressed air and provides controlled rotational motion (typically 90 or 180 ). Below is a detailed analysis of its advantages and limitations.

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### **Pros**

1. **High Precision and Repeatability**

- The actuator features **mechanical stops or electronic positioning** (depending on the model variant) for accurate repeatable motion, making it ideal for automated processes where consistency is critical.

- Some versions integrate with **SMC s electronic control systems** (e.g., SMC s **EASY series**) for programmable positioning.

2. **Rugged and Reliable Construction**

- Built with **high-quality stainless steel or reinforced aluminum** components, ensuring durability in harsh industrial environments (dust, moisture, temperature fluctuations).

- **Sealed bearings and bushings** reduce wear, extending the actuator s lifespan even with frequent cycling.

3. **Versatile Mounting Options**

- Compatible with **flange, foot, or base mounting**, allowing flexibility in integration with existing machinery.

- Can be paired with **SMC s pneumatic cylinders, valves, and control systems** for seamless automation setups.

4. **Energy Efficiency**

- Pneumatic systems (unlike hydraulic) are **cleaner and more energy-efficient** for repetitive motions, as they rely on compressed air rather than fluid pressure.

- **Quick exhaust valves** minimize air consumption during operation.

5. **Maintenance-Friendly**

- Fewer moving parts compared to electric servo motors, reducing maintenance needs.

- **Lubrication points** are minimal, and wear items (e.g., seals) are easily replaceable.

6. **Safety Features**

- **Mechanical limits** prevent over-rotation, reducing the risk of equipment damage.

- **Fail-safe positions** (e.g., spring return to a default angle) can be configured for emergency stops.

7. **Compatibility with SMC s Ecosystem**

- Works seamlessly with **SMC s pneumatic valves, regulators, and control panels**, simplifying system integration.

- Supports **industrial communication protocols** (e.g., Profibus, Modbus) if paired with electronic variants.

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

- While the initial cost may be higher than basic electric actuators, its **low operational cost and longevity** make it economical for **24/7 industrial use**.

9. **Quiet Operation**

- Compared to some electric motors, pneumatic actuators produce **minimal noise**, making them suitable for environments where sound levels must be controlled.

10. **Customization Options**

- Available in **different torque ratings, stroke lengths, and mounting styles** to match specific application needs.

- Can be paired with **sensors (e.g., limit switches, encoders)** for advanced feedback control.

---

### **Cons**

1. **Dependence on Compressed Air Supply**

- Requires a **reliable air compressor and filtration system** to prevent contamination (moisture, debris) from damaging internal components.

- **Air leaks** can reduce efficiency and increase operational costs if not properly maintained.

2. **Limited Continuous Torque at Low Speeds**

- Pneumatic actuators may **lose torque efficiency at very low speeds** due to internal friction, which can affect precision in some applications.

- **Stiction (static friction)** can cause hesitation at the start of motion in some models.

3. **Higher Initial Cost Than Basic Electric Alternatives**

- While cost-effective long-term, the **upfront price** of a high-quality pneumatic actuator like this one is higher than **basic DC servo motors or stepper motors** for simpler applications.

- Additional **control systems (e.g., electronic positioning modules)** may add to the cost.

4. **Temperature Sensitivity**

- Performance can degrade in **extreme temperatures** (very hot or cold), though the **MGPM series is designed for industrial use** (typically -10 C to 60 C).

- **Compressed air temperature** must be regulated to avoid condensation inside the actuator.

5. **Slower Response Than Electric Motors (in Some Cases)**

- While pneumatic actuators are **fast for their torque**, they may not match the **instantaneous acceleration** of **servo motors** in high-speed applications.

- **Air delay** (time for pressure to build) can introduce slight lag in dynamic systems.

6. **Noise in High-Pressure Applications**

- At **high operating pressures (e.g., 8 bar or above)**, the actuator can generate **audible exhaust noise**, which may require acoustic treatment in sensitive environments.

7. **Limited Fine Adjustment Without Electronics**

- **Mechanical-only versions** lack the precision of **electronic positioning actuators**, which may require additional sensors or controllers for exact control.

8. **Space Requirements**

- Pneumatic systems often need **additional space for air lines, filters, and regulators**, which may not be ideal for **compact machinery designs**.

9. **Potential for Air Contamination Issues**

- If the **compressed air supply is not properly filtered**, particles or moisture can **damage seals and bearings**, leading to premature failure.

- Requires **regular maintenance of the air system** (filters, dryers).

10. **Not Ideal for High-Precision Positioning Without Sensors**

- Without **feedback devices (e.g., encoders, potentiometers)**, the actuator relies on **mechanical stops**, which may not suffice for **sub-degree positioning** in advanced automation.

---

### **Conclusion**

The **SMC MGPM25TN-125Z** is a **highly capable pneumatic rotary actuator** well-suited for **industrial automation, packaging, material handling, and robotic applications** where **reliability, durability, and precise angular control** are required. Its **mechanical robustness, low maintenance needs, and compatibility with SMC s pneumatic ecosystem** make it a strong choice for **high-volume, repetitive motion tasks**.

- **Ultra-high-speed dynamics** (where electric servo motors excel).

- **Extreme fine positioning** without electronic feedback.

- **Very compact installations** (due to air supply requirements).

- **Applications with unreliable or unfiltered air sources**.

For **most industrial automation needs where pneumatic power is preferred**, this actuator delivers **excellent performance and cost efficiency** over its lifespan.

---

### **Recommendation**

You need a **durable, high-torque rotary actuator** for **industrial automation**.

Your application **relies on compressed air** (and you have a **clean, regulated air supply**).

You require **repeatable positioning** (with or without electronic control).

**Maintenance costs and downtime** are critical factors in your decision.

You are integrating with **SMC s pneumatic components** for a cohesive system.

Your application demands **sub-millimeter precision** without sensors.

**Space is extremely limited**, and pneumatic lines are impractical.

You need **instantaneous high-speed acceleration** (e.g., robotics with dynamic loads).

**Electric power is more cost-effective** for your specific use case.

For **most industrial pneumatic applications**, the **MGPM25TN-125Z is a reliable, high-performance choice** provided the air supply and maintenance are properly managed. If budget allows, pairing it with **SMC s electronic positioning modules** (e.g., **EASY series**) will further enhance its precision.

Details:

Call to use a shipping service other than the ones listed. 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. SMC MGPM25TN-125Z / MGPM25TN125Z USED COMPACT GUIDED CYLINDER, SERIES MGP, SLIDE BEARING, 25mm BORE, NPT PORT THREAD, 125 STROKE.

Sells new and surplus product develops channels to purchase such.

part #: mgpm25tn125z prices

• $76.99-$250.00

specifications hydraulicylind:

• brand: Smc
• mpn: Mgpm25tn-125z
• part type: Hydraulic Pneumatic Cylinder

shipping hydraulicylind:

• service: Standard
• cost: $12.90
• transit: 29-34 Days
• type: Fixed
• class: Standard

general hydraulicylind:

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

seller hydraulicylind:

• # reviews: 195065
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%

returns hydraulicylind:

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

offer hydraulicylind:

• availability: In Stock
• sold: 0
• started: March 18, 2026
• options: Ship-to-home
• quantity: 1

payments hydraulicylind:

• other
• wallet: Paypal
• credit card: Diners-club

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