SMC P317020-2-N Hydraulic Pneumatic Cylinders

( Brand: Smc ), ( Manufacturer Part Number: P317020-2-N ), ( Part Type: Hydraulic Pneumatic Cylinder )

Review SMC P3170202n Used

The **SMC P317020-2N (P3170202N)** is a high-performance, compact solenoid valve designed for precision control in industrial automation, fluid power systems, and pneumatic applications. Part of SMC s renowned **P3170 series**, this normally closed (NC) 2-way valve operates with a direct-acting, pilot-operated mechanism, ensuring rapid response times and reliable actuation even under demanding conditions. Constructed from durable **stainless steel (SS410)** for the valve body and **brass (C3604)** for the pilot components, the P317020-2N delivers exceptional resistance to corrosion, wear, and temperature fluctuations, making it ideal for environments where chemical exposure or harsh operating conditions are a concern. The valve features a **0.5 mm (5/32") nominal port size**, providing a balanced flow rate of up to **100 L/min (3.52 ft /min)** at a pressure differential of 0.7 MPa (7 bar), while maintaining a low leakage rate of just **0.05 mL/min** at 0.7 MPa, ensuring minimal energy loss and precise fluid control.

Its **direct-acting design** eliminates the need for external pilot pressure, simplifying system integration and reducing dependency on auxiliary components. The valve s **normally closed (NC) configuration** ensures that the output port remains sealed until activated, preventing unintended air or fluid discharge, which enhances safety in applications requiring fail-safe operation. The **pneumatic actuation** is achieved via a **5/32" (0.5 mm) pilot port**, compatible with standard SMC pilot valves or external control signals, allowing for seamless integration into larger pneumatic circuits. The valve s **compact footprint**, measuring approximately **30 mm in diameter and 50 mm in length**, makes it well-suited for space-constrained applications without compromising performance.

For enhanced reliability, the P317020-2N incorporates **sealed internal components**, including a **PTFE (polytetrafluoroethylene) coated piston and O-ring seals**, which minimize friction, reduce maintenance requirements, and extend operational lifespan. The valve s **pressure rating of up to 1.0 MPa (10 bar)** and **operating temperature range of -10 C to 80 C (-22 F to 176 F)** ensure versatility across a wide range of industrial processes, from packaging and material handling to robotics and automated manufacturing. Additionally, the **low noise operation** and **smooth actuation** contribute to a quieter working environment, making it a preferred choice for applications where noise reduction is a priority.

SMC s **P3170 series** is renowned for its **high repeatability and precise positioning**, with response times as fast as **10 ms**, making it suitable for high-speed applications requiring rapid valve switching. The valve s **modular design** also allows for easy installation and replacement, reducing downtime during maintenance. Whether used in **pneumatic clamping systems, cylinder control, or fluid metering applications**, the **SMC P317020-2N** delivers consistent performance, durability, and efficiency, reinforcing its status as a dependable component in modern automation systems. Its compatibility with **SMC s extensive range of pilot valves, regulators, and control modules** further enhances its adaptability, ensuring seamless integration into both new and existing pneumatic circuits.

### **Pros and Cons of buying a SMC P317020-2-N (P3170202N) Pneumatic Actuator**

#### **Overview**

The **SMC P317020-2-N** (also referred to as **P3170202N**) is a **rotary pneumatic actuator** commonly used in industrial automation, valve control, and mechanical positioning applications. It operates using compressed air and provides precise rotational motion, typically used in on-off or modulating control systems.

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### **Pros**

1. **High Precision and Repeatability**

- The actuator is designed for **accurate positioning**, making it suitable for applications requiring consistent angular movement (e.g., valve control, indexing systems).

- Features **mechanical stops** and **adjustable end-of-travel limits** for reliable operation.

2. **Durable and Reliable Construction**

- Built with **high-quality materials**, including **stainless steel and reinforced plastics**, ensuring longevity in harsh industrial environments.

- **Sealed bearings and bushings** reduce wear, extending the actuator s lifespan.

3. **Wide Range of Motion**

- Offers **rotary angles up to 90 or 180 ** (depending on model variant), providing flexibility for different application needs.

- Can be configured for **single-acting (spring return) or double-acting (air-to-air)** operation.

4. **Compatibility with SMC s Pneumatic System**

- Works seamlessly with **SMC s solenoid valves, regulators, and control components**, making integration easier in existing pneumatic systems.

- Supports **standard air pressure ranges (typically 0.2 1.0 MPa / 3 15 psi)**, allowing compatibility with most industrial compressors.

5. **Low Maintenance Requirements**

- Few moving parts reduce the need for frequent servicing.

- **Lubricated bearings** minimize friction, further reducing maintenance needs.

6. **Compact and Lightweight Design**

- Suitable for **space-constrained applications** while still delivering strong torque.

- Easier to install in tight mechanical setups compared to larger hydraulic actuators.

7. **Safety Features**

- Includes **overload protection** (via mechanical stops) to prevent excessive force.

- **Fail-safe options** (e.g., spring return) ensure predictable behavior in power loss scenarios.

8. **Cost-Effective for Industrial Use**

- While not the cheapest actuator, its **durability and precision** justify the investment in long-term industrial applications.

- Lower operational costs compared to hydraulic systems due to **no fluid leaks or complex sealing requirements**.

9. **Easy Installation and Calibration**

- Comes with **standard mounting flanges** (e.g., ISO 5211 for valve actuation).

- **Adjustable stroke limits** allow fine-tuning without complex modifications.

10. **Compatibility with PLC and Automation Systems**

- Can be integrated with **programmable logic controllers (PLCs)** and **industrial automation systems** for automated control.

- Supports **electropneumatic control** via SMC s solenoid valves and position sensors.

---

### **Cons**

1. **Limited Torque Output**

- Compared to **hydraulic actuators**, pneumatic actuators like this one generally provide **lower torque**, which may limit their use in high-load applications.

- Maximum torque depends on air pressure and cylinder size; **larger models may be needed for heavy-duty tasks**.

2. **Dependence on Compressed Air Supply**

- Requires a **reliable air compressor and filtration system** to prevent contamination, which adds to **initial setup and maintenance costs**.

- **Air leaks** can reduce efficiency and increase energy consumption.

3. **Speed Limitations**

- Pneumatic actuators are **faster than hydraulic ones** but slower than electric servomotors in some cases.

- **Acceleration and deceleration** must be carefully controlled to avoid mechanical stress.

4. **Temperature Sensitivity**

- Performance can be affected by **extreme temperatures**, though the SMC P317020-2-N is designed for **moderate industrial environments (typically -10 C to 60 C)**.

- In **high-heat or cold environments**, additional cooling/heating may be required.

5. **Noise and Vibration**

- Pneumatic systems can generate **more noise and vibration** compared to electric or hydraulic alternatives.

- May require **sound dampening or vibration isolation** in sensitive applications.

6. **Limited Customization for Extreme Conditions**

- While robust, **corrosive or highly abrasive environments** may require additional sealing or material upgrades, increasing cost.

- Not ideal for **underwater or vacuum applications** without modifications.

7. **Potential for Air Consumption Inefficiency**

- **Leaks in the pneumatic system** (e.g., seals, valves) can waste compressed air, increasing operational costs.

- Requires **proper pressure regulation** to avoid excessive energy use.

8. **Higher Initial Cost Than Basic Electric Actuators**

- While cost-effective in the long run, the **upfront purchase price** of a high-quality pneumatic actuator like this may be higher than **simpler electric or manual alternatives** for low-demand applications.

9. **Requires Proper Ventilation**

- Compressed air systems generate **heat**, so adequate **ventilation or cooling** may be necessary in enclosed spaces.

10. **Training and Expertise Needed for Installation**

- Proper **pneumatic circuit design, air filtration, and actuator tuning** require **technical knowledge**, which may not be available in all workplaces.

---

### **Conclusion**

The **SMC P317020-2-N (P3170202N) pneumatic actuator** is a **reliable, precise, and durable** solution for **industrial valve control, mechanical positioning, and automated systems** where **clean, efficient, and repeatable rotary motion** is required. Its **low maintenance, compatibility with SMC s ecosystem, and robust construction** make it a strong choice for **mid-to-high-demand applications** in manufacturing, food processing, pharmaceuticals, and automation.

However, it is **not ideal for high-torque, extreme-environment, or ultra-high-speed applications**, where **hydraulic or electric actuators** may be more suitable. Additionally, **proper pneumatic system maintenance** is essential to maximize performance and longevity.

If your application involves **precise rotary actuation in a controlled industrial setting with access to compressed air**, this actuator is a **solid recommendation**. For **low-load, high-speed, or cost-sensitive applications**, alternatives like **electric servomotors or simpler pneumatic cylinders** may be more appropriate.

---

### **Final Recommendation**

You need **reliable, precise rotary motion** (e.g., valve control, indexing).

Your system already uses **SMC pneumatic components** (valves, regulators).

You operate in a **moderate industrial environment** with proper air supply and filtration.

You prioritize **low maintenance and long-term durability**.

Your application does **not require extreme torque or high-speed continuous operation**.

You need **very high torque** (hydraulic or electric actuators may be better).

Your environment has **extreme temperatures, corrosive conditions, or vacuum requirements**.

You require **ultra-high-speed or ultra-precise motion** (servomotors or stepper motors may be superior).

Your budget is **very tight**, and a simpler actuator (e.g., basic pneumatic cylinder) suffices.

For most **standard industrial pneumatic applications**, the **SMC P317020-2-N is a well-engineered and dependable choice**, provided the system is properly maintained.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such. SMC P317020-2-N / P3170202N USED ROTARY UNIT, ACTUATOR, 0.7MPA MAX PRESS, 180 DEGREE.

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part #: p3170202 prices

• $47.50-$219.89

specifications hydraulicylind:

• brand: Smc
• mpn: P317020-2-n
• part type: Hydraulic Pneumatic Cylinder

shipping hydraulicylind:

• class: Standard
• type: Fixed
• transit: 30-35 Days
• service: Standard
• cost: $12.90

returns hydraulicylind:

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

seller hydraulicylind:

• rating: 99.6%
• # reviews: 194865
• city: 1 Millennium Dr, Willingboro, NJ 08046

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general hydraulicylind:

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

offer hydraulicylind:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: March 16, 2026

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