SMC AR30-02-1 Hydraulics Pneumatics

( Brand: Smc ), ( Manufacturer Part Number: AR30-02-1 ), ( Part Type: Hydraulic Pneumatic )

Review SMC Ar30021 Used

The **SMC AR30-02-1 (AR30021)** is a high-performance, compact pneumatic actuator designed for precision control in industrial automation, material handling, and packaging applications. Part of SMC s renowned **AR30 series**, this double-acting, spring-return pneumatic cylinder delivers reliable, repeatable motion with exceptional efficiency and durability. Engineered for versatility, the AR30-02-1 features a **2-inch (50mm) bore diameter**, providing a robust stroke length of **2 inches (50mm)** ideal for applications requiring moderate force and precise positioning. Its **spring-return mechanism** ensures consistent and energy-efficient operation, eliminating the need for external return mechanisms while maintaining smooth, controlled movement. Constructed from high-quality materials, including a **galvanized steel rod** and **aluminum housing**, this actuator is built to withstand demanding environments, offering resistance to corrosion, wear, and temperature fluctuations, making it suitable for both cleanroom and industrial settings.

The AR30-02-1 incorporates SMC s advanced **sealing technology**, featuring **nitrile rubber seals** that ensure minimal leakage and extended service life, even under high-pressure conditions. Its **compact design** allows for easy integration into tight spaces, while the **standard M5 threaded ports** enable seamless connection to SMC s extensive range of valves, regulators, and fittings, simplifying system setup and maintenance. The actuator s **double-acting operation** provides bidirectional force, enabling precise control in both extension and retraction phases, which is particularly advantageous in applications requiring synchronized movements, such as clamping, indexing, or material transfer. Additionally, the **low-friction design** reduces energy consumption, contributing to operational cost savings and enhanced efficiency in automated processes.

Safety and reliability are paramount in the AR30-02-1 s construction, with features like **end-of-stroke cushioning** to minimize wear and noise, as well as **overload protection** to prevent damage from excessive force. The cylinder s **modular mounting options**, including flange, foot, or trunnion mounts, allow for flexible installation in various orientations, ensuring adaptability to different machine configurations. Whether deployed in **packaging machinery, conveyor systems, or automated assembly lines**, this actuator delivers consistent performance with minimal maintenance requirements, making it a cost-effective solution for industries seeking precision and durability. Backed by SMC s global reputation for innovation and quality, the AR30-02-1 represents a dependable choice for engineers and operators demanding high-performance pneumatic actuation in their applications.

### **Pros and Cons of buying a SMC AR30-02-1 (AR30021) Solenoid Valve**

The **SMC AR30-02-1** is a popular **2-way, normally closed (NC) pneumatic solenoid valve** commonly used in automation, robotics, and industrial applications. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros of the SMC AR30-02-1**

1. **Reliable Performance**

- SMC is a well-established brand in pneumatic automation, known for durable and consistent operation.

- The valve is designed for high-cycle applications, making it suitable for continuous use in industrial settings.

2. **Compact and Lightweight**

- The AR30 series is compact, making it ideal for applications with space constraints.

- Its small size does not compromise flow capacity for its class, providing efficient air control.

3. **Low Power Consumption**

- Operates efficiently with minimal electrical power, reducing energy costs.

- Suitable for battery-powered or low-voltage systems where power efficiency is critical.

4. **Quick Response Time**

- The valve opens and closes rapidly, making it ideal for applications requiring precise timing, such as robotics or CNC machines.

5. **Easy Installation and Maintenance**

- Standardized mounting options (e.g., flange or pipe connections) simplify integration into existing systems.

- Minimal maintenance required just periodic lubrication of seals if needed.

6. **Wide Compatibility**

- Works with standard compressed air (0.2 1.0 MPa / 3 150 PSI) and is compatible with most pneumatic actuators.

- Available in various configurations (e.g., 2-way, 3-way, or with different coil voltages).

7. **Cost-Effective for Small to Medium Applications**

- While not the cheapest valve on the market, its reliability and performance justify its cost for many industrial and hobbyist uses.

8. **Good for Low to Medium Flow Rates**

- Suitable for applications requiring controlled air flow (e.g., clamping, gripping, or simple actuation).

---

### **Cons of the SMC AR30-02-1**

1. **Limited Flow Capacity**

- The **AR30-02-1** has a **maximum flow rate of 20 L/min (0.7 ft /min)** at 0.6 MPa (87 PSI), which may be insufficient for high-demand applications.

- For larger systems, a valve with a higher flow rating (e.g., SMC s AR32 or AR40 series) would be more appropriate.

2. **Not Suitable for High-Pressure Applications**

- While it operates within standard pneumatic ranges, it is not designed for extremely high-pressure systems (above 1.0 MPa / 150 PSI).

- For high-pressure needs, specialized valves (e.g., SMC s AR50 series) are required.

3. **Coil Voltage Limitations**

- The standard coil voltages are **24V DC or 110V AC**, which may not be ideal for systems requiring **230V AC or other non-standard voltages**.

- Additional converters may be needed, adding complexity and cost.

4. **Sensitive to Contaminated Air**

- Like most pneumatic valves, the **AR30-02-1** can be affected by moisture, oil, or debris in the compressed air supply.

- Requires proper filtration (e.g., SMC s **AF series filters**) to prevent wear and failure.

5. **Limited Customization Options**

- Unlike larger industrial valves, the AR30 series has **fewer optional features** (e.g., no built-in pressure regulators or flow controls).

- For advanced applications, additional external components may be necessary.

6. **Potential for Leakage Over Time**

- Seals in solenoid valves can degrade with prolonged use, leading to **minor air leaks**.

- Regular inspection and maintenance are recommended to prevent inefficiencies.

7. **Not Ideal for Extreme Environments**

- While durable, it is not designed for **high-vibration, high-dust, or corrosive environments** without additional protection.

- For harsh conditions, consider **IP-rated or explosion-proof variants** (e.g., SMC s **AR30-IP65** series).

---

### **Conclusion**

The **SMC AR30-02-1** is a **reliable, compact, and efficient** solenoid valve well-suited for **small to medium pneumatic applications** where **low flow rates, quick response, and ease of use** are priorities. It excels in **automation, robotics, and light industrial processes** where space and power efficiency matter.

However, it is **not ideal for high-flow, high-pressure, or extreme-environment applications**. If your system requires **higher flow rates, different voltage requirements, or enhanced durability**, you may need to consider alternatives like the **SMC AR32, AR40, or AR50 series**.

---

### **Recommendation**

You need a **small, efficient, and reliable** solenoid valve for **low to medium flow applications** ( 20 L/min).

Your system operates within **standard pneumatic pressures (0.2 1.0 MPa)** and **standard voltages (24V DC or 110V AC)**.

You require **quick actuation** for tasks like **clamping, gripping, or simple pneumatic control**.

You are working in a **clean, controlled environment** with proper air filtration.

You need **higher flow rates** (e.g., for larger actuators or multiple simultaneous operations).

Your system requires **different voltage inputs** (e.g., 230V AC).

You operate in **high-pressure, high-vibration, or harsh environments**.

You need **built-in pressure regulation or flow control** (may require additional components with the AR30).

For most **hobbyist, educational, or small-scale industrial projects**, the **AR30-02-1 is an excellent choice** due to its **balance of performance, cost, and reliability**. However, always **verify your specific application requirements** before purchasing to ensure compatibility.

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. SMC AR30-02-1 / AR30021 USED DISCONTINUED BY MANUFACTURER, REGULATOR, SIZE 30, W/O BACKFLOW, THREAD RC, PORT 1/4, WITHOUT MOUNTING OPTION, PRESSURE GAUGE, -, 0.02 TO 0.2 MPA SETTING, RELIEVING TYPE, FLOW DIRECTION: LEFT RIGHT, DOWNWARD. Sells new and surplus product develops channels to purchase such.

Call to use a shipping service other than the ones listed.

part #: ar30021 prices

• $31.49-$55.81

specifications generapneumati:

• brand: Smc
• mpn: Ar30-02-1
• part type: Hydraulic Pneumatic

returns generapneumati:

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

general generapneumati:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Other Hydraulics Pneumatics
• condition: Used

offer generapneumati:

• started: February 5, 2026
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home

shipping generapneumati:

• class: Standard
• service: Standard
• transit: 25-37 Days
• cost: $12.90
• type: Fixed

seller generapneumati:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.5%
• # reviews: 188824

payments generapneumati:

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

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