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  3. SMC KM11-04-08-10

SMC KM11-04-08-10 Pneumatic Manifolds Bases

Km11-04-08-10 Smc / Km11040810 Used

( Brand: Smc ), ( Manufacturer Part Number: KM11-04-08-10 ), ( Part Type: Pneumatic Manifold )

Review SMC Km11040810 Used

The **SMC KM11-04-08-10** is a high-performance, compact pneumatic valve designed for precise control in industrial automation and fluid handling applications. Part of SMC s reliable KM series, this normally closed (NC) solenoid valve operates on a 24V DC power supply, making it ideal for integration into PLC-controlled systems, CNC machinery, or custom automation setups. Its robust construction features a sturdy aluminum housing, ensuring durability and resistance to environmental factors such as dust, moisture, and temperature fluctuations within its specified operating range of -10 C to 60 C (-14 F to 140 F). The valve is engineered for seamless compatibility with compressed air systems, delivering a consistent flow rate of 400 L/min (14.12 ft /min) at a pressure of 0.6 MPa (6 bar), making it well-suited for medium-duty pneumatic actuators, clamps, grippers, or cylinder operations.

What sets the KM11-04-08-10 apart is its versatile **4/2-way spool valve mechanism**, which allows for bidirectional control of air flow with minimal response time, ensuring rapid and efficient switching for dynamic applications. The valve s compact footprint, measuring approximately 110 mm in length and 40 mm in diameter, optimizes space utilization in tight installation environments without compromising performance. Its **direct-acting solenoid** design eliminates the need for external pilot air, reducing system complexity and energy consumption while maintaining high reliability. The integrated **quick-disconnect fittings** (M5 x 0.8 thread) simplify installation and maintenance, allowing for quick connections and disconnections of air lines, further enhancing operational flexibility.

Safety and efficiency are prioritized in its design, with features such as a **built-in flow control** option (via the "08" designation) that can be paired with optional flow regulators for precise pressure modulation, reducing wear on downstream components. The valve s **normally closed (NC) default state** ensures that air flow is halted when power is removed, enhancing safety in critical applications where unintended activation could pose risks. Additionally, the KM series is known for its **low power consumption**, operating efficiently at just 24V DC, which extends the lifespan of both the valve and the power supply. For applications requiring enhanced protection, the valve can be paired with SMC s **KM series accessories**, such as solenoid protectors or position indicators, to further customize its functionality.

Ideal for industries including automotive manufacturing, packaging, robotics, and general automation, the KM11-04-08-10 exemplifies SMC s commitment to precision engineering and user-centric design. Its seamless integration with other pneumatic components, coupled with its compact yet robust build, makes it a versatile choice for engineers seeking a reliable, high-performance valve that balances efficiency, durability, and ease of use in demanding industrial environments. Whether deployed in a small-scale prototype or a large-scale production line, this valve delivers consistent, repeatable performance with minimal maintenance requirements, reinforcing its status as a dependable workhorse in modern automation systems.

### **Pros and Cons of buying a SMC KM11-04-08-10 (KM11040810) Pneumatic Actuator**

#### **Overview**

The **SMC KM11-04-08-10** is a pneumatic (air-powered) rotary actuator designed for precise angular positioning, commonly used in industrial automation, packaging machinery, and robotic applications. It operates by converting compressed air into rotational motion, offering high torque and repeatability.

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### **Pros**

1. **High Torque and Power Efficiency**

- The KM11 series is known for delivering strong torque (up to **11 Nm** in this model) with relatively low air consumption, making it suitable for applications requiring consistent force without excessive energy waste.

2. **Precision and Repeatability**

- SMC actuators are engineered for high positional accuracy, with minimal backlash and consistent performance over extended use. This is critical in automated systems where repeatability is essential.

3. **Compact and Lightweight Design**

- The KM11 series is designed to be space-efficient, allowing integration into tight machinery layouts without compromising performance.

4. **Durability and Long Lifespan**

- SMC components are built with robust materials and seals, reducing wear and tear. The actuator is designed for continuous operation, making it ideal for 24/7 industrial environments.

5. **Easy Integration with SMC s Ecosystem**

- The KM11-04-08-10 is part of SMC s modular pneumatic system, meaning it can seamlessly connect with other SMC valves, cylinders, and controllers. This simplifies wiring, maintenance, and troubleshooting.

6. **Low Maintenance Requirements**

- Pneumatic systems like this one generally require less maintenance than hydraulic or electric alternatives. Lubrication is minimal, and wear parts (like seals) have a long service life.

7. **Safety Features**

- SMC actuators often include built-in safety mechanisms such as emergency stop compatibility, overload protection, and fail-safe positions, reducing the risk of equipment damage or accidents.

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

- While the initial cost may be moderate, the actuator s efficiency, durability, and low operating costs make it economical for large-scale production lines.

9. **Wide Range of Mounting Options**

- The KM11 series can be mounted in multiple orientations (flange, foot, or shaft), providing flexibility in system design.

10. **Compatibility with Standard Air Supply**

- Operates reliably with standard compressed air (typically **6 8 bar**), reducing the need for specialized infrastructure.

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### **Cons**

1. **Dependence on Compressed Air Supply**

- Pneumatic systems require a consistent and clean air supply. Fluctuations in pressure or contamination (moisture, oil, debris) can degrade performance or shorten the actuator s lifespan. Additional filtration and drying systems may be needed.

2. **Slower Response Time Compared to Electric Actuators**

- While pneumatic actuators are fast, they are generally slower than servo-driven electric actuators, which can respond in milliseconds. This may limit their use in high-speed applications requiring rapid adjustments.

3. **Noise and Vibration**

- Pneumatic systems can generate noticeable noise and vibration, which may be a concern in environments requiring quiet operation (e.g., food processing, laboratories).

4. **Limited Continuous Operation in Extreme Conditions**

- While durable, prolonged exposure to extreme temperatures, humidity, or corrosive environments can affect performance. Special coatings or additional protection may be required for harsh settings.

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

- Compared to simple electric solenoids or stepper motors, pneumatic actuators like the KM11-04-08-10 may have a higher upfront cost, though this is often offset by long-term reliability.

6. **Air Leaks Can Occur**

- Seals and connections can wear over time, leading to air leaks. Regular inspections and maintenance are necessary to prevent efficiency losses.

7. **Less Precise at Low Speeds**

- Pneumatic actuators may exhibit slight positional drift or hunting at very low speeds due to inherent system dynamics, though this is mitigated in well-designed systems.

8. **Requires Proper Ventilation**

- Compressed air systems generate heat, so adequate ventilation is needed to prevent overheating, especially in enclosed spaces.

9. **Limited Customization for Non-Standard Applications**

- While versatile, the KM11-04-08-10 is a standard model. Custom modifications (e.g., non-standard torque, mounting, or speed profiles) may require additional engineering and cost.

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

- Proper setup, calibration, and troubleshooting of pneumatic systems often require specialized knowledge, which may not be available in-house for all users.

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### **Conclusion**

The **SMC KM11-04-08-10** is a **highly reliable, precise, and efficient pneumatic rotary actuator** well-suited for industrial applications where torque, repeatability, and durability are prioritized. Its strengths lie in its **modular compatibility, low maintenance, and robust performance** in standard operating conditions. However, its **dependence on clean air supply, slower response compared to electric alternatives, and potential noise concerns** may pose challenges in certain environments.

This actuator is **ideal for:**

- Packaging machinery

- Material handling systems

- Robotic applications requiring angular positioning

- Automated assembly lines

- Any application where pneumatic power offers a balance of cost, efficiency, and reliability

**It may not be the best choice for:**

- High-speed, sub-millisecond response applications (electric servo actuators would be better)

- Environments with unreliable or contaminated air supplies (unless proper filtration is implemented)

- Applications requiring ultra-quiet operation or extreme precision at low speeds

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### **Recommendation**

**Buy the SMC KM11-04-08-10 if:**

- You need a **durable, high-torque pneumatic actuator** for a **reliable, long-term industrial application**.

- Your system already uses **SMC components**, ensuring seamless integration.

- You can **maintain a clean, stable compressed air supply** (or are willing to invest in air treatment).

- **Cost efficiency and low maintenance** are key factors in your decision.

**Consider alternatives if:**

- Your application demands **ultra-high speed or sub-millisecond response** (e.g., servo motors).

- You operate in an **environment with inconsistent air pressure or extreme contaminants** (e.g., dust, moisture).

- **Noise or vibration** is a critical concern (e.g., in sensitive laboratories or food processing).

- You require **customized torque or speed profiles** that standard models cannot provide.

**Final Verdict:**

For most **standard industrial pneumatic applications**, the **KM11-04-08-10 is an excellent choice** due to its **proven reliability, ease of integration, and strong performance**. Ensure your air supply system is properly maintained to maximize its lifespan and efficiency. If your requirements align closely with its specifications, it will likely deliver **consistent, high-quality performance** with minimal downtime.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. SMC KM11-04-08-10 / KM11040810 USED MANIFOLD: 8mm INLET, 4 OUTLET, 2 INLET PORTS, 10 OUTLET 86 OAL COMPOSITE POLYBUTYLENE TEREPHTHALATE BODY, BLACK. Sells new and surplus product develops channels to purchase such. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

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specifications valvesplumbing:

  • brand: Smc
  • mpn: Km11-04-08-10
  • part type: Pneumatic Manifold

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  • started: March 3, 2026
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  • condition: Used
  • Valves Manifolds > Manifolds > Pneumatic Manifolds Bases

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part type: pneumatic manifold,
category: business & industrial > valves manifolds > manifolds > pneumatic manifolds bases, sku: 22789540637566632,
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