SMC AF40-04C-A Box

( Brand: Smc ), ( Manufacturer Part Number: AF40-04C-A ), ( Part Type: Box )

Review SMC Af4004ca New In Box

The **SMC AF40-04C-A (AF4004CA)** is a high-performance, compact air filter designed for precision pneumatic applications, offering exceptional filtration efficiency and durability in demanding industrial environments. Part of SMC s reliable AF series, this filter is engineered to deliver clean, contaminant-free compressed air while maintaining optimal system performance and longevity. The unit features a robust **40 mm (1.57-inch) housing** with a compact yet sturdy design, making it ideal for integration into tight spaces within automated machinery, robotics, or process control systems. Its **4-micron absolute filtration rating** ensures the removal of fine particles, dust, oil aerosols, and other airborne contaminants, safeguarding sensitive pneumatic components such as valves, cylinders, and actuators from premature wear and failure. Constructed from high-quality materials, including a durable **aluminum alloy housing** and a reinforced **polypropylene filter element**, the AF40-04C-A is built to withstand high-pressure fluctuations and harsh operating conditions, providing consistent filtration performance even under heavy loads.

One of the standout features of this filter is its **quick-connect design**, which simplifies installation and maintenance. The filter s **threaded 1/4" NPT (G1/4") male and female ports** allow for easy connection to standard pneumatic lines, while the **screw-on drain valve** enables efficient and hassle-free cleaning or replacement of the filter element without the need for specialized tools. The **AF series patented filter element** combines a high-efficiency pleated media with a robust frame, maximizing surface area for superior filtration while minimizing pressure drop a critical factor in maintaining system efficiency. Additionally, the filter s **self-draining mechanism** helps prevent water buildup, reducing the risk of corrosion and ensuring reliable operation over extended periods.

Beyond its technical specifications, the **AF40-04C-A** is a testament to SMC s commitment to quality and innovation in pneumatic solutions. Its compact yet robust construction makes it a versatile choice for a wide range of applications, from CNC machining and packaging systems to automotive assembly lines and laboratory instrumentation. The filter s **low-maintenance design** and **long service life** contribute to reduced downtime and operational costs, making it a cost-effective investment for industries prioritizing precision and reliability. Whether used as a standalone unit or as part of a larger filtration system, the AF40-04C-A delivers consistent, high-quality air filtration, ensuring that pneumatic systems operate at peak efficiency while protecting critical components from the damaging effects of contamination.

### **Pros and Cons of buying a SMC AF40-04C-A (AF4004CA) Air Filter**

#### **Overview**

The **SMC AF40-04C-A** is a compact, high-efficiency air filter designed for compressed air systems, particularly in industrial and pneumatic applications. It is a **particulate filter** (typically rated for **ISO Class 4 or better**) that removes contaminants such as dust, oil mist, and solid particles from compressed air before it reaches sensitive equipment.

---

### **Pros**

1. **High Filtration Efficiency**

- The AF40-04C-A is engineered to capture fine particles (down to **0.01 m**), making it suitable for applications requiring clean, dry air (e.g., pneumatic tools, paint sprayers, or sensitive instrumentation).

- Reduces wear and tear on downstream equipment, extending its lifespan.

2. **Compact and Space-Efficient Design**

- The **AF40 series** is designed for **small to medium-sized systems**, making it ideal for installations where space is limited.

- The **box-style housing** allows for easy mounting in tight areas.

3. **Durable Construction**

- Made from **high-quality materials**, including stainless steel or reinforced plastic, ensuring longevity in industrial environments.

- Resistant to corrosion and pressure fluctuations.

4. **Easy Installation and Maintenance**

- Standard **flanged connections** (typically **G " or G " NPT**) make installation straightforward.

- **Replaceable filter elements** (available separately) simplify maintenance users can swap out the filter without replacing the entire unit.

- Some models include **pressure gauges** for monitoring differential pressure, alerting users when replacement is needed.

5. **Compatibility with SMC s Pneumatic Systems**

- Designed to integrate seamlessly with **SMC s air preparation and control systems**, ensuring optimal performance with their compressors, regulators, and valves.

- Works well in **oil-free and oil-injected air systems** (depending on the specific model variant).

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

- More affordable than larger industrial filters while still providing high filtration.

- Reduces long-term costs by preventing contamination-related equipment failures.

7. **Versatile Applications**

- **Pneumatic tools** (impact wrenches, drills, spray guns)

- **Automation and robotics** (clean air for actuators and cylinders)

- **Medical and food-grade applications** (if paired with appropriate filters)

- **Laboratory and testing equipment**

---

### **Cons**

1. **Limited Flow Rate for High-Demand Systems**

- The **AF40-04C-A** is designed for **low to medium airflow applications** (typically **40 L/min to 400 L/min**, depending on pressure drop).

- **Not ideal for large-scale industrial compressors** that require higher flow rates larger filters (e.g., SMC AF series with higher ratings like AF100 or AF200) may be needed.

2. **Pressure Drop Considerations**

- Like all filters, it introduces a **slight pressure drop**, which can affect system efficiency.

- Over time, as the filter clogs, the pressure drop increases, requiring more frequent replacements.

- Users must ensure their compressor can compensate for this without overworking.

3. **Filter Element Replacement Costs**

- While the housing is durable, **filter elements degrade over time** and must be replaced periodically.

- Replacement elements (e.g., **AF40-04C-A filter cartridge**) add to long-term costs, though they are generally affordable.

4. **Sensitivity to Contaminants**

- If the **upstream air is heavily contaminated** (e.g., from poor compressor maintenance or dirty intake), the filter may clog quickly.

- In such cases, a **pre-filter (e.g., SMC AF40-01C-A)** should be installed before the AF40-04C-A to extend its lifespan.

5. **Limited Temperature and Pressure Ratings**

- **Operating temperature:** **-10 C to 80 C (14 F to 176 F)**

- **Max working pressure:** **10 bar (145 psi)**

- If operating in **extreme temperatures or high-pressure environments**, a specialized filter may be required.

6. **No Built-In Moisture Separation**

- The **AF40-04C-A is primarily a particulate filter** and does **not remove moisture** (unless combined with a **coalescing filter or aftercooler**).

- For applications requiring **dry air**, additional filtration stages (e.g., **SMC AF40-05C-A for moisture removal**) are necessary.

7. **Potential for Leaks at Connections**

- Improper installation or worn seals can lead to **air leaks**, reducing efficiency.

- Users must ensure **proper gasket installation** and **tight connections** to prevent bypass.

---

### **Conclusion**

The **SMC AF40-04C-A** is a **reliable, compact, and efficient particulate filter** well-suited for **small to medium pneumatic systems** where clean air is critical. Its **high filtration rating, ease of maintenance, and compatibility with SMC s ecosystem** make it a strong choice for applications like **pneumatic tools, automation, and light industrial processes**.

However, it is **not ideal for high-flow applications** or environments with **extreme contaminants, moisture, or pressure demands**. Users should consider:

- **Adding a pre-filter** if upstream air quality is poor.

- **Pairing with a moisture separator** if dry air is required.

- **Checking flow rate and pressure drop** to ensure compatibility with their system.

For **most small-scale, contamination-sensitive applications**, the **AF40-04C-A is a solid investment** that balances **performance, cost, and ease of use**.

---

### **Recommendation**

You need a **high-efficiency particulate filter** for a **small to medium pneumatic system**.

Your application requires **clean air for tools, automation, or sensitive equipment**.

You have **limited space** and need a compact solution.

You are already using **SMC components**, ensuring seamless integration.

Your system requires **high flow rates** (opt for **AF100 or AF200 series**).

You need **moisture removal** (add an **AF40-05C-A or aftercooler**).

Your air is **heavily contaminated** (install a **pre-filter first**).

You operate in **extreme temperatures or pressures** (check SMC s **high-temperature or high-pressure variants**).

For **most users in standard industrial or workshop settings**, the **AF40-04C-A is a recommended purchase** due to its **reliability, efficiency, and cost-effectiveness**. Ensure proper installation and regular maintenance to maximize its lifespan.

Details:

All products are guaranteed to be working but may show signs of use. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. The product is used surplus. SMC AF40-04C-A / AF4004CA NEW IN BOX AF MASS PRO, 1/2 MODULAR PT, PRO.

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

part #: af4004c prices

• $54.00-$85.00

specifications hydraulivalv:

• brand: Smc
• mpn: Af40-04c-a
• part type: Box

payments hydraulivalv:

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

returns hydraulivalv:

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

seller hydraulivalv:

• rating: 99.6%
• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 194839

general hydraulivalv:

• Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Filters Cartridges > Hydraulic Filters
• condition: New Open box

offer hydraulivalv:

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

shipping hydraulivalv:

• service: Standard
• type: Fixed
• transit: 2-4 Days
• cost: $12.90
• class: Standard

Smc AF40-04C Is Similar To:

• Aw30-n02-2z Smc Brand New Modular Filter Regulator (25.6% similar) Please see photos to what is included. If it is not in the pictures, included. If you are not happy, we happy. Use shipping calculator for expedited options. If it is in the picture, included. Condition: this item is new but may not have the original packaging or paperwork...(March 28th, 2018)
• Fh-tk300-10-02m Smc New Hydraulic Filter Housing Assembly Npt (24.7% similar) Vb industrial supply offers a huge selection of tools for every trade including new and used electrical, mechanical, hydraulic pneumatic components supplies. If you ever have any questions or are unsatisfied, for reason please let us know. Our listings include many detailed photos. Vb industrial ...(July 13th, 2018)
• Lva40-03-a Smc Fluoropolymer Valve New (35.1% similar) ...(June 17th, 2017)
• Naf4000-n03d Smc New Npt Air Filter Max Press (32.1% similar) Use shipping calculator for expedited options.: you are buying a new Smc NAF4000-N03D 3/8 not air filter, max press please see photos to what is included. If it is not in the pictures, included. If it is in the picture, included. If you are not happy, we happy. Condition: this item is new but may ...(March 23rd, 2018)
• Namc510-n06 Smc New Npt Amc Exhaust Cleaner Filter Max Flow Rate (20% similar) If you ever have any questions or are unsatisfied, for reason please let us know. Our listings include many detailed photos. Vb industrial supply takes great pride to honestly and accurately describe each item listed. Vb industrial supply offers a huge selection of tools for every trade including ...(September 19th, 2018)
• Smc-041 Limitorque New Smc-04 Actuator (37.8% similar) New limiter SMC-04 actuator with electric motor 230 460V...(July 18th, 2017)
• Vv5qc41-04c12f-x72 Smc Mfld Plug In Vv5qc41 Manifold Vqc 5-port New Package (25.2% similar) ...(January 12th, 2016)
• Smc Em420-149w New Hydraulic Filter Element (35.4% similar) New Smc EM420-149W hydraulic filter element. New unused item. Inventory # CC-2-2B. It is greatly appreciated...(October 18th, 2023)
• Smc C2sf-a C2sfa Brand New (50% similar) Call to use a shipping service other than the ones listed. Packaging and handling, items are safely eds packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such. The product is used surplus. All products are guaranteed to be working but may...(October 8th, 2024)
• Smc Fn1101n-10-s005 Fn1101n10s005 New No Box (51.2% similar) All products are guaranteed to be working but may show signs of use. The product is used surplus. Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. Packaging and handling, items are safely eds packaged in custom shipping ...(October 9th, 2024)
• Smc Afm40-04-a Air Filter With Transparent Bowl New (46% similar) Enhance your systems performance with this high-quality filter from a trusted manufacturer. Model: AFM40-04-A. Specifications:: type: air filter. Stock #:: IGAM0260515. Model: Smc AFM40-04-A air filter, brand new with a transparent bowl design for easy monitoring...(October 14th, 2024)