1. Automation/Motion Controls For Sale
  2. sku: 16120907950176853
  3. SMC AC40-NO4G-3Z

SMC AC40-NO4G-3Z Pressure Regulator Lubricator Air Filter

Ac40-no4g-3z Smc Air Pressure Filter Regulator Lubricator

( Brand: Smc ), ( Manufacturer Part Number: AC40-NO4G-3Z ), ( Part Type: Pressure Regulator Lubricator Filter )

Review SMC Air Pressure Filter Regulator Lubricator

The **SMC AC40-NO4G-3Z** is a high-performance, precision-engineered air pressure filter regulator lubricator unit designed to deliver reliable, clean, and properly conditioned compressed air for a wide range of industrial, pneumatic, and automation applications. This compact yet robust unit combines three essential functions filtration, regulation, and lubrication into a single, integrated package, ensuring optimal performance and longevity for pneumatic systems. Built with SMC s signature quality and durability, the AC40-NO4G-3Z features a **40 mm (1.57 in) connection size**, making it suitable for medium to high-flow applications where consistent air quality and pressure control are critical. The unit incorporates a **high-efficiency particulate filter** with a **5 m absolute rating**, effectively removing contaminants such as dust, dirt, and moisture to prevent damage to downstream pneumatic components, ensuring smooth and reliable operation of cylinders, valves, and actuators. Beyond filtration, the built-in **pressure regulator** maintains precise and stable air pressure output, typically within 2% of the set value, which is essential for applications requiring consistent force, speed, or positioning in automated processes.

The lubrication function of the AC40-NO4G-3Z is equally critical, as it automatically injects a fine mist of **SMC s high-quality synthetic lubricant** into the compressed air stream, reducing wear and tear on moving parts, minimizing friction, and extending the lifespan of pneumatic equipment. This lubrication system is designed to operate continuously or intermittently, depending on system requirements, and is adjustable to control the amount of lubricant delivered, preventing over-lubrication while ensuring adequate protection. The unit s **3-way directional control valve** (indicated by the "NO" designation, meaning normally open) allows for flexible installation options, enabling the user to easily integrate the unit into existing pneumatic circuits with minimal modifications. The **3Z** designation signifies that this model is equipped with a **3/8" NPT (National Pipe Thread) male outlet**, providing compatibility with standard pneumatic fittings and hoses, while the robust stainless steel body and brass internals ensure resistance to corrosion, high pressure, and harsh environmental conditions.

Ideal for applications in manufacturing, packaging, material handling, and automation, the SMC AC40-NO4G-3Z is engineered to meet stringent industry standards, including **ISO 5000-1** for air quality and **ISO 6358** for lubrication performance. Its compact footprint and modular design make it easy to install in tight spaces, while the **quick-connect fittings** simplify maintenance and servicing. The unit s **pressure gauge** provides real-time feedback, allowing operators to monitor system performance and make adjustments as needed. Whether used in a cleanroom environment, a high-dust industrial setting, or a temperature-controlled facility, the AC40-NO4G-3Z delivers dependable performance, ensuring that compressed air remains clean, dry, and properly lubricated for peak efficiency. With SMC s reputation for innovation and reliability, this filter regulator lubricator is a trusted choice for engineers and technicians seeking a versatile, high-quality solution for their pneumatic air preparation needs.

### **Pros and Cons of buying a SMC AC40-NO4G-3Z (Air Pressure Filter Regulator Lubricator)**

#### **Pros:**

1. **Compact and Integrated Design** Combines filtration, regulation, and lubrication in a single unit, saving space and simplifying installation compared to separate components.

2. **High-Quality Filtration** The filter element effectively removes contaminants from compressed air, protecting downstream equipment from wear and damage.

3. **Precision Pressure Regulation** The built-in regulator ensures consistent air pressure output, reducing energy waste and improving system efficiency.

4. **Automatic Lubrication** The lubricator automatically injects oil into the air stream, reducing friction in pneumatic components and extending their lifespan.

5. **Durable Construction** Made from robust materials, this unit is designed for industrial use, offering reliability in demanding environments.

6. **Easy Installation and Maintenance** Standardized connections (e.g., G or G threads) make it compatible with most pneumatic systems, and filter/lubricator elements are replaceable without major disassembly.

7. **Energy Efficiency** By maintaining optimal pressure and reducing air contamination, it helps prevent unnecessary strain on pneumatic actuators and compressors.

8. **Versatile Applications** Suitable for general industrial use, including manufacturing, automation, and pneumatic tools, making it a cost-effective solution for various setups.

#### **Cons:**

1. **Limited Flow Rate** The AC40 model is designed for moderate airflow (up to 40 L/min at 7 bar), which may be insufficient for high-demand applications requiring larger units.

2. **Replacement Parts Cost** While the unit itself is reasonably priced, filter and lubricator elements may need frequent replacement, adding to long-term expenses.

3. **Pressure Range Limitations** The regulator is typically calibrated for a specific pressure range (e.g., 0.2 10 bar), which may not align perfectly with all system requirements without additional adjustments.

4. **No Digital Display or Advanced Controls** Unlike some higher-end models, this unit lacks digital pressure gauges or programmable settings, requiring manual monitoring.

5. **Potential Oil Leakage** If the lubricator is overfilled or damaged, oil can leak into the air line, contaminating the system if not properly maintained.

6. **Compatibility Issues** Some users may find that the thread size or mounting style doesn t match their existing setup, requiring adapters or modifications.

7. **Sensitivity to Contaminants** If the upstream air supply is heavily contaminated, the filter may clog quickly, reducing efficiency and requiring more frequent replacements.

#### **Conclusion:**

The **SMC AC40-NO4G-3Z** is a well-engineered, compact solution for applications requiring clean, regulated, and lubricated compressed air. It excels in environments where space is limited and basic pneumatic needs are met by moderate airflow demands. However, it may not be ideal for high-volume or highly specialized applications where larger flow rates, advanced controls, or custom pressure settings are required.

#### **Recommendation:** - **Buy it if:**

- You need a reliable, all-in-one filter-regulator-lubricator for general industrial or light-duty pneumatic systems.

- Your application requires consistent air quality and pressure within the unit s specified range.

- You prioritize simplicity, durability, and ease of maintenance over advanced features.

- **Consider alternatives if:**

- Your system demands higher airflow (opt for a larger model like the AC60 or AC100 series).

- You require precise digital monitoring or programmable settings (look for models with integrated gauges or electronic controls).

- Your air supply is extremely dirty, as you may need a higher-grade pre-filter before this unit.

- You frequently work with very low or very high pressure ranges outside the unit s standard calibration.

For most standard pneumatic setups, the **AC40-NO4G-3Z is a solid, cost-effective choice** that balances performance, ease of use, and reliability. Ensure proper sizing and maintenance to maximize its lifespan and efficiency.

Details:

The shipping price is shown for US lower 48 states. Your phone number and business name. Will there be a dock or forklift. All listed items are in stock at Bullseye Industrial Sales 180,000 sq.

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part #: ac40no4g3z price

  • $49.11

specifications automationjack:

  • brand: Smc
  • mpn: Ac40-no4g-3z
  • part type: Pressure Regulator Lubricator Filter

returns automationjack:

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

offer automationjack:

  • quantity: 1
  • sold: 0
  • best offers: True
  • options: Ship-to-home
  • availability: In Stock
  • started: June 12, 2026

seller automationjack:

  • rating: 99.8%
  • city: Middlebury, Indiana
  • # reviews: 66289

payments automationjack:

  • wallet: Paypal
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general automationjack:

  • condition: Used
  • Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

shipping automationjack:

  • transit: 3-6 Days
  • carrier: UPS, USPS
  • type: Calculated
  • service: UPS Ground, UPS Next Day Air, USPS Ground Advantage
  • cost: $26.34
  • class: Standard, One-day
part type: pressure regulator lubricator filter,
category: business & industrial > industrial automation motion controls > automation equipment, sku: 16120907950176853,
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1 offer $49.11 USD
  • Used. Offer #1 priced at $49.11 + $26.34 shipping estimate = $75.45* total. +$26.34 shipping

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