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ACROSS INTERNATIONAL AV065H6 Dual Rotary Vane Vacuum Pump 21CFM 1.1KW

Av065h6 Across International Dual Stage Rotary Vane Vacuum Pump 21cfm 1.1kw

( Brand: Across International ), ( Manufacturer Part Number: AV065H6 ), ( Part Type: Vacuum Pump ), ( Maximum Power: 1.1 Kw ), ( Maximum Flow Rate: 21 Cfm ), ( Number Of Stages: Dual Stage )

Review ACROSS INTERNATIONAL Dual Stage Rotary Vane Vacuum Pump 21cfm 1.1kw

The **Across International AV065H6 Dual Rotary Vane Vacuum Pump** is a high-performance, oil-sealed rotary vane vacuum pump designed for precision applications requiring reliable and consistent vacuum performance across a wide range of industries. Engineered with advanced engineering and robust construction, this pump delivers a maximum displacement of **21 CFM (0.35 m /min)** at its rated speed of **3,000 RPM**, making it ideal for applications such as vacuum furnaces, freeze-drying systems, laboratory equipment, semiconductor processing, and industrial degassing. Powered by a **1.1 kW (1.5 HP) electric motor**, the AV065H6 ensures efficient operation while maintaining low noise levels and minimal vibration, contributing to a quieter and more stable working environment.

The dual rotary vane design enhances the pump s efficiency and longevity by distributing mechanical stress more evenly across the vanes, reducing wear and tear compared to single-vane systems. This configuration also improves suction performance and minimizes oil carryover, ensuring cleaner vacuum output and reducing maintenance requirements. The pump is equipped with a **high-quality synthetic oil reservoir** that provides superior lubrication and thermal stability, extending the operational life of the pump while maintaining optimal vacuum levels. Its sealed design prevents external contaminants from entering the system, further protecting internal components and ensuring consistent performance over extended periods.

Featuring a **compact yet durable housing**, the AV065H6 is built to withstand demanding operational conditions, with corrosion-resistant materials and reinforced seals to enhance durability. The pump includes a **pressure gauge port** for easy monitoring of vacuum levels, along with a **quick-connect flange** for hassle-free installation and disconnection. Its versatile inlet and outlet configurations accommodate various piping setups, making it adaptable to different industrial and laboratory applications. Additionally, the pump is designed with **energy-efficient motor technology**, reducing operational costs while delivering peak performance.

Safety and ease of maintenance are prioritized in the AV065H6 s design, with features such as an **overload protection mechanism** to prevent motor damage and a **user-friendly oil fill and drain system** for simple upkeep. The pump s robust construction and reliable sealing ensure minimal oil consumption, reducing the frequency of refills and contributing to cost savings. Whether used in research laboratories, manufacturing processes, or specialized industrial applications, the Across International AV065H6 Dual Rotary Vane Vacuum Pump offers a dependable, high-efficiency solution for achieving precise and consistent vacuum levels with minimal operational hassle.

### **Pros and Cons of buying a AV065H6 Dual Rotary Vane Vacuum Pump (21 CFM, 1.1 kW)**

#### **Pros**

1. **High Efficiency and Performance**

The dual rotary vane design ensures better sealing and reduced internal leakage compared to single-stage pumps, leading to higher ultimate vacuum levels (typically around 10 to 10 mbar) and consistent flow rates (21 CFM at rated conditions). This makes it suitable for applications requiring moderate to high vacuum levels, such as laboratory equipment, small-scale industrial processes, or vacuum furnaces.

2. **Reliable and Durable Construction**

Rotary vane pumps are known for their robustness and longevity, especially when properly maintained. The AV065H6 appears to be built for continuous operation, with oil-lubricated components that reduce wear over time. The 1.1 kW motor provides sufficient power for sustained use without excessive energy consumption.

3. **Versatile Applications**

This pump can handle a variety of tasks, including:

- **Laboratory use** (e.g., freeze-drying, vacuum filtration, or vacuum ovens).

- **Industrial processes** (e.g., vacuum degassing, packaging, or small-scale manufacturing).

- **Automotive and aerospace testing** (e.g., leak detection or component testing).

The 21 CFM flow rate strikes a balance between efficiency and practicality for many non-cryogenic or low-temperature vacuum needs.

4. **Oil-Lubricated Design**

Oil-lubricated rotary vane pumps generally offer better sealing and longer service life compared to dry pumps, as the oil acts as both a lubricant and a sealant. This reduces the risk of mechanical failure due to friction or contamination.

5. **Moderate Energy Consumption**

At 1.1 kW, the pump is energy-efficient for its capacity, making it cost-effective to operate compared to larger industrial pumps. It is also quieter than many reciprocating pumps, which can be advantageous in laboratory or office environments.

6. **Ease of Maintenance**

Rotary vane pumps are relatively straightforward to maintain. Regular oil changes (typically every 1,000 2,000 hours) and occasional vane replacements are usually sufficient to keep the pump running smoothly. Many models include oil level indicators and pressure gauges for easy monitoring.

7. **Compatibility with Aftermarket Parts**

As a widely used design, the AV065H6 (or similar models) may have access to replacement parts, filters, and accessories from multiple suppliers, reducing downtime if maintenance is required.

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#### **Cons**

1. **Oil Contamination Risk**

While oil-lubricated pumps are durable, they introduce the risk of oil vapor or particles contaminating the vacuum system. This can be problematic in applications where cleanliness is critical, such as semiconductor manufacturing or pharmaceutical processes. Additional filtration or a dry pump may be required in such cases.

2. **Limited Ultimate Vacuum**

The AV065H6 is not a high-vacuum pump; its ultimate vacuum is typically in the range of 10 to 10 mbar. For applications requiring ultra-high vacuum (e.g., UHV or research-grade systems), a different pump (such as a turbomolecular or diffusion pump) would be necessary.

3. **Noise and Vibration**

Rotary vane pumps can generate noticeable noise and vibration, especially at higher speeds or when handling gases with high moisture content. This may not be ideal for sensitive environments or applications requiring absolute silence.

4. **Gas Ballast Limitations**

Some rotary vane pumps struggle with condensable gases (e.g., water vapor) unless equipped with a gas ballast system. If the application involves humid or corrosive gases, additional precautions (such as a cold trap or desiccant) may be needed to prevent oil degradation or pump damage.

5. **Higher Initial Cost Compared to Dry Pumps**

While the AV065H6 is not excessively expensive, oil-lubricated pumps generally cost more upfront than dry pumps of similar capacity. However, the trade-off is often better performance and longevity.

6. **Oil Degradation Over Time**

Oil in rotary vane pumps breaks down with use, especially when exposed to high temperatures or contaminated gases. This requires regular oil changes and may add to long-term operational costs if not managed properly.

7. **Not Suitable for Cryogenic or Extreme Temperatures**

The pump is not designed for cryogenic applications (e.g., liquid nitrogen or helium cooling) or extreme temperature fluctuations. For such uses, specialized pumps (e.g., cryopumps or cold traps) would be required.

8. **Potential for Leakage**

Over time, vanes and seals may wear out, leading to reduced vacuum performance or air ingress. This necessitates periodic inspections and part replacements to maintain efficiency.

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### **Conclusion**

The **AV065H6 dual rotary vane vacuum pump (21 CFM, 1.1 kW)** is a solid choice for applications requiring a **moderate to high vacuum (10 to 10 mbar) with reliable, oil-lubricated performance**. It excels in **laboratory, industrial, and small-scale manufacturing environments** where cost-effectiveness, durability, and consistent flow are prioritized over ultra-high vacuum or absolute cleanliness.

However, it is **not ideal for applications demanding ultra-high vacuum, cryogenic conditions, or oil-free operation**. Users must also account for **maintenance requirements (oil changes, vane replacements) and potential noise/vibration** when selecting this pump.

If your application involves **contaminated gases, high humidity, or extreme cleanliness requirements**, consider pairing this pump with additional filtration or opting for a dry pump. For **ultra-high vacuum needs**, a turbomolecular or diffusion pump would be more appropriate.

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### **Recommendation**

**Buy the AV065H6 if:**

- You need a **reliable, mid-range vacuum pump** for laboratory, industrial, or general-purpose use.

- Your budget allows for **oil maintenance** and you can accommodate occasional noise/vibration.

- The application does not require **ultra-high vacuum or oil-free operation**.

- You can source **genuine replacement parts** and perform regular maintenance.

**Avoid or Consider Alternatives if:**

- You require **ultra-high vacuum (UHV) or clean vacuum environments** (e.g., semiconductor, pharmaceutical).

- Your process involves **highly corrosive or condensable gases** without proper filtration.

- You need **cryogenic or extreme temperature compatibility**.

- You prefer **oil-free operation** (consider a dry screw or diaphragm pump instead).

**Final Verdict:**

For most **moderate vacuum applications** where cost, durability, and performance are balanced, the AV065H6 is a **practical and efficient purchase**. Ensure proper installation, regular maintenance, and compatibility with your specific use case to maximize its lifespan and effectiveness.

Details:

specifications valvplu:

  • brand: Across International
  • mpn: Av065h6
  • part type: Vacuum Pump
  • maximum power: 1.1 Kw
  • maximum flow rate: 21 Cfm
  • number of stages: Dual Stage

offer valvplu:

  • availability: In Stock
  • quantity: 1
  • started: March 10, 2026
  • sold: 0
  • best offers: True
  • options: Ship-to-home

shipping valvplu:

  • carrier: FedEx
  • type: Calculated
  • cost: $125.10
  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 3-9 Days

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  • # reviews: 0
  • city: Las Vegas, Nevada
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general valvplu:

  • condition: Used
  • Pumps Pump Accessories > Vacuum Pumps > Rotary Vane Pumps

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part type: vacuum pump, maximum power: 1.1 kw, maximum flow rate: 21 cfm, number of stages: dual stage,
category: business & industrial > pumps pump accessories > vacuum pumps > rotary vane pumps, sku: 11691159353418603,
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