HIGH VACUUM APPARATUS 122-0400 Hva Air Opftd Gate Valve Cf C202194 Conflat Flanges

( Brand: High Vacuum Apparatus ), ( Manufacturer Part Number: 122-0400 ), ( Part Type: Valve Vacuum Flange )

Review HIGH VACUUM APPARATUS Hva Air opftd Gate Valve Inch Cf Conflat Flanges

The **HVA High Vacuum Apparatus 122-0400 C202194 Air-Operated Gate Valve with CF Conflat Flanges** is a precision-engineered component designed for demanding applications in high-vacuum systems, where reliability, leak-tight performance, and durability are paramount. This valve combines the robustness of an air-operated mechanism with the superior sealing integrity of Conflat (CF) flanges, making it an ideal choice for scientific research, semiconductor manufacturing, and industrial processes requiring ultra-high vacuum (UHV) environments. The gate valve operates through a pneumatic actuator, allowing for rapid and precise control of gas flow with minimal manual intervention, which is particularly advantageous in automated or remote-controlled systems. The CF flanges, known for their metal-to-metal sealing, ensure an exceptionally low outgassing rate and excellent vacuum integrity, even under extreme conditions, while their standardized design facilitates seamless integration into existing vacuum chambers or piping systems. Constructed from high-quality materials such as stainless steel and specialized vacuum-grade alloys, this valve is engineered to withstand repeated cycles of pressurization and evacuation without compromising performance or structural integrity. Its air-operated design eliminates the need for manual torque adjustments, reducing the risk of human error and ensuring consistent, repeatable operation over extended periods. Additionally, the valve s compact yet sturdy construction allows for efficient space utilization in confined vacuum systems, while its compatibility with standard CF flange sizes (commonly 1.5", 2.75", or 4") ensures versatility across a wide range of applications. Whether used in particle accelerators, thin-film deposition systems, or other critical vacuum processes, this valve delivers the precision, reliability, and leak-tight performance required to maintain the integrity of high-vacuum environments.

### **Pros and Cons of buying a HVA High Vacuum Apparatus (Model 122-0400) with CF Conflat Flanges**

1. **High Vacuum Performance** The HVA 122-0400 is designed for high-vacuum applications, capable of achieving ultra-low pressures (typically in the range of 10 to 10 Torr). This makes it suitable for scientific research, semiconductor processing, thin-film deposition, and other precision vacuum environments.

2. **Durability and Reliability** Constructed with high-quality materials, including stainless steel and precision-engineered components, this apparatus is built to withstand prolonged use in demanding conditions. The robust design minimizes leaks and ensures long-term stability.

3. **CF Conflat Flanges** The use of Conflat (CF) flanges provides an ultra-tight seal, reducing outgassing and maintaining vacuum integrity. CF flanges are industry-standard in high-vacuum systems, offering ease of installation and compatibility with other vacuum components.

4. **Air-Operated Gate Valve** The inclusion of an air-operated gate valve allows for remote control of the vacuum system, improving efficiency and reducing manual intervention. This is particularly useful in automated or high-throughput applications.

5. **Compatibility with Vacuum Systems** The design is modular, making it easy to integrate with existing or future vacuum chambers, pumps, and other equipment. This flexibility enhances its utility in research labs, industrial settings, or academic institutions.

6. **Precision Engineering** The apparatus is likely manufactured with tight tolerances, ensuring minimal contamination and optimal performance in sensitive applications such as material science or vacuum metallurgy.

7. **Support and Warranty** Purchasing from a reputable supplier (assuming the vendor is credible) may include technical support, warranties, and access to spare parts, which can be crucial for maintaining the system over time.

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1. **High Initial Cost** High-vacuum apparatuses, especially those with specialized features like CF flanges and air-operated valves, are expensive. The upfront investment may be prohibitive for small labs, startups, or individuals with limited budgets.

2. **Maintenance Requirements** While durable, high-vacuum systems require regular maintenance, including leak checks, bake-out procedures (to remove absorbed gases), and occasional replacement of seals or components. This can add to operational costs over time.

3. **Complex Installation** Setting up a high-vacuum system requires expertise in vacuum technology, proper alignment of flanges, and ensuring a clean environment to avoid contamination. Improper installation can lead to leaks or reduced performance.

4. **Dependence on Supporting Equipment** The effectiveness of the HVA 122-0400 depends on compatible vacuum pumps, gauges, and other peripherals. Without the right supporting equipment, the system may not achieve optimal performance.

5. **Training and Expertise Needed** Operating and maintaining a high-vacuum system requires trained personnel. Without proper training, users may struggle with troubleshooting or optimizing the system s performance.

6. **Potential for Contamination** Even with CF flanges, residual gases or particles can contaminate the system if not properly baked out or cleaned. This is particularly critical in applications like semiconductor fabrication or material deposition.

7. **Limited Customization** Depending on the supplier, the HVA 122-0400 may have fixed specifications. If additional features (e.g., different flange sizes, custom ports) are needed, modifications may require additional costs or third-party solutions.

8. **Energy Consumption** High-vacuum pumps and associated equipment can consume significant power, especially during operation. This may contribute to higher utility costs, particularly in continuous or high-demand applications.

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The **HVA 122-0400 high-vacuum apparatus with CF Conflat flanges and an air-operated gate valve** is a high-quality, precision instrument well-suited for advanced scientific, industrial, or research applications requiring ultra-low pressures. Its strengths lie in its reliability, sealing performance, and compatibility with modern vacuum systems. However, the high cost, maintenance demands, and need for specialized expertise make it a significant investment that is best justified for long-term, high-value applications.

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- You are working in a field (e.g., semiconductor manufacturing, thin-film research, material science) where high-vacuum performance is critical.

- Your budget allows for the initial cost and potential maintenance expenses.

- You have access to trained personnel or can invest in training to operate and maintain the system.

- The system will be integrated into an existing or future vacuum infrastructure with compatible components.

- Your application does not require ultra-high vacuum (e.g., moderate vacuum levels may suffice).

- Budget constraints make the upfront cost or operational expenses unsustainable.

- You lack the technical expertise or infrastructure to properly install, maintain, and troubleshoot the system.

- The system will remain underutilized due to limited demand or project scope.

- If budget is a concern, explore lower-cost high-vacuum systems with similar specifications but fewer advanced features.

- For temporary or less demanding applications, consider renting or leasing the equipment.

- If CF flanges are not strictly necessary, systems with other flange types (e.g., ISO-K) may offer cost savings without sacrificing performance.

Ultimately, the HVA 122-0400 is a strong choice for professionals who prioritize performance and durability in high-vacuum applications but should be evaluated carefully against project requirements and resource constraints.

Details:

It opens and closes smoothly. This HVA High Vacuum Apparatus 122-0400 Air-Operated Gate Valve features 6 CF Conflat Flanges looks to be in good cosmetic condition, showing some minor signs of wear. The exposed Conflat knife edges appear to be in good shape, free of dents or dings. No software, power cords, or other accessories are included unless stated above.

95020 408 886-3700. The unpacked weight of this item is 21 pounds. However, I have no way of testing the valve under vacuum, and it is being sold as-is. Approximate overall unpacked dimensions: 16 L x 7 W 3.

specifications valvplu:

• brand: High Vacuum Apparatus
• mpn: 122-0400
• part type: Valve Vacuum Flange

offer valvplu:

• best offers: True
• sold: 0
• options: Ship-to-home
• started: April 6, 2026
• availability: In Stock
• quantity: 1

shipping valvplu:

• carrier: UPS
• service: UPS Ground
• class: Standard
• type: Calculated
• transit: 3-7 Days
• cost: $98.87

payments valvplu:

• other
• wallet: Paypal
• credit card: Visa

returns valvplu:

• policy: No Returns

general valvplu:

• Pumps Pump Accessories > Vacuum Pumps > Other Vacuum Pumps
• condition: For parts or not working

seller valvplu:

• rating: 100.0%
• city: Gilroy, California
• # reviews: 52632

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