HVA 165-0150-2 High Vacuum Apparatus Right Angle Pneumatic Valve

( Brand: Hva ), ( Manufacturer Part Number: 165-0150-2 ), ( Type: Vacuum )

Review HVA Lot Of High Vacuum Apparatus Right Angle Pneumatic Valve

The **HVA 165-0150-2 High Vacuum Right Angle Pneumatic Valve** is a precision-engineered component designed for demanding applications in high-vacuum systems where reliability, durability, and leak-tight performance are paramount. This valve is specifically crafted to facilitate efficient gas flow control in environments where maintaining ultra-low pressures often below 10 mbar is critical, such as in semiconductor manufacturing, research laboratories, thin-film deposition, or advanced materials processing. Constructed from high-grade stainless steel (typically 304 or 316L), the valve ensures corrosion resistance and long-term stability, even under exposure to aggressive chemicals or extreme temperature fluctuations. Its right-angle design allows for optimal spatial integration within compact vacuum chambers or piping layouts, reducing installation complexity while maximizing functionality.

The pneumatic actuation mechanism of the HVA 165-0150-2 delivers rapid and precise control, enabling seamless switching between open and closed states with minimal hysteresis or lag. The valve s internal sealing system incorporates high-performance elastomers or metal-ceramic seals, depending on the application requirements, ensuring an ultra-low outgassing rate and maintaining vacuum integrity over extended periods. The robust construction includes a vacuum-tight flange connection, often featuring a CF (ConFlat) or ISO-K standard, which guarantees a hermetic seal without compromising the system s overall pressure performance. Additionally, the valve is engineered to withstand repeated cycling without degradation, making it ideal for automated processes where frequent activation is necessary.

For enhanced usability, the HVA 165-0150-2 is equipped with a modular design that allows for easy maintenance and replacement of internal components, such as seals or valve discs, without disrupting the vacuum environment. The pneumatic interface is compatible with standard control systems, enabling seamless integration into automated workflows via solenoid actuators or proportional control valves. Its compact yet sturdy build ensures minimal dead volume, reducing the risk of contamination and improving the efficiency of gas flow dynamics within the vacuum system. Whether deployed in high-precision research, industrial manufacturing, or specialized testing applications, this valve exemplifies the fusion of engineering excellence and performance, delivering consistent and reliable operation in the most exacting vacuum environments.

### **Pros and Cons of buying a HVA 165-0150-2 High Vacuum Right Angle Pneumatic Valve**

#### **Pros**

1. **High Vacuum Compatibility** Designed for use in high-vacuum systems (ultra-high vacuum, UHV, or high-vacuum applications), ensuring minimal gas leakage and reliable performance in controlled environments.

2. **Right-Angle Design** The compact, right-angle configuration allows for efficient space utilization in vacuum chambers or piping layouts where straight-through valves may not fit.

3. **Pneumatic Operation** Actuated by compressed air, offering quick and precise control without electrical interference, which is ideal for cleanroom or sensitive environments.

4. **Durable Construction** Likely made from materials resistant to corrosion, outgassing, and thermal cycling, ensuring long-term reliability in vacuum applications.

5. **Low Outgassing** Critical for UHV systems, where minimizing contaminant release is essential for maintaining vacuum integrity.

6. **Modular and Replaceable Parts** Some models allow for easy maintenance or replacement of seals, valves, or actuators, reducing downtime.

7. **Compatibility with Automation** Can be integrated into automated control systems via pneumatic or electronic interfaces for remote operation.

8. **Standardized Design** Often follows industry standards (e.g., ISO, CF, or custom flange standards), ensuring compatibility with existing vacuum systems.

#### **Cons**

1. **High Initial Cost** High-vacuum components, especially those with specialized materials and precision engineering, tend to be expensive compared to standard pneumatic valves.

2. **Maintenance Complexity** Requires specialized knowledge for installation, calibration, and troubleshooting, which may necessitate training or expert assistance.

3. **Limited Compatibility with Non-Vacuum Systems** Not suitable for general-purpose pneumatic applications; designed specifically for vacuum environments.

4. **Potential for Leakage Over Time** Even high-quality vacuum valves can develop leaks due to wear on seals or improper installation, requiring periodic checks.

5. **Dependence on Clean Air Supply** Pneumatic operation relies on a clean, dry, and properly pressurized air source; contamination in the air supply can affect valve performance.

6. **Long Lead Times** Specialized vacuum components may have extended delivery times, especially if sourced from niche manufacturers.

7. **Training Requirements** Operators may need training to handle the valve safely and effectively, adding to operational costs.

8. **Potential for Overkill** If the application does not require true high-vacuum performance, a simpler (and cheaper) valve may suffice.

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### **Conclusion**

The **HVA 165-0150-2** is a high-quality, specialized valve ideal for **high-vacuum applications** where precision, reliability, and minimal outgassing are critical. Its right-angle design and pneumatic actuation make it a practical choice for compact or automated systems. However, its **high cost, maintenance demands, and niche applicability** mean it may not be justified for general pneumatic or low-vacuum uses.

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### **Recommendation**

- You are working in a **high-vacuum or ultra-high-vacuum environment** (e.g., semiconductor manufacturing, scientific research, or vacuum coating).

- Space constraints require a **right-angle valve** for efficient piping.

- Your system requires **clean, interference-free pneumatic control** (e.g., cleanrooms or sensitive instrumentation).

- You have the **budget and expertise** to maintain and integrate it properly.

- Your application only requires **moderate or low-vacuum performance**, where a standard pneumatic valve would suffice.

- You lack the **technical resources** to install, maintain, or troubleshoot high-vacuum components.

- Cost is a major concern, and a less expensive alternative (e.g., a CF flange valve or manual valve) could meet your needs.

- Your air supply is **unreliable or contaminated**, which could compromise valve performance.

- If budget is a concern, explore **lower-cost high-vacuum valves** from other manufacturers (e.g., Vacuum Technology Group, Pfeiffer Vacuum, or Edwards).

- For non-critical applications, a **manual or electrically actuated vacuum valve** may offer better value.

- Verify if a **different flange standard** (e.g., ISO-K, NPT) is compatible with your system to avoid unnecessary upgrades.

Ultimately, this valve is a **specialized tool** best suited for high-end vacuum applications where its advantages outweigh its drawbacks. Careful evaluation of your specific requirements will determine whether it is the right choice.

Details:

Clean knife edges. Good condition. Removed from working instrument, all three valves were fine. UPS, FedEx or USPS shipping in the US.

Right angle Conflate valves CF 275 flanges.

part #: 16501502 prices

• $120.00-$155.00

specifications valvplu:

• brand: Hva
• mpn: 165-0150-2
• type: Vacuum

offer valvplu:

• quantity: 1
• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: April 14, 2026

general valvplu:

• condition: Used
• Pumps Pump Accessories > Vacuum Pumps > Other Vacuum Pumps

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• policy: No Returns

shipping valvplu:

• type: Calculated
• transit: 3-8 Days
• service: UPS Ground
• carrier: UPS
• cost: $53.70
• class: Standard

seller valvplu:

• rating: 100.0%
• city: Ithaca, New York
• # reviews: 1215

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