VAT 12146-PA24-AF11-0010 Vacuum Gate Valve Flanges 12146-PA24-AF11/0010 DN200

( Brand: Vat ), ( Manufacturer Part Number: 12146-PA24-AF11/0010 ), ( Part Type: Vacuum Valve Flange ), ( Unit Type: Unit ), ( Body Material: Aluminum ), ( Valve Operation: Air-operated )

Review VAT 12146-pa24-af11/0010 Vacuum Gate Valve Flanges

The **VAT 12146-PA24-AF11/0010 Vacuum Gate Valve (DN200, Flanged)** is a high-performance, precision-engineered valve designed for demanding applications in vacuum systems where reliability, leak integrity, and long-term durability are paramount. This valve is specifically crafted to maintain ultra-low pressure environments, making it an ideal choice for industries such as semiconductor manufacturing, medical device production, aerospace, and advanced scientific research where even the slightest contamination or pressure fluctuation can compromise process efficiency or product quality. Constructed with a **DN200 (8-inch) nominal size**, this valve accommodates substantial flow rates while ensuring minimal pressure drop, thanks to its streamlined internal design and optimized flow path. The **flanged connection (AF11 standard)** provides a robust, leak-tight interface, compatible with a wide range of vacuum chambers, piping systems, and downstream equipment, facilitating seamless integration into existing infrastructure.

At the heart of this valve lies a **high-purity, stainless steel (typically 316L or 304L) construction**, chosen for its exceptional resistance to corrosion, thermal shock, and chemical exposure, ensuring longevity even in the most aggressive environments. The **gate mechanism** operates with precision, featuring a **low-outgassing, non-magnetic disc** that minimizes residual contamination and maintains vacuum integrity over extended periods. The valve s **actuation system** whether manual, pneumatic, or electric is engineered for smooth, repeatable operation, with minimal friction and wear, reducing the risk of valve failure and maintaining consistent performance across countless cycles. The **vacuum-tight sealing** is achieved through advanced elastomeric or metal-to-metal sealing technologies, depending on the application requirements, ensuring that the valve can sustain pressures as low as **10 mbar** without compromising its structural integrity.

One of the standout features of this valve is its **modular and customizable design**, allowing for tailored configurations to meet specific operational demands. The **PA24 designation** suggests a robust pneumatic or electric actuator, capable of precise control and rapid response, while the **AF11 flange standard** ensures compatibility with industry-wide vacuum systems. Additionally, the valve s **vacuum-compatible materials** such as low-permeation elastomers, non-evaporable getter coatings, or baked-out stainless steel are selected to minimize outgassing, a critical factor in maintaining ultra-high vacuum (UHV) conditions. The **DN200 size** also allows for efficient handling of large gas volumes, making it suitable for applications where throughput is a key consideration, such as in vacuum furnaces, thin-film deposition systems, or particle accelerators.

Beyond its technical specifications, the **VAT 12146-PA24-AF11/0010** is built with **maintenance accessibility** in mind, featuring easy-to-service components and clear diagnostic indicators to monitor valve health. Its **durable housing** is designed to withstand thermal cycling, vibration, and repeated pressure differentials without deformation, ensuring a long operational lifespan. Whether deployed in a cleanroom environment, a high-precision laboratory, or an industrial vacuum system, this valve delivers **uncompromising performance**, combining engineering excellence with the reliability needed to support critical processes where failure is not an option. With its blend of precision, durability, and adaptability, it stands as a cornerstone component for any application demanding the highest standards of vacuum technology.

### **Pros and Cons of buying a Vacuum Gate Valve (VAT 12146-PA24-AF11/0010, DN200, Flanged)**

#### **Pros**

1. **High Vacuum Performance** Designed for ultra-high vacuum (UHV) applications, ensuring minimal gas leakage and maintaining stable vacuum levels in systems requiring extreme cleanliness, such as semiconductor manufacturing, particle accelerators, or scientific research.

2. **Durable Construction** Made from high-quality materials (likely stainless steel or specialized alloys) to withstand repeated thermal cycling, chemical exposure, and mechanical stress without degrading.

3. **Precision Engineering** The gate valve s design allows for smooth, leak-tight sealing when fully closed, reducing contamination risks in sensitive environments. The flanged connection (DN200) ensures a robust, reusable seal.

4. **Compatibility with Vacuum Systems** Suitable for use in systems requiring high reliability, such as those in cleanrooms, mass spectrometers, or cryogenic applications, where standard valves may fail.

5. **Long Service Life** Properly maintained, this valve can last decades, reducing long-term replacement costs and downtime.

6. **Customizable Options** The model number suggests potential customization for specific vacuum ranges, materials, or actuation methods (e.g., manual, pneumatic, or motorized).

7. **Brand Reputation** VAT (Vacuum Atmospheres Technology) is a well-known manufacturer in the vacuum industry, indicating a track record of quality and support.

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#### **Cons**

1. **High Initial Cost** As a specialized vacuum component, this valve is likely more expensive than standard industrial valves, which may be a barrier for smaller budgets or non-critical applications.

2. **Maintenance Complexity** Ultra-high vacuum systems require precise maintenance, including regular leak checks, lubrication (if applicable), and potential outgassing treatments. Improper handling can compromise performance.

3. **Limited Compatibility** Not all vacuum systems may require UHV-grade valves. Over-specifying could lead to unnecessary expense if lower vacuum standards suffice.

4. **Specialized Installation** Requires trained personnel to install correctly, including proper sealing, alignment, and integration with the vacuum system s pumping infrastructure.

5. **Potential for Contamination** If not properly baked or outgassed during installation, residual gases or particles from the valve itself could contaminate the system.

6. **Lead Time** Custom or high-end vacuum components may have longer lead times than off-the-shelf industrial valves, delaying project timelines.

7. **Actuation Dependencies** If the valve requires pneumatic or motorized operation, additional infrastructure (e.g., control systems, compressed air) may be needed, adding complexity.

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### **Conclusion**

The **VAT 12146-PA24-AF11/0010 vacuum gate valve (DN200, flanged)** is an excellent choice for **high-stakes vacuum applications** where reliability, cleanliness, and longevity are critical. Its superior performance in UHV environments justifies the higher cost for industries like semiconductor manufacturing, scientific research, or particle physics. However, for **lower-vacuum applications** or cost-sensitive projects, a standard vacuum valve may be more practical.

### **Recommendation**

- You require **ultra-high vacuum performance** (e.g., cleanrooms, research labs, semiconductor fabrication).

- Your budget allows for a **premium, long-term investment** in a valve that minimizes downtime and contamination risks.

- You have access to **proper installation and maintenance expertise** to ensure optimal performance.

- Your application only requires **moderate or rough vacuum** (lower-cost valves will suffice).

- You lack the **infrastructure or personnel** to maintain a high-vacuum system properly.

- The **upfront cost** is prohibitive compared to the valve s expected usage lifespan.

For most **non-critical or general industrial vacuum applications**, a standard gate valve (e.g., from brands like Swagelok, Vacuum Atmospheres lower-tier models, or ASCO) would be a more economical alternative. However, if your project demands **uncompromising vacuum integrity**, this VAT valve is a strong, well-supported choice.

Details:

All aluminum body with DN200 8 ID flanges. VAT 12146-PA24-AF11/0008 Vacuum Gate Valve with DN200 Flanges in great working and cosmetic condition.

part #: 12146pa24af110010 prices

• $500.00-$3500.00

specifications valvesplumbing:

• brand: Vat
• mpn: 12146-pa24-af11/0010
• part type: Vacuum Valve Flange
• unit type: Unit
• body material: Aluminum
• valve operation: Air-operated

offer valvesplumbing:

• started: May 8, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock

returns valvesplumbing:

• policy: No Returns

payments valvesplumbing:

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

shipping valvesplumbing:

• class: Standard
• carrier: UPS
• type: Calculated
• transit: 4-10 Days
• cost: $56.17
• service: UPS Ground

seller valvesplumbing:

• rating: 100.0%
• # reviews: 366
• city: Billerica, Massachusetts

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Gate Valves

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