VAT 12140-PA24-ABZ1 Applied Vaccum Gate Valve 0055 A-1341501

( Brand: Vat ), ( Manufacturer Part Number: 12140-PA24-ABZ1 ), ( Part Type: Valve ), ( Category: Vacuum Cryogenics And Flow Control )

Review VAT Applied Materials Vaccum Gate Valve

The **VAT 12140-PA24-ABZ1 0055 A-1341501 Applied Vacuum Gate Valve** is a high-performance, precision-engineered valve designed for demanding applications in industrial vacuum systems, semiconductor manufacturing, and specialized research environments where reliability, leak integrity, and durability are paramount. This valve belongs to the **PA24 series**, a robust line of gate valves specifically tailored for ultra-high vacuum (UHV) and high-vacuum (HV) applications, ensuring minimal gas leakage and exceptional long-term stability. Constructed from **stainless steel (typically 304 or 316L)**, the valve body and internal components are meticulously machined to exacting tolerances, minimizing dead spaces and reducing the risk of particulate contamination a critical consideration in cleanroom environments. The **ABZ1 design** incorporates a **pneumatic or manual actuator**, depending on the configuration, allowing for precise, repeatable operation with minimal hysteresis, which is essential for automated processes where positioning accuracy is non-negotiable.

The **12140 series** is particularly notable for its **flanged connection**, utilizing a **CF (ConFlat) or ISO-KF interface** (depending on the specific variant), enabling seamless integration into existing vacuum systems without compromising on sealing performance. The **gate mechanism** features a **low-outgassing, non-magnetic alloy** (such as **Aluminum Oxide (Al O ) or ceramic-coated surfaces**) to further enhance vacuum integrity and prevent contamination from metallic particles or residual gases. This valve is engineered to withstand **cyclic thermal loading**, making it suitable for applications involving rapid temperature fluctuations, such as in plasma etching, sputtering, or thin-film deposition processes. The **0055 A-1341501 designation** may indicate a specific variant with enhanced features, such as **electropolished surfaces** for reduced surface roughness and improved cleanability, or a **customized actuator interface** for compatibility with automated control systems.

One of the standout features of this valve is its **dual-sealing design**, which combines a **primary metal-to-metal seal** with a **secondary elastomeric or metal seal** (such as **Viton, Kalrez, or copper gaskets**) to ensure fail-safe operation. This redundancy prevents catastrophic leaks under extreme conditions, such as sudden pressure differentials or thermal shock, while the **low-permeation materials** used in the seals minimize gas diffusion over time. The valve s **actuator system** is designed for either **pneumatic or manual operation**, with the pneumatic version offering **position feedback** via limit switches or encoders for precise control in automated workflows. Additionally, the **ABZ1 model** may include **vacuum-tight wiring feedthroughs** for integrated sensors or control signals, ensuring that the valve can be monitored and operated remotely without compromising the vacuum environment.

For applications requiring **high repeatability and long service life**, the **12140-PA24-ABZ1** is engineered with **low-friction bearings or lubrication-free mechanisms**, reducing wear and extending operational lifespan. The valve s **modular design** allows for easy maintenance, with components such as the gate, seals, and actuator accessible without disassembling the entire system. This feature is particularly advantageous in **semiconductor fabrication facilities (fabs)**, where downtime must be minimized, and **cleanroom compatibility** is a strict requirement. The **Applied Vacuum** brand ensures that this valve adheres to **industry standards** such as **ASTM, ISO, and VDI/DIN specifications**, providing users with confidence in its performance under rigorous testing protocols.

In summary, the **VAT 12140-PA24-ABZ1 0055 A-1341501 Applied Vacuum Gate Valve** is a cutting-edge solution for critical vacuum applications, offering an uncompromising blend of **leak tightness, durability, and operational precision**. Whether deployed in **semiconductor manufacturing, scientific research, or specialized industrial processes**, this valve delivers the reliability and performance demanded by modern vacuum technology, ensuring seamless operation in even the most exacting environments.

### **Pros and Cons of buying a Applied Vacuum Gate Valve (VAT 12140-PA24-ABZ1 0055 A-1341501)**

1. **High-Quality Construction** The valve is manufactured by Applied Vacuum, a reputable brand known for durable and reliable vacuum components. The materials used (likely stainless steel or high-grade alloys) ensure longevity in demanding environments.

2. **Precision Engineering** The design suggests it is built for precise control, which is critical in vacuum systems where leaks or inconsistent sealing can disrupt operations. The gate mechanism likely provides a tight seal when closed.

3. **Compatibility with Vacuum Systems** The model number indicates it is designed for vacuum applications, meaning it is likely optimized for low-pressure environments without compromising performance.

4. **Potential for Customization** Applied Vacuum valves often come with options for different flange sizes, materials, and actuation methods (manual, pneumatic, or electric), allowing flexibility depending on specific system requirements.

5. **Warranty and Support** Reputable manufacturers like Applied Vacuum typically offer warranties and technical support, which can be valuable for troubleshooting or replacements if issues arise.

6. **Energy Efficiency** A well-sealed gate valve minimizes air leakage, reducing the workload on vacuum pumps and improving overall system efficiency.

7. **Long-Term Cost Savings** High-quality valves reduce the frequency of replacements and maintenance, potentially lowering operational costs over time.

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1. **High Initial Cost** Premium brands like Applied Vacuum often come with a higher upfront price compared to generic or lower-quality alternatives. This may be a barrier for smaller budgets or non-critical applications.

2. **Potential Overkill for Simple Applications** If the valve is being used in a low-demand system where simpler or cheaper alternatives (e.g., ball valves or basic gate valves) would suffice, the extra cost may not be justified.

3. **Complex Installation** High-precision valves may require specialized tools, expertise, or additional components (e.g., actuators, seals) for proper installation, adding to labor or setup costs.

4. **Limited Availability of Spare Parts** While Applied Vacuum is reliable, finding replacement parts or compatible accessories for older models can sometimes be challenging compared to more widely used brands.

5. **Maintenance Requirements** Even high-quality valves may require periodic maintenance (e.g., lubrication, seal checks) to ensure optimal performance. Neglecting maintenance could lead to premature failure.

6. **Potential for Misuse** If the valve is not operated correctly (e.g., rapid opening/closing, exposure to incompatible chemicals), it could degrade faster than expected, voiding warranties or causing leaks.

7. **Lead Times for Orders** Due to the specialized nature of vacuum components, ordering may involve longer lead times compared to mass-produced industrial valves.

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The **Applied Vacuum Gate Valve (VAT 12140-PA24-ABZ1 0055 A-1341501)** is a well-engineered, high-performance component ideal for critical vacuum applications where reliability, precision, and longevity are paramount. Its advantages in terms of durability, sealing efficiency, and brand reputation make it a strong choice for industries such as semiconductor manufacturing, pharmaceuticals, or scientific research. However, the higher cost and potential complexity of installation or maintenance may not be justified for less demanding or budget-sensitive applications.

- You require a **long-term, high-performance solution** for a vacuum system where leaks or failures are unacceptable.

- Your application demands **precise control, durability, and compatibility with strict environmental conditions** (e.g., cleanrooms, high-vacuum chambers).

- You can justify the **upfront investment** based on reduced downtime and operational efficiency.

- You have access to **technical support or trained personnel** to handle installation and maintenance.

- Your budget is **limited**, and a lower-cost alternative (e.g., a standard gate valve from a different manufacturer) would meet your needs.

- The valve is for a **non-critical or low-demand application** where simplicity and cost are prioritized over premium features.

- You lack the **expertise or resources** to properly install, maintain, or troubleshoot the valve.

- You can find a **comparable valve from a more accessible supplier** with similar performance at a lower price.

For most **high-stakes vacuum applications**, the Applied Vacuum valve is a **strong recommendation** due to its reliability. However, always verify compatibility with your specific system, consult with a vacuum specialist if needed, and compare quotes from other reputable manufacturers to ensure you are making the most cost-effective choice.

Details:

Model: 12140-PA24-ABZ1 Applied Materials AMAT ENDURA VAT VACCUM GATE VALVE. Ports: Flanges connection see photos for bolt pattern/size. Material: Aluminum/Stainless construction. Type: Vacuum Isolation Gate Valve.

VAT vacuum isolation gate valve, model 12140-PA24-0001. Condition: Used, working surplus. Unit was removed from a working environment. voltage : 24VDC.

Actuation: Pneumatic MAC solenoid valve installed. Includes everything shown in photos valve mounted MAC solenoid. No cracks or damage observed. High-quality precision valve commonly used in semiconductor and vacuum processing systems.

Applications: Semiconductor equipment, vacuum systems, research labs, industrial processing.

part #: 12140pa24abz1 prices

• $148.26-$1995.00

specifications valvesplumbing:

• brand: Vat
• mpn: 12140-pa24-abz1
• part type: Valve
• category: Vacuum Cryogenics And Flow Control

seller valvesplumbing:

• city: North Charleston, South Carolina
• rating: 99.6%
• # reviews: 22879

offer valvesplumbing:

• options: Ship-to-home
• started: April 21, 2026
• availability: In Stock
• sold: 0
• quantity: 1

shipping valvesplumbing:

• service: Economy
• transit: 3-9 Days
• class: Economy
• cost: $0.00
• type: Fixed

returns valvesplumbing:

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

payments valvesplumbing:

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

general valvesplumbing:

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

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