VAT 65050-JH52-AKT1 Jis Pendulum Valve Tel Copper ES3D80-050159-11 320MM

( Brand: Vat ), ( Manufacturer Part Number: 65050-JH52-AKT1 ), ( Model: ES3D80-050159-11 ), ( Part Type: Valve ), ( Category: Vacuum Cryogenics And Flow Control ), ( Tel Tokyo Electron Part No: 3d80-050159-11 ), ( System/tool: Tel Tokyo Electron Telius 300mm Etcher System )

Review VAT 320mm Jis Pendulum Valve Tel Copper Working

The **VAT 65050-JH52-AKT1 320mm JIS Pendulum Check Valve (TEL 3D80-050159-11, Copper Alloy)** is a high-performance, industrial-grade swing check valve engineered for demanding fluid handling applications in piping systems where reliable backflow prevention and minimal pressure loss are critical. Designed to JIS (Japanese Industrial Standards) specifications, this valve features a robust **320mm (12.6 inches) nominal diameter** body, making it suitable for medium to large-scale pipelines in industries such as water treatment, HVAC systems, chemical processing, and marine environments. Constructed from **copper alloy (brass or bronze, depending on the exact alloy designation in the TEL 3D80 series)**, the valve offers exceptional corrosion resistance, durability, and thermal stability, ensuring long-term performance even in aggressive or fluctuating temperature conditions. Its **pendulum (swing) design** allows for smooth, full-bore flow in the forward direction while automatically sealing shut under reverse pressure, preventing backflow and potential system damage with minimal resistance. The **AKT1 designation** suggests a specific actuator or mounting configuration, likely optimized for easy installation in vertical or horizontal pipelines, with provisions for manual or automated operation depending on the application requirements.

The valve s **TEL 3D80-050159-11** designation ties it to a series of high-quality, precision-engineered components, including a **forged copper alloy body** reinforced with precision-machined surfaces to reduce wear and extend service life. The **disc mechanism** is designed to pivot freely on a robust shaft, ensuring quick and silent operation while maintaining a tight seal against backpressure. The valve s **flanged ends** (likely conforming to JIS or ANSI standards) facilitate seamless integration into existing piping systems, with gaskets or seals made from compatible materials like EPDM or NBR to prevent leaks. For applications requiring enhanced durability, the valve may incorporate **hardened seat inserts** or **self-lubricating coatings**, further reducing friction and wear over time. Its **compact yet sturdy construction** minimizes installation space while maximizing reliability, making it an ideal choice for both new builds and retrofitting projects where space efficiency and performance are paramount.

Beyond its mechanical robustness, this valve is engineered with **safety and efficiency** in mind. The **copper alloy material** not only resists corrosion from water, steam, or mild chemicals but also conducts heat effectively, reducing thermal stress in high-temperature applications. The **pendulum action** ensures that the disc closes rapidly under reverse flow, preventing water hammer and system damage, while the **full-bore design** maintains optimal flow rates without significant pressure drops. Additionally, the valve s **sealed internal components** protect against contamination, making it suitable for applications where cleanliness is critical, such as in pharmaceutical or food processing industries. Whether deployed in **municipal water distribution networks, industrial cooling systems, or marine propulsion lines**, this valve delivers consistent performance under varying operational conditions, ensuring system integrity and operational efficiency. Its **modular design** also allows for easy maintenance, with replaceable seals and discs available to extend the valve s lifespan with minimal downtime.

### **Pros and Cons of buying a VAT 65050-JH52-AKT1 320mm JIS Pendulum Valve (TEL 3D80-050159-11, Copper)**

#### **Pros**

1. **High-Quality Material (Copper Alloy)** The valve is made from copper, which offers excellent corrosion resistance, durability, and thermal conductivity. This makes it suitable for applications involving water, steam, or mild chemicals.

2. **JIS Standard Compliance** The valve meets Japanese Industrial Standards (JIS), ensuring reliability, consistent performance, and compatibility with systems designed for JIS specifications.

3. **Pendulum Design for Heavy-Duty Use** The pendulum (or "butterfly") design is ideal for large-diameter pipelines (320mm), providing smooth operation, minimal pressure loss, and efficient flow control. It is well-suited for high-pressure and high-flow applications.

4. **Actuated (AKT1) for Automation** The valve includes an actuator (likely pneumatic or electric), allowing for remote operation, which is beneficial in industrial, HVAC, or water treatment systems where manual control is impractical.

5. **Wide Temperature and Pressure Range** Copper valves like this are typically rated for moderate to high temperatures (up to 200 C/400 F) and pressure ratings (often 16 25 bar, depending on the exact model). This makes it versatile for various applications.

6. **Sealing Performance** The design likely includes a resilient seat (e.g., EPDM or PTFE) to prevent leaks, ensuring long-term reliability in fluid control.

7. **Compatibility with TEL Brand** TEL (Toshiba Engineering) is a reputable manufacturer in industrial valves, suggesting good after-sales support, availability of spare parts, and potential warranty coverage.

8. **Cost-Effective for Large Pipelines** While the upfront cost may be high, the durability and efficiency of a 320mm pendulum valve can reduce long-term maintenance and operational expenses.

---

#### **Cons**

1. **High Initial Cost** Large-diameter valves, especially with actuators and premium materials like copper, are expensive. The price may be prohibitive for small-scale or budget-conscious projects.

2. **Limited Chemical Resistance** While copper resists corrosion well in water and mild chemicals, it is not suitable for highly aggressive substances (e.g., strong acids, alkalis, or chlorinated water over long periods), which may require specialized alloys like stainless steel or Hastelloy.

3. **Maintenance Requirements** Actuated valves require periodic maintenance, including lubrication of moving parts, seal inspections, and actuator calibration. Neglect can lead to leaks or failure.

4. **Weight and Installation Complexity** A 320mm valve is heavy and bulky, requiring robust mounting and proper alignment to avoid stress on the pipeline or valve body. Installation may need specialized equipment and skilled labor.

5. **Potential for Leaks Over Time** Even with a resilient seat, prolonged use or pressure fluctuations can degrade seals, leading to leaks. Regular inspections are necessary.

6. **Limited Availability of Spare Parts** While TEL is a known brand, finding exact replacements (e.g., seals, actuators) may be challenging in some regions, leading to downtime if repairs are needed urgently.

7. **Energy Consumption (Actuator)** Pneumatic actuators require compressed air, while electric actuators draw power, adding operational costs to the system.

8. **Not Ideal for Extreme Conditions** Copper valves may not perform well in cryogenic temperatures or highly abrasive environments, where stainless steel or other alloys would be preferable.

---

### **Conclusion**

The **VAT 65050-JH52-AKT1 320mm JIS Pendulum Valve (TEL 3D80-050159-11, Copper)** is a robust, high-performance valve suited for large-scale industrial, water treatment, or HVAC applications where reliability, automation, and corrosion resistance are critical. Its copper construction and JIS compliance ensure longevity, while the pendulum design minimizes pressure loss in high-flow systems.

However, the **high upfront cost, maintenance needs, and limitations in chemical resistance** make it less ideal for small-scale or chemically aggressive applications. If the valve is required for **water distribution, steam systems, or automated fluid control in moderate environments**, it is a strong choice. For **extreme conditions, highly corrosive fluids, or cost-sensitive projects**, alternative materials (e.g., stainless steel or ductile iron) or valve types (e.g., ball valves for tight shut-off) may be more appropriate.

---

### **Recommendation**

- You need a **large-diameter (320mm) automated valve** for **water, steam, or mild chemical applications**.

- Your system requires **JIS compliance** and **long-term durability** with minimal maintenance.

- You can justify the **higher cost** based on operational efficiency and reduced downtime.

- The **actuator type (pneumatic/electric) matches your automation needs**.

- Your budget is **limited**, and a **lower-cost valve (e.g., ductile iron or stainless steel)** would suffice.

- The application involves **highly corrosive or abrasive fluids**, where copper may degrade prematurely.

- You need **tighter shut-off** (pendulum valves are not as leak-tight as ball or globe valves in some cases).

- **Spare parts availability** is a concern in your region.

**Final Verdict:** This valve is a **premium choice for industrial-grade applications** where performance and automation are priorities. Evaluate your specific requirements carefully to ensure it aligns with your project s needs.

Details:

Pictured test equipment is not included or available for sale. Sale Details. Only items pictured are included: If a part is not pictured, or mentioned above, then it included in the sale. ES3D80-050159-11.

Serial numbers or country of manufacture may vary. This is used working surplus. Part No: 65050-JH52-AKT1. TEL Tokyo Electron Part No: 3D80-050159-11.

The physical condition is good, but there are signs of previous use and handling. Copper Cu Exposed. VAT 65050-JH52-AKT1 320mm JIS Pendulum Valve TEL 3D80-050159-11 Copper Cu Working.

part #: 65050jh52akt1 price

• $1803.26

specifications valvplu:

• brand: Vat
• mpn: 65050-jh52-akt1
• model: Es3d80-050159-11
• part type: Valve
• category: Vacuum Cryogenics And Flow Control
• tel tokyo electron part no: 3d80-050159-11
• system/tool: Tel Tokyo Electron Telius 300mm Etcher System

shipping valvplu:

• type: Fixed
• cost: $300.00
• class: Freight
• service: Flat Rate Freight

offer valvplu:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: March 18, 2026
• best offers: True

seller valvplu:

• rating: 99.8%
• city: Albuquerque, New Mexico
• # reviews: 10229

general valvplu:

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

returns valvplu:

• policy: Returns Accepted
• method: Money back
• paid by: Buyer
• time: 60 Days

payments valvplu:

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

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