OSAKA VACUUM TG550 Compound Molecular Turbo Pump Flange Ltd. C201965 TH550 NW160

( Brand: Osaka Vacuum ), ( Manufacturer Part Number: TG550 ), ( Part Type: Vacuum Compound Pump Flange )

Review OSAKA VACUUM Ltd. Compound Molecular Turbo Pump Flange

The **Osaka Vacuum Ltd. TG550 C201965 TH550 Compound Molecular Turbo Pump with NW160 Flange** is a high-performance, precision-engineered vacuum solution designed for demanding applications requiring ultra-high vacuum (UHV) and high-throughput gas handling. Part of Osaka Vacuum s renowned **TH550 series**, this compound pump combines the efficiency of a **turbo molecular pump** with the robustness of a **dry roughing stage**, eliminating the need for a separate backing pump in many applications. The **TG550** designation signifies a compact yet powerful configuration, optimized for applications in semiconductor manufacturing, thin-film deposition, surface analysis, and scientific research where consistent vacuum levels are critical. The **C201965** model variant incorporates advanced **ceramic bearings** and a **high-speed rotor**, ensuring extended operational lifespan and reduced maintenance requirements while maintaining exceptional pumping speeds up to **550 liters per second (L/s) for nitrogen** and an ultimate pressure of **1 10 Torr (1 10 Pa)**. The **NW160 flange** interface adhers to international standards, facilitating seamless integration into existing vacuum systems, whether in research labs, industrial process chambers, or specialized analytical equipment. Engineered with **high-temperature-resistant materials** and **low-outgassing components**, this pump minimizes contamination risks and maximizes reliability in demanding environments. Its **modular design** allows for easy installation and retrofitting, while the **included controller** enables precise speed regulation and diagnostic monitoring, enhancing operational flexibility. Whether used in **sputtering systems, electron microscopes, or plasma processing**, the TG550 C201965 TH550 stands as a testament to Osaka Vacuum s commitment to innovation, durability, and performance in ultra-high vacuum technology.

### **Pros and Cons of buying a Osaka Vacuum Ltd. TG550 C201965 TH550 Compound Molecular Turbo Pump with NW160 Flange**

#### **Pros**

1. **High Performance and Speed**

The TG550 is a high-speed turbo pump designed for rapid evacuation, achieving ultimate pressures in the **high vacuum (10 -8 to 10 -10 Torr)** range. This makes it suitable for applications requiring quick chamber pumping, such as semiconductor processing, thin-film deposition, or analytical instruments.

2. **Compound Molecular Design**

The **TH550 compound molecular design** combines a turbo pump with a molecular drag pump section, improving pumping speed for heavier gases (e.g., nitrogen, argon) and reducing the need for a roughing pump in some cases. This enhances overall efficiency, especially in applications where gas load varies.

3. **Durability and Reliability**

Osaka Vacuum is a well-established manufacturer known for robust vacuum equipment. The TG550 is built with precision-engineered components, including ceramic bearings and oil-free designs (if applicable), which extend pump lifespan and reduce maintenance needs.

4. **Compatibility with NW160 Flange**

The **NW160 (ISO-KF160) flange** ensures a standard, leak-tight connection to vacuum chambers, making integration easier with existing setups. This flange size is common in research and industrial applications, increasing versatility.

5. **Low Vibration and Noise**

Turbo pumps like the TG550 are generally quieter and produce less vibration compared to older rotary vane pumps, which is beneficial for sensitive experiments or cleanroom environments.

6. **Oil-Free Operation (If Configured Properly)**

Some models in the TG series can be operated without oil (using dry gas ballasts or magnetic bearings), reducing contamination risks in clean environments like semiconductor fabrication.

7. **Long-Term Cost Efficiency**

While the initial cost is high, the pump s efficiency and longevity can reduce operational expenses over time, especially in high-volume applications.

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#### **Cons**

1. **High Initial Cost**

Turbo pumps, especially high-performance models like the TG550, are **expensive upfront**. The price may be prohibitive for small labs, startups, or budget-conscious users without immediate high-volume needs.

2. **Complex Installation and Maintenance**

Turbo pumps require proper **backing pump integration** (e.g., a scroll or diaphragm pump) and **vacuum chamber compatibility**. Installation may need specialized knowledge, and maintenance (e.g., bearing replacement, seal checks) can be costly if done professionally.

3. **Sensitivity to Contaminants**

While oil-free models exist, traditional turbo pumps with oil seals or lubricants can degrade if exposed to **corrosive gases, dust, or improper handling**. This limits their use in harsh environments without additional safeguards.

4. **Limited Pumping Speed for Light Gases**

Turbo pumps are less efficient at pumping **hydrogen and helium** compared to diffusion pumps or cryopumps. If the application heavily involves these gases, additional pumping stages may be required.

5. **Power Consumption**

High-speed turbo pumps consume **significant electrical power**, which can increase operational costs, especially in continuous-use applications.

6. **Potential for Downstream Contamination**

Even with oil-free designs, **outgassing from seals, bearings, or chamber materials** can introduce contaminants into the vacuum system over time, requiring regular maintenance or bake-out cycles.

7. **Warranty and Support Dependence**

Osaka Vacuum s warranty and local support may vary by region. Some users report delays in parts replacement or service, which could disrupt operations if the pump fails unexpectedly.

8. **Space Requirements**

Turbo pumps are **bulky** and require proper ventilation and cooling. Adequate space must be allocated in the lab or facility, which may not be feasible in compact setups.

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### **Ending Conclusion**

The **Osaka Vacuum Ltd. TG550 C201965 TH550 Compound Molecular Turbo Pump with NW160 flange** is a **high-performance, reliable choice** for applications demanding **ultra-high vacuum (UHV) or high-speed evacuation**, such as semiconductor manufacturing, thin-film deposition, or advanced scientific research. Its **compound design, low vibration, and durability** make it ideal for precision environments where contamination and speed are critical.

However, the **high cost, complex maintenance, and sensitivity to contaminants** mean it is **not suitable for all users**. Small labs, educational institutions, or applications with **limited budgets or non-critical vacuum requirements** may find more affordable alternatives (e.g., scroll pumps or smaller turbo pumps) more practical.

### **Recommendation**

- You require **ultra-high vacuum or rapid pumping** for **semiconductor, research, or industrial applications**.

- Your budget allows for a **premium vacuum solution** with long-term reliability.

- Your setup includes **proper backing pumps, contamination control, and maintenance support**.

- The **NW160 flange compatibility** aligns with your existing equipment.

- Your application does **not** require UHV and a **scroll pump or smaller turbo pump** (e.g., TG300) would suffice.

- Budget constraints make the TG550 **too expensive** explore used/refurbished models or lower-end turbo pumps.

- Your environment has **high contamination risks** (e.g., aggressive chemicals, dust), which may require additional safeguards.

For most **high-end research or industrial users**, the TG550 is a **strong investment** that justifies its cost through performance and longevity. However, **careful evaluation of application needs and long-term costs** is essential before purchasing.

Details:

Approximate overall unpacked dimensions: 11 L x 10 W 24. The unpacked weight of this item is 90 pounds. This Osaka TH550 Compound Molecular Turbo Vacuum Pump looks to be in good cosmetic condition, showing some minor signs of wear. The rotor spins freely and spun for about 35 seconds when I it with my finger.

No software, power cords, or other accessories are included unless stated above.

part #: tg550 price

• $500.00

specifications valvplu:

• brand: Osaka Vacuum
• mpn: Tg550
• part type: Vacuum Compound Pump Flange

shipping valvplu:

• type: Calculated
• cost: $265.14
• transit: 2-6 Days
• service: UPS Ground
• carrier: UPS
• class: Standard

seller valvplu:

• rating: 100.0%
• # reviews: 52510
• city: Gilroy, California

payments valvplu:

• wallet: Paypal
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• other

returns valvplu:

• policy: No Returns

general valvplu:

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

offer valvplu:

• started: March 11, 2026
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• best offers: True

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