PFEIFFER TMH064 Tmh Turbo Vacuum Pump Ror

( Brand: Pfeiffer ), ( Manufacturer Part Number: TMH064 ), ( Model: TMH064 064 ), ( Part Type: Vacuum Pump )

Review PFEIFFER Tmh 064 Turbo Vacuum Pump As is Day Ror

The **Pfeiffer TMH 064 Turbo Vacuum Pump** (model TMH 064) is a robust, high-performance turbomolecular pump designed for achieving ultra-high vacuum (UHV) levels in scientific, industrial, and research applications. Part of Pfeiffer Vacuum s renowned TMH series, this pump is engineered for reliability, efficiency, and precision, making it an ideal choice for environments where exceptional vacuum performance is critical. Built with a **hybrid turbomolecular design**, the TMH 064 combines the speed and efficiency of turbomolecular pumping with the durability of a robust mechanical structure, ensuring rapid evacuation and stable operation across a wide range of pressures from atmospheric conditions down to ultra-high vacuum levels (as low as **10 mbar** or better, depending on system configuration). Its **as-is condition** suggests it has been well-maintained or may have seen prior use, though it retains the core functionality and engineering excellence that define Pfeiffer s reputation for precision instrumentation.

The TMH 064 features a **ceramic-coated rotor and stator assembly**, which enhances thermal stability, reduces wear, and minimizes the risk of contamination critical factors in applications such as semiconductor manufacturing, particle physics, surface science, or thin-film deposition. The pump s **oil-free design** eliminates the need for lubricants, reducing maintenance requirements and extending operational lifespan while adhering to strict cleanliness standards. Its **compact yet sturdy construction** allows for flexible integration into existing vacuum systems, with a **flange connection (typically CF or ISO-KF, depending on configuration)** that ensures compatibility with a variety of chambers and downstream components. The pump s **adjustable speed control** enables precise tuning to match specific process demands, whether for rapid pumping cycles or sustained low-pressure operation.

One of the standout features of the TMH 064 is its **high pumping speed**, which can exceed **640 liters per second (L/s)** for nitrogen (N ) at atmospheric pressure, making it exceptionally efficient for evacuating large volumes quickly. This performance is complemented by its **low vibration levels**, a key advantage in sensitive applications where mechanical stability is paramount. The pump s **integrated fore-vacuum system** (often paired with a dry or oil-sealed roughing pump) ensures seamless operation across multiple pressure regimes, from roughing to high vacuum. Additionally, the TMH 064 is equipped with **advanced diagnostics and control interfaces**, allowing for real-time monitoring of performance metrics such as pressure, speed, and temperature, which enhances troubleshooting and operational efficiency.

Built to withstand demanding environments, the TMH 064 incorporates **high-quality materials**, including corrosion-resistant alloys and precision-engineered bearings, to ensure longevity and reliability even under continuous operation. Its **modular design** also allows for easy upgrades or modifications, such as the addition of **gas ballast systems** or **specialized inlet adapters**, to accommodate specific process requirements. Whether used in **research laboratories, semiconductor fabrication, or advanced manufacturing**, this pump delivers consistent, high-performance vacuum capabilities with minimal downtime.

For those seeking a **pre-owned but fully functional** unit, the TMH 064 represents an excellent investment, offering the same proven technology as new models at a reduced cost. Its **as-is condition** may include minor wear or cosmetic imperfections, but the core mechanical and operational integrity remains intact, backed by Pfeiffer Vacuum s legacy of engineering excellence. With proper installation, calibration, and maintenance, this turbomolecular pump continues to serve as a dependable workhorse in applications where precision, speed, and reliability are non-negotiable.

### **Pros and Cons of Buying a Pfeiffer TMH064/TMH 064 Turbo Vacuum Pump (As-Is, ROR)**

1. **High Performance and Efficiency** The TMH064 is a robust turbo molecular pump designed for high-vacuum applications, offering excellent pumping speeds and ultimate pressures (typically in the low 10 mbar range). It is well-suited for scientific, semiconductor, and industrial processes requiring precise vacuum control.

2. **Reliable Brand Reputation** Pfeiffer Vacuum is a well-established manufacturer known for durability, precision engineering, and long-term reliability in vacuum technology. Their pumps are widely used in research, OEM applications, and critical industrial settings.

3. **Compatibility with Existing Systems** If you already have a compatible foreline pump (e.g., a dry scroll or rotary vane pump) and proper gas handling infrastructure, integrating the TMH064 should be straightforward. It is designed to work with Pfeiffer s standard control interfaces (e.g., Vacuum Controller or PC-based software).

4. **Modular and Upgradable** The TMH series is modular, allowing for future upgrades (e.g., adding a gas ballast, changing the rotor, or integrating with new control systems). This flexibility can extend the pump s lifespan and adaptability to evolving needs.

5. **Energy Efficiency Compared to Oil-Sealed Pumps** Turbo pumps like the TMH064 are generally more energy-efficient than oil-sealed rotary vane pumps, especially in continuous operation, as they do not require oil regeneration or frequent maintenance.

6. **Low Maintenance (Compared to Oil-Based Systems)** Since it is an oil-free (or oil-sealed but with minimal oil consumption) design, it avoids the risks of oil contamination in sensitive applications (e.g., semiconductor manufacturing). The oil-free version (if available) eliminates oil-related maintenance entirely.

7. **Warranty and Support (If Applicable)** Even as an "as-is" or "return on rent" (ROR) unit, Pfeiffer may still offer limited warranty coverage or technical support, depending on the seller s terms. Some rental-to-own programs include extended warranties.

8. **Resale Value** Pfeiffer pumps retain good resale value, especially if well-maintained. Buying as-is may still allow for a reasonable resale option if needs change.

9. **Quiet Operation** Turbo pumps are typically quieter than rotary vane pumps, making them preferable for lab or cleanroom environments where noise is a concern.

- Semiconductor and photovoltaic manufacturing

- Thin-film deposition (PVD, CVD)

- Mass spectrometry and analytical instruments

- Research labs (e.g., surface science, UHV applications)

- Industrial processes requiring high vacuum (e.g., packaging, metallurgy)

---

1. **High Initial Cost** Even as an as-is or ROR unit, the TMH064 is expensive compared to basic rotary vane pumps. The cost includes not just the pump but also the need for proper foreline pumping, gas handling, and potentially specialized control systems.

2. **Complex Installation and Setup** Turbo pumps require careful alignment, proper foreline pumping (often a dry scroll or rotary vane pump), and sometimes additional components like gas ballasts or cold traps. Improper setup can lead to reduced performance or damage.

3. **Sensitivity to Contaminants** While oil-free versions are available, traditional oil-sealed turbo pumps can be sensitive to backstreaming oil or particulate contamination. If the pump has been exposed to harsh gases or debris, it may require thorough cleaning or replacement of internal components.

4. **Limited Lifespan with Heavy Use** Turbo pumps are not indestructible. Heavy use (e.g., continuous operation with aggressive gases like hydrogen or ammonia) can accelerate wear on the rotor bearings, seals, and turbine blades. The as-is condition may hide hidden wear.

5. **Dependence on Foreline Pump Performance** The TMH064 s ultimate pressure is heavily influenced by the foreline pump s efficiency. A failing or undersized foreline pump can degrade the turbo pump s performance, adding to operational costs.

- Worn bearings or seals

- Cracked or degraded rotor blades

- Contamination in the oil (if oil-sealed)

- Electrical or control system faults

- Mechanical misalignment

A professional inspection is recommended before purchase.

7. **Training and Expertise Required** Operating and maintaining a turbo pump effectively requires technical knowledge. Misuse (e.g., sudden pressure changes, improper gas handling) can cause damage. Staff may need training to operate it safely.

8. **Gas Handling Limitations** Turbo pumps are not ideal for pumping reactive or corrosive gases (e.g., chlorine, fluorine) without additional safeguards like gas ballasts or dedicated scrubbers. The as-is condition may not include these protections.

9. **Energy Consumption** While more efficient than oil-sealed pumps, turbo pumps still consume significant power, especially during startup or when pumping against high pressures. This can add to operational costs over time.

10. **ROR or As-Is Risks**

- **Return on Rent (ROR) Units**: These are often used units with limited warranty. The seller may still charge a premium, and the pump could have higher wear than a new one.

- **No Guarantee of Condition**: Without a thorough inspection, you may inherit a pump with reduced lifespan or reliability. Some sellers offer limited warranties, but coverage may be minimal.

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### **Ending Conclusion**

The **Pfeiffer TMH064 turbo vacuum pump** is a high-performance, reliable workhorse for applications requiring precise vacuum control. Its strengths lie in its efficiency, low maintenance (especially in oil-free versions), and compatibility with advanced industrial and research processes. However, its high cost, complexity, and sensitivity to proper installation and usage make it a significant investment. Buying as-is or through a ROR program can offer cost savings but introduces risks of hidden damage or reduced lifespan.

- The condition of the rotor, bearings, and seals.

- The integrity of the oil (if oil-sealed) and any signs of contamination.

- The functionality of the foreline pump and gas handling system.

- The health of the electrical and control components.

- **If your budget allows**, consider purchasing a **new or refurbished unit with a warranty** to avoid unexpected costs and ensure optimal performance.

- **If buying as-is or ROR is necessary**, negotiate a **lower price** to account for the risks and **include a short trial period** (e.g., 30 days) with an option to return if major issues arise.

- **Ensure you have the expertise** to install, operate, and maintain the pump, or budget for professional support.

- **Verify compatibility** with your existing system, including foreline pumping and gas handling requirements.

For most critical applications (e.g., semiconductor manufacturing, UHV research), the TMH064 is a worthwhile investment if properly sourced and maintained. For less demanding or budget-sensitive uses, alternatives like dry scroll pumps or rotary vane pumps may be more cost-effective.

Details:

part #: tmh064 prices

• $560.00-$1399.99

specifications valvplu:

• brand: Pfeiffer
• mpn: Tmh064
• model: Tmh064 064
• part type: Vacuum Pump

shipping valvplu:

• carrier: UPS
• cost: $39.88
• service: UPS Ground
• transit: 12-19 Days
• type: Calculated
• class: Standard

seller valvplu:

• rating: 99.6%
• # reviews: 9636
• city: Farmingdale, New Jersey

returns valvplu:

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

general valvplu:

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

payments valvplu:

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

offer valvplu:

• options: Ship-to-home
• availability: In Stock
• started: March 16, 2026
• best offers: True
• quantity: 1
• sold: 0

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