CTI-CRYOGENICS 0190-64814 Board Cryopump Spare IS-8F XP2

( Brand: Cti-cryogenics ), ( Manufacturer Part Number: 0190-64814 ), ( Part Type: Board ), ( Category: Vacuum Cryogenics And Flow Control )

Review CTI CRYOGENICS On board Cryopump Ob is 8f Xp2 Working Spare

The **CTI Cryogenics 0190-64814 On-Board IS-8F Cryopump (OB-IS 8F XP2 Spare)** is a high-performance, precision-engineered vacuum system component designed for demanding cryogenic applications, particularly in scientific research, semiconductor manufacturing, and advanced materials processing. This spare unit is a direct replacement for the original IS-8F cryopump, ensuring seamless integration into existing systems where compact yet robust cryogenic pumping is required. Built with CTI Cryogenics signature reliability and engineering excellence, the OB-IS 8F XP2 leverages advanced cryogenic cooling technology to achieve exceptional pumping speeds and ultra-high vacuum (UHV) performance, making it ideal for applications such as thin-film deposition, surface science experiments, or particle accelerator components where residual gas pressure must be minimized to near-perfect levels.

The cryopump operates on the principle of cryocondensation, utilizing a closed-cycle helium refrigeration system to cool its internal surfaces to cryogenic temperatures typically below -238 C (-396 F) which effectively freeze and trap a wide range of gases, including hydrogen, nitrogen, and noble gases. This mechanism allows the pump to maintain a base pressure of less than **1 10 Torr (10 Pa)**, making it suitable for the most stringent vacuum environments. The OB-IS 8F XP2 is engineered with a **stainless steel vacuum chamber** and **aluminum cold head assembly**, ensuring durability, thermal efficiency, and compatibility with standard vacuum system interfaces. Its **on-board (OB) configuration** eliminates the need for external mounting hardware, simplifying installation and reducing system complexity while maintaining high performance.

One of the standout features of this spare cryopump is its **compact yet high-capacity design**, with an **effective pumping speed of up to 800 liters per second (L/s) for nitrogen (N ) and 2,000 L/s for hydrogen (H )**, depending on the operating conditions. The pump s **XP2 (Extended Performance 2) variant** incorporates optimized cold finger geometry and improved thermal insulation, enhancing its efficiency and longevity in continuous operation. Additionally, the unit is equipped with **CTI s proprietary cryogenic valve system**, which allows for precise control of the helium flow, minimizing waste and ensuring consistent cooling performance over extended use. The pump s **vacuum flange compatibility** (typically CF or ISO-KF) and **electrical connectors** are designed for easy integration with existing cryogenic systems, reducing downtime during replacements or upgrades.

For applications requiring **high reliability and minimal maintenance**, the OB-IS 8F XP2 is engineered with **long-lasting seals, corrosion-resistant materials, and a robust thermal management system** to withstand repeated thermal cycles without degradation. The pump s **closed-loop helium refrigeration system** operates silently and efficiently, with minimal vibration, making it suitable for sensitive experimental setups where noise and mechanical instability could compromise results. Furthermore, CTI Cryogenics provides comprehensive documentation, including **installation guidelines, operational parameters, and troubleshooting resources**, ensuring that technicians and engineers can deploy the spare unit with confidence.

Whether used as a **direct replacement for a failed IS-8F cryopump** or as an upgrade to enhance system performance, the **0190-64814 OB-IS 8F XP2** represents a premium solution for industries demanding the highest standards of vacuum technology. Its **modular design, superior pumping efficiency, and compatibility with advanced cryogenic systems** make it an indispensable component for researchers and manufacturers who rely on ultra-high vacuum environments for precision experimentation and production. With CTI Cryogenics reputation for innovation and durability, this spare cryopump is built to deliver consistent, high-performance results for years of critical operation.

### **Pros and Cons of buying a CTI-Cryogenics 0190-64814 On-Board IS-8F Cryopump (OB-IS 8F XP2 Spare)**

#### **Pros**

1. **High Performance and Efficiency** The IS-8F is a high-vacuum cryopump designed for superior gas capture and pumping speed, making it ideal for applications requiring ultra-high vacuum (UHV) environments. Its cryogenic cooling ensures efficient condensation of gases, reducing the need for mechanical roughing pumps.

2. **Compatibility with Existing Systems** As a spare part for the OB-IS 8F XP2, this unit is designed to integrate seamlessly with compatible CTI-Cryogenics systems, minimizing compatibility issues and ensuring smooth operation when replacing a faulty or worn-out pump.

3. **Long Lifespan with Proper Maintenance** Cryopumps like the IS-8F are known for their durability when maintained correctly. With proper cooling and regular cleaning of the cold head, they can operate for extended periods without significant degradation.

4. **Reduced Operating Costs Over Time** While the initial purchase price may be high, cryopumps eliminate the need for frequent replacement of oil-based roughing pumps, reducing long-term maintenance and consumable costs.

5. **Versatility in Applications** Suitable for a wide range of industries, including semiconductor manufacturing, scientific research, thin-film deposition, and vacuum metallurgy, making it a valuable asset for facilities requiring precise vacuum control.

6. **Lower Maintenance Compared to Turbomolecular Pumps** Unlike turbopumps, cryopumps have fewer moving parts, reducing the risk of mechanical failure and simplifying maintenance routines.

7. **Environmentally Friendly** Cryopumps do not use oil or other hazardous fluids, making them a cleaner alternative to traditional vacuum pumps in terms of environmental impact.

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#### **Cons**

1. **High Initial Cost** The upfront purchase price of a CTI-Cryogenics IS-8F cryopump is significantly higher than that of mechanical or turbomolecular pumps. This can be a barrier for smaller labs or budgets with limited capital.

2. **Dependence on Cryogenic Cooling** The pump requires a reliable supply of liquid nitrogen (LN ) or liquid helium (LHe) to maintain optimal performance. Fluctuations in supply or cooling failures can lead to downtime and reduced efficiency.

3. **Limited Pumping Speed for Certain Gases** While cryopumps excel at condensing gases like water vapor and hydrocarbons, they are less effective at pumping noble gases (e.g., helium, neon), which may require supplementary pumps for complete evacuation.

4. **Complex Installation and Setup** Proper installation, alignment, and integration with the vacuum system require expertise. Improper setup can lead to inefficiencies or damage to the pump or surrounding components.

5. **Regular Maintenance Requirements** The cold head and condensation surfaces must be periodically cleaned to prevent buildup of contaminants, which can degrade performance. This adds to operational overhead.

6. **Potential for Thermal Stress** Rapid temperature changes or improper cooling can cause thermal stress, leading to cracks or other damage in the cryopump s structure over time.

7. **Limited Availability of Spare Parts** As a specialized component, finding replacement parts or technicians familiar with CTI-Cryogenics equipment may be challenging, particularly for older models.

8. **Energy Consumption for Cooling** The process of maintaining cryogenic temperatures requires significant energy, especially if using liquid nitrogen compressors or helium liquefiers, which can increase operational costs.

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### **Conclusion**

The CTI-Cryogenics 0190-64814 IS-8F cryopump is a high-performance, reliable solution for applications demanding ultra-high vacuum conditions. Its advantages in efficiency, longevity, and reduced maintenance (compared to oil-based pumps) make it a worthwhile investment for industries where vacuum integrity is critical. However, the high initial cost, dependency on cryogenic cooling, and specialized maintenance requirements present significant drawbacks, particularly for smaller operations or those with limited technical resources.

For facilities already equipped with CTI-Cryogenics systems or those with the budget and infrastructure to support cryogenic pumps, this spare part is a practical and efficient choice. Conversely, users with tight budgets, limited cooling infrastructure, or applications where noble gas pumping is a concern may find alternatives like turbomolecular or ion pumps more suitable.

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### **Recommendation**

- You are replacing an existing IS-8F or OB-IS 8F XP2 unit in a system where ultra-high vacuum is essential.

- Your facility has the infrastructure (liquid nitrogen/helium supply, proper cooling systems, and maintenance expertise) to support cryogenic pumps.

- Long-term cost savings from reduced pump replacements and lower maintenance outweigh the initial investment.

- Your application does not heavily rely on pumping noble gases, as supplementary pumps may still be needed.

- Your budget is constrained, and you can find a more cost-effective alternative (e.g., a refurbished pump or a different model).

- Your facility lacks the resources to manage cryogenic cooling or perform necessary maintenance.

- Your application requires frequent pumping of noble gases, which cryopumps handle poorly.

- You are unsure about the compatibility with your existing vacuum system, as improper integration could lead to inefficiencies or damage.

- If cost is a major concern, explore refurbished or used cryopumps from reputable suppliers.

- For applications with noble gas requirements, pair the cryopump with a turbomolecular or ion pump for optimal performance.

- Consult with a vacuum system specialist to assess whether the IS-8F is the best fit for your specific needs or if a different model (e.g., CTI s smaller IS-3 or IS-6 series) would be more appropriate.

Details:

CTI-Cryogenics 0190-64814 On-Board IS-8F Cryopump OB-IS 8F XP2 Working Spare. Sale Details. Serial numbers or country of manufacture may vary. The physical condition is good, but there are signs of previous use and handling.

Part No: 0190-64814. Model No: OB-IS 8F XP2 CRYOPUMP This item is working surplus. Item condition: Working, 90 Day Warranty. Only items pictured are included: If a part is not pictured, or mentioned above, then it included in the sale.

Pictured test equipment is not included or available for sale.

part #: 019064814 prices

• $10505.26-$12500.00

specifications valvplu:

• brand: Cti-cryogenics
• mpn: 0190-64814
• part type: Board
• category: Vacuum Cryogenics And Flow Control

seller valvplu:

• city: Albuquerque, New Mexico
• # reviews: 10478
• rating: 99.6%

general valvplu:

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

returns valvplu:

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

payments valvplu:

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

offer valvplu:

• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock
• started: May 5, 2026
• quantity: 1

shipping valvplu:

• cost: $112.37
• carrier: FedEx
• transit: 3-8 Days
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• type: Calculated

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