CTI-CRYOGENICS 8185428G001R Board Cryopump 320F 500423012
( Brand: Cti-cryogenics ), ( Manufacturer Part Number: 8185428G001R ), ( Model: 320F ), ( Part Type: Board ), ( Category: Vacuum Cryogenics And Flow Control ), ( Ipn: 500423012 ), ( Country Of Origin: United States )
Review CTI CRYOGENICS On board Is Cryopump Manufacturer Refurbished
The **CTI Cryogenics Model 8185428G001R On-Board 320 F Cryopump** is a high-performance, compact cryogenic vacuum pump designed for demanding applications requiring precise temperature control and superior pumping efficiency. Engineered for reliability and versatility, this cryopump leverages advanced cryogenic technology to deliver exceptional performance in environments where traditional mechanical pumps fall short. Its robust construction incorporates a high-vacuum-compatible stainless steel housing, ensuring durability and resistance to thermal cycling, corrosion, and contamination critical factors in industries such as semiconductor manufacturing, aerospace testing, and scientific research. The unit operates at an ultra-low temperature of approximately **-320 F (-196 C)**, achieved through a closed-loop cryogenic cooling system that maintains consistent thermal stability, minimizing condensation and outgassing within the pumped chamber. This precise temperature regulation enhances the pump s ability to handle a wide range of gases, including reactive species and volatile compounds, while significantly reducing the need for frequent maintenance or cryogen refills compared to conventional cryopumps.
The **8185428G001R** is equipped with an **on-board control system**, allowing for seamless integration into automated processes and remote monitoring capabilities. Its modular design enables easy installation in both new and existing vacuum systems, with flexible mounting options that accommodate various spatial constraints. The pump features a **high-efficiency cold head** optimized for rapid cooling and rapid warm-up, reducing downtime and improving operational flexibility. Additionally, its **low-vibration design** minimizes mechanical disturbances, making it ideal for sensitive applications where stability is paramount. The unit is also engineered with **redundant safety features**, including over-temperature protection and pressure monitoring, to ensure continuous operation under extreme conditions. Whether deployed in a cleanroom environment, a high-altitude test chamber, or a cryogenic processing line, this cryopump delivers unmatched performance, efficiency, and longevity, making it a cornerstone solution for industries demanding the highest standards of vacuum technology.
### **Pros and Cons of buying a CTI-Cryogenics 8185428G001R On-Board 320L/s Cryopump**
#### **Pros**
1. **High Pumping Speed (320 L/s for Nitrogen)** Ideal for applications requiring rapid evacuation, such as vacuum chambers, mass spectrometers, or cryogenic cooling systems. The high speed reduces pumping time and improves efficiency in high-vacuum environments.
2. **Compact and Integrated Design** The on-board configuration simplifies installation, reducing the need for separate pump stations and piping. This can save space and installation complexity in laboratory or industrial setups.
3. **Cryogenic Efficiency** Uses liquid nitrogen (LN ) cooling, which is more energy-efficient than mechanical pumps for certain applications. It provides stable, long-term performance without moving parts that could wear out.
4. **Low Maintenance Requirements** Since it relies on cryogenic cooling rather than mechanical seals or rotating components, it has fewer points of failure. This reduces downtime and maintenance costs over time.
5. **Versatility in Applications** Suitable for a range of industries, including semiconductor manufacturing, scientific research (e.g., UHV chambers), and cryogenic storage systems. Its performance characteristics make it adaptable to different vacuum needs.
6. **Quiet Operation** Unlike mechanical pumps, cryopumps operate silently, which is beneficial in noise-sensitive environments like cleanrooms or research labs.
7. **Long Lifespan with Proper LN Supply** When maintained with consistent liquid nitrogen refills, the pump can operate reliably for extended periods without significant degradation.
8. **Compatibility with Existing Systems** Designed to integrate with other vacuum components, making it a practical upgrade or addition to existing setups.
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#### **Cons**
1. **Dependence on Liquid Nitrogen (LN )** Requires a continuous or frequent supply of LN , which adds operational costs. Running out of LN can cause the pump to lose efficiency or fail to maintain vacuum levels.
2. **Higher Initial Cost** Compared to some mechanical pumps, cryopumps like this one can be more expensive upfront, especially if LN storage and delivery systems are not already in place.
3. **Limited Pumping for Gases Other Than Nitrogen** While effective for nitrogen, its performance may vary for other gases (e.g., hydrogen, helium), which may require additional considerations or supplementary pumps.
4. **Cooling Time Required** After LN depletion, the pump must be recooled, which can take time and may interrupt operations. This downtime can be inconvenient in continuous-process applications.
5. **Potential for Condensate Buildup** Over time, condensable gases (e.g., water vapor, hydrocarbons) can accumulate on the cold surfaces, reducing pumping efficiency. Regular bake-out or maintenance may be necessary to mitigate this.
6. **Sensitivity to Contaminants** If the vacuum system is not properly pre-pumped or if contaminants enter the chamber, the cryopump s performance can degrade. This may require additional filtration or pre-pumping stages.
7. **Limited Backing Pump Support** Unlike some mechanical pumps, cryopumps do not require a backing pump for roughing, but they still need a roughing system to remove non-condensable gases before cryogenic pumping begins.
8. **Environmental Considerations** LN storage and handling require proper safety measures (e.g., ventilation, spill containment) due to the risk of cold burns or asphyxiation in confined spaces.
---
### **Conclusion**
The **CTI-Cryogenics 8185428G001R On-Board 320L/s Cryopump** is a powerful and efficient choice for applications demanding high vacuum performance with minimal mechanical wear. Its strengths lie in its speed, reliability, and low-maintenance operation, making it ideal for research, semiconductor, or cryogenic applications where stability and efficiency are critical. However, its reliance on LN , higher upfront cost, and operational dependencies (such as gas compatibility and cooling downtime) must be carefully considered. If your application requires frequent high-vacuum cycles, consistent LN availability, and can accommodate the associated costs, this pump is a robust investment. For applications with intermittent or variable vacuum demands, a mechanical pump or hybrid system might be more practical.
### **Recommendation**
**Buy this cryopump if:**- Your application requires **high pumping speed (320 L/s) for nitrogen or similar gases** and can accommodate LN logistics.
- You prioritize **low maintenance and long-term reliability** in a vacuum system.
- Your budget allows for the **initial cost and operational expenses** of LN .
- The system can tolerate **cooling downtime** during LN refills or depletion.
**Consider alternatives if:**- Your application involves **non-condensable gases (e.g., hydrogen, helium)** that may not be efficiently pumped by cryogenics alone.
- LN supply is **unreliable or costly** in your location.
- You need **faster recovery times** after vacuum loss (mechanical pumps may be more suitable).
- Your budget is constrained, as mechanical pumps or turbo pumps might offer better cost efficiency for lower-volume applications.
For most **high-end research, semiconductor, or UHV applications**, this cryopump is a well-justified purchase when used appropriately. Pair it with a reliable LN delivery system and proper pre-pumping stages to maximize its performance.
Details:
IPN: 500423012. Serial numbers or country of manufacture may vary. Sale Details. Part No: 8185428G001R.
Only items pictured are included: If a part is not pictured, or mentioned above, then it included in the sale. This item is manufacturer refurbished. CTI-Cryogenics 8185428G001R On-Board IS 320F Cryopump Manufacturer Refurbished. The physical condition is good, but there may be signs of previous use and handling.
Model No: ON-BOARD IS 320F CRYOPUMP. Pictured test equipment is not included or available for sale.
specifications valvplu:
- brand: Cti-cryogenics
- mpn: 8185428g001r
- model: 320f
- part type: Board
- category: Vacuum Cryogenics And Flow Control
- ipn: 500423012
- country of origin: United States
payments valvplu:
- wallet: Apple-pay
- wire transfer
- credit card: Diners-club
- other
general valvplu:
- Pumps Pump Accessories > Vacuum Pumps > Other Vacuum Pumps
- condition: Seller refurbished
offer valvplu:
- availability: In Stock
- options: Ship-to-home
- best offers: True
- started: March 23, 2026
- sold: 0
- quantity: 1
seller valvplu:
- city: Albuquerque, New Mexico
- # reviews: 10250
- rating: 99.8%
returns valvplu:
- policy: Returns Accepted
- time: 60 Days
- paid by: Buyer
- method: Money back
shipping valvplu:
- cost: $0.00
- carrier: FedEx
- service: FedEx Ground / FedEx Home Delivery
- type: Fixed
- class: Standard
- transit: 3-9 Days
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