GNB Corporation Vacuum Multi-Coolant Baffles
GNB Corporation
The Premier Manufacturer of Vacuum Baffles

MCB Ring Style, Copper Louver

GNB has a 40+ year proven track record of manufacturing high quality vacuum solutions for the scientific, industrial, and research vacuum industries. One of GNB's core product lines is our cryo-baffles and cold traps. We have the experience to provide these quality products at great prices.

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Vacuum Baffle Products
Multi-Coolant Baffles: Baffles that are compatible with a wide range of coolants Diffusers: Baffle used to deflect the movement of gasses
Cryo-Baffles: Baffles capable of operating at temperatures below -150°C (-238°F) Contamination Traps: Baffles used to prevent oil and other contaminants such as selenium from traveling through a vacuum system
Water-cooled Baffles: Baffles that use chilled water Meissner Coils: Cryogenic coils used to increase pump speed in a vacuum chamber
Liquid Nitrogen Traps: Baffles with a storage reservoir for liquid nitrogen Custom Baffles: Baffles configured per customer requests
Heat Shields: Heat load protection for cryopumps and other components Engineering: Conductance and technical data for baffles

Vacuum Baffles have 4 typical applications:

  1. Trapping contaminants. As oil, water, selenium, and other contaminants travel in a vacuum system, they will stick to cold surfaces. Cooled baffles provide cold surfaces that can trap the contaminants, protecting the process or components from contamination.
  2. Heat shields. Processes may be hot, yet many vacuum components do not tolerate high temperatures. A baffle will protect cryo-pumps and other components from heat by absorbing the heat load.
  3. Diffusing gasses. A diffuser controls the movement of gasses in a vacuum system during pump down or venting by changing the speed and direction of moving gasses.
  4. Moisture Removal. Baffles can be used to increase pumping speeds by removing the moisture (humidity) from the air in the chamber. As cryo-coils and baffles condense the water vapor out of the air, they remove the water vapors load from the pumps and increase pumping speed.
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