Vacuum pump oils are used with vacuum pumps, which remove air or other gases from a closed chamber to create a pressure differential. While the pressure in the chamber is reduced, removing the additional molecules becomes exponentially harder. As a result, an industrial vacuum system must be able to operate over a portion of an extraordinarily wide pressure range.
In addition, the relationship between the oil’s volatility and vapor pressure in vacuum pump applications are closely connected because a more volatile oil is more likely to turn from a liquid to a vapor as temperatures increase. Excessive evaporation losses lead to a higher risk of lubricant starvation and are detrimental to quality, due to abrasion and condensation. Hence, choosing a lubricating oil with a low vapor pressure will ensure the system operates efficiently. Vacuum-resistant PFPE lubricants made by Klüber Lubrication support sensitive manufacturing processes.