Vacuum

High and low atmospheric pressures affect vacuum systems. But how much? In this article, vacuum expert Bryan A. Jensen covers how weather systems on our planet affect vacuum systems and how each type of vacuum usage — utility vacuum or process vacuum — responds to barometric changes in our atmosphere.

In this article, we’ll discuss some of the uses for receiver tanks for positive pressure systems where the pressure inside the system is greater than atmospheric pressure, and the uses, or lack thereof of, receiver tanks in vacuum systems where the system pressure is less than atmospheric pressure.

Freeze dry systems are some of the more thermodynamically active vacuum applications around, with operating pressure requirements firmly categorized in the “medium vacuum” realm.  The lessons learned from the principles and subsystems in play can and should be applied broadly; to your own industrial vacuum system whether freeze-drying is your game or not; and, just maybe, in appreciation of the happenstance of our own humanity. 

Written by: Bryan A. Jensen