Filtration & Air Quality


Filtration and air quality is extremely important with externally pressurized gas bearings require clean and dry air to maximize the load bearing capacity. Here you will see some typical filter and dryer assemblies that are used to provide this clean and dry air to the bearings. Below is a chart showing filter classes and recommended specifications for different particles.

Air Filter and Dryer Assembly
Quality Class DIRT
(Particle Size in Micron)
WATER
Pressure Dew Point ° F
@ 100 PSIG
OIL
(including vapor mg/m³)
1 0.1 – 94 0.01
2 1 – 40 0.1
Recommended 3 5 – 4 1.0
Minimum Specs 4 15 + 37 5
5 40 + 45 25
6 + 50
Chart Detailing filter recommendations