IGV or IBV ? , that is the question…

IGV or IBV ? , that is the question… In the 20th Century inlet butterfly valves (IBV) on centrifugal air compressors were the standard. But as there came more demand for better energy efficiency the application of IGV’s rose. IGV stands for inlet guide vanes, this...

Downside of using large VSD oil free screw compressor

Downside of using large VSD oil free screw compressor [Oil free air insight know how] Today I want to touch up on a subject that is not commonly known and often underestimated.“Using a large oil free VSD rotary screw compressor which needs to cover a wide capacity...

What is real oil free air ?

What is real oil free air ?   There are applications in industry that require clean air. And by clean we mean very clean. So the degree of purity.This purity is laid down in an ISO standard. This ISO standard is 8573-1: 2010. It describes 7 classes that indicate...

Pressure Dew Point (PDP) Explained in compressed air systems

Pressure Dew Point (PDP) Explained in compressed air systems The measure of how much water vapor there is in a gas is called dew point temperature. Not to be mixed up with pressure dew point. The term “pressure dew point” is used when measuring the dew point...