Proper air treatment helps to prevent faults in pneumatic components.
It increases the service life of the components and reduces machine failures and downme, thereby increasing process reliability.
Compressed air contains contaminants in the form of: parcles, water and oil.
Proper air treatment helps to prevent faults in pneumatic components.
It increases the service life of the components and reduces machine failures and downtime, thereby increasing process reliability.
Compressed air contains contaminants in the form of: particles, water and oil.
Water and oil can be in liquid or gaseous form and change from one state to another within the compressed air system.
An actual compressed air system will not have any of these contaminants in their pure form; they will occur in a mixture.
The composion of this mixture can vary greatly at different mes in different places in the system. For example, water
can collect in branch lines or parcles can become deposited in empty spaces over me, and then be propelled along atcan collect in branch lines or parcles can become deposited in empty spaces over me, and then be propelled along at
one stroke by a pressure surge.

Water and oil can be in liquid or gaseousform and change from one state to another within the compressed air system.
An actual compressed air system will not have any of these contaminants in their pure form; they will occur in a mixture.
The composition of this mixture can vary greatly at different times in different places in the system. For example, water
can collect in branch lines or particles can become deposited in empty spacesover time, and then be propelled along at
one stroke by a pressure surge.

Poorly prepared compressed air causes faults such as:
 - Accelerated wearing of seals
 - Oil-fouled valves in the control secon
 - Dirty silencers

Possible effects for the user and machine:
- Reduced machine availability
- Higher energy costs due to leakages
- Higher maintenance costs
- Shorter component and system service life

Compressed air quality in use
Designation to ISO 8573-1:2010
[parcle:water:oil]

The class that can be achieved with compressed air preparaon depends on
the quality of the compressed air downstream of the compressor.
The speci?caons apply to typical compressed air systems (this list is not exhausve). 

1) Much higher classes are possible with suitable air preparation down stream of the compressor.
2) Pipe system scan increase the particle content of the compressed air (chips, rust, ...), liquid oil can accumulatein some lines of the compressed air distribution system.Specifications apply at normal room temperature. If parts in the
compressed air systemare subject to lower temperatures, the humidity class must be chosen so that the pressure dew point is 10 K below the minimum expectedtemperature.
3) Class according to ISO8573-U010 at room temperature(20'C).

Definion of the compressed air purity class to ISO 8573-1:2010

The quality of the compressed air is determined by
 - solid contaminants (parcles),
 - humidity and water, and
 - oil content

The air purity class is specified as follows:
A = Parcles
B = Humidity
C = Oil content    

Example:
ISO 8573-1:2010  [–:7:–]
Parcles: Not defined
Humidity: ≤ 0.5 g/m³
Oil content: Not defined

1) Air cleaned using universal filters designed for parcle sizes of 5 μm (class 6) and 40 μm (class 7) is normally used for the compressed air supply to industrial tools and pneumac machines. These designs have been used for many years, before the latest systems for measuring parcle sizes were developed, and have enabled sasfactory operaon while minimising pressure
(and therefore performance) losse.

These filters are not 100% efficient; they offer an efficiency of at least 95% based on the specified parcle size, i.e. for class 6, 95% of all particles of the size 5 μm are filtered; for class 7, 95% of all parcles of the size 40 μm are filtered (measured as per ISO 125003).