Cleanroom compressed air must meet the ISO classification of dust-free room at rest. To achieve and maintain this classification, it is essential that all parts of the system are aligned with it. In a modern compressed air piping system the high quality requirements of compressed air guaranteed by means of techniques such as adsorption, heating and filtration. This ensures not only clean compressed airbut also prevents disruptions in sensitive processes and minimizes the risk of contamination.
Technique behind compressed air in cleanrooms
The technical specifications for cleanroom compressed air can vary widely depending on the industry or laboratory. The required compressed airquality is determined by the specific application: what is acceptable in an electronics environment may already lead to failure in pharmaceuticals.
For users of compressed air it is therefore crucial to know which contaminants are acceptable within their process boundaries, as well as the risks posed by contaminants. This enables us to take targeted measures for effective control of the compressed airquality.
Therefore, every component in the compressed air piping system, from the source to the take-off point, must meet the correct specifications. Only then can a constant, reliable flow of clean compressed air can be guaranteed, leading to fewer failures, higher product quality and maximum process reliability.
Clean compressed air for critical industries
For critical industrial applications of cleanroom compressed air are subject to extremely stringent requirements. For example, a dew point below -73 °C is often used, with a carbon dioxide content of less than 1 ppm and a maximum permissible concentration of hydrocarbon vapor of only 0.003 ppm. These values are necessary to completely eliminate even the smallest risks of process disturbances or product contamination.
In less critical zones, one can get away with milder requirements, such as a dew point of -40°C or, in the least sensitive applications, even +4.4°C. This keeps the system efficient and cost-effective, with no compromise on quality.
Breathing air in relation to cleanroom compressed air
When cleanroom compressed air is inhaled, air quality is vital. Oxygen concentrations must be within the safe range of 18 to 23%, while harmful vapors and toxins should only be present in minimal, acceptable concentrations. This is essential to protect employees’ health and ensure a safe working environment.
In addition, the overall quality of compressed air in cleanrooms must always comply with the ISO classification of the room at rest. Only by strictly following these standards can it be guaranteed that both the process and the personnel remain protected from invisible but risky contamination. Do you have any questions about this? Feel free to contact us.