Why filter compressed air for spray painting?

With air filtration down to 0.01 microns and activated carbon removing contaminants and odours down to 0.003 ppm for both breathing and spraying. Compressed air filtration is designed to remove liquid, oil and water from flowing compressed air.
For working spray booths filters should be replaced every 3 months.

 

You must install a wall mounted filter regulator to remove water and oil otherwise paint defects e.g. craters emerge.
A simple solution is to run a 10-metre airline from the compressor to the wall filter then add another line to the outlet to run to the spray gun.

See figure 1.0 (part no. AH117317 for filtration) – showing a typical compressed air configuration.

What filter regulator do I need?

• Single stage brings the air down to 0.5 microns which is clean enough to spray with.
• Two stage 0.01 micron and greater capacity for long life span. Sufficient for 1-man air fed mask.
• Three stage for minimal contaminants including odour; so the ultimate for air fed mask operation.
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