A 14 wide x 9 tall x 26 long spray paint booth will exhaust at least 13 104 cubic feet of air per minute.
Paint booth air flow regulations.
The ventilation system must be running at all times.
Aside from these minimum requirements for paint booths there are some essential safety practices to make sure your booth is maintained properly.
The acgih guidelines and consensus standards criteria are typically recommended when there is no osha criteria addressing a particular problem.
If you make the filter section too small you can expect turbulence in the booth and this will cause paint overspray to settle on the walls ceiling lamps etc.
Additionally vs 75 04 allows the designer to further reduce the airflow rate to 50 cfm ft 2 when the cross sectional area in a drive through booth is greater than 150 ft 2.
Paint booth air flow requirements.
Spray booth safety tips.
There must be some sort of independent exhaust system in place to discharge outside of the building.
Controlling the paint booth air flow going into the booth with relation to the air being exhausted from the booth is critically important to maintain the proper flow of air over the item being painted and remove the over spray effectively.
Keep your spray booth clean and change filters regularly.
If you want uniform air distribution throughout the booth you should size the air intake filters accordingly.
Restrict access for anyone with asthma allergies and respiratory illnesses.
The real issue with air flow in a spray paint booth is having adequate air.
Air velocity 312 5 ft2 x 50 ft min 15 625 ft3 min.
Fans to push and pull the air being pushed in and pulled out are done with two types of fans.