Paint Booth Air Flow Meter

When spraying paint in a paint booth you need to expel the fumes from the work area.

Paint booth air flow meter.

Booth spray room. Their air flow requirements are summarized below. 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. Airflow in a downdraft paint booth.

This exhaust fan needs to be properly sized to move enough air out of the work area. In sufficiently high concentrations the fumes will cause health problems and may even lead to serious injury. A 14 wide x 9 tall x 26 long spray paint booth will exhaust at least 13 104 cubic feet of air per minute. Dividing the flow rate by the volume 32 000 8 960 gives 3 5 air changes per minute.

The real issue with air flow in a spray paint booth is having adequate air. This requires a building at least 17 472 sq ft with 15. Fans to push and pull the air being pushed in and pulled out are done with two types of fans. Typical paint booth air flow values can be read about here or just remember typically a cross draft paint booth will have air flow of about 100 feet per minute based on the width and height of the booth a downdraft will have air flow of about 50 feet per minute.

The total flow through the booth 16 x 40 x 50 would be 32 000 cfm. If a downdraft paint booth is 16 feet wide and 14 feet tall typical air velocity in the booth would be 50 to 100 fpm. The front flow booth draws air in through filtered front doors and exhausts the air out through the filter banks located at the rear of the booth this traditional style booth has been a favorite among painters for years in providing a clean environment to. The fumes are removed from the area by use of an exhaust fan.

For this example let s use 50 fpm. The three main styles of paint booths are cross draft down draft and side down draft paint booths.