The real issue with air flow in a spray paint booth is having adequate air.
Spray booth air flow meter.
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 air flow rate and ventilation system on the paint booth ensures that the airflow rate will keep the concentration of vapors in the mists below twenty five percent in the exhaust stream.
Running this spray booth for twenty minutes requires 262 080 cubic feet of available air.
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.
All booths can be classified as either open type non pressurized or pressurized.
Once you have measured the air flow you will want to see what the original design specification for your paint booth airflow was.
Even though these ventilation systems reduce vapors in the mist users still must wear appropriate respiratory equipment while painting as required by osha.