A device or combination of devices for separating dust from the air handled by an exhaust ventilation system. OSHA: OSHA states that paint booths must be designed to filter out flammable contaminants and move air currents toward an exhaust for proper ventilation. OSHA 29.1910 and NFPA-33 have minimum requirements for air flow to decrease the concentration of flammable materials in a spray paint booth. 1910.94(a)(1)(viii) Exhaust ventilation system. There must be some sort of independent exhaust system in place to discharge outside of the building. Ventilation and Personal Protective Equipment Requirements for Spray Coating Operations. The ventilation system must be running at all times during and after spraying. There is no code or standard that requires a specific air change for paint booths. Quality paint booth ventilation requirements for sale from - 19 paint booth ventilation requirements - China paint booth ventilation requirements manufacturers from China. Paint booth air flow requirements. This air velocity is calculated with the spray paint booth empty and using a cross-sectional area of the air flow direction. (b) Operation. The old standard was 100 linear feet per minute (lfm), and this is still stated in the International Fire Code (IFC). Paint Spray Booth : OSHA requires spray painting operations to have a minimum average air velocity of 100 fpm over the open face of the booth (electrostatic spraying is exempt). Spray coating operations whenever practicable shall be confined to properly designed, constructed and adequately ventilated spray booths or spray rooms which meet all the requirements of both this section and Article 137. If you continue to force the same amount of air into a booth, which now has a reduced volume, you will over-pressurize the booth (forcing too much air into the booth). The ventilation performance of a paint booth is more closely linked to the actual velocity of the air within the cabin than the total number of times the air is exchanged. (a) General. Adding an item inside the booth: The booth pressure is different empty than when you have something in the booth to be painted. The item in the booth takes up a certain amount of volume in the booth. A system for removing contaminated air from a space, comprising two or more of the following elements (a) enclosure or hood, (b) duct work, (c) dust collecting equipment, (d) exhauster, and (e) discharge stack. You must account for this. Paint Booth Exhaust Fans Standard Tools and Equipment offers a variety of paint booth exhaust fans for general ventilation. Our most popular fan configurations are available online; for additional horsepower, single-phase, or explosion proof requirements, please contact our Customer Service Specialists. 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