In fact the national fire protection agency nfpa and most cabinet suppliers recommend keeping the vent plugs on flammables cabinets closed.
Vented flammable storage cabinet.
According to nfpa code 30 flammable and combustible liquid code section 9 5 4 it states the cabinet is not required to be vented for fire protection purposes.
According to nfpa 30 flammable and combustible liquids code handbook venting a flammable storage cabinet is not necessary for fire protection purposes.
A vented cabinet.
According to the national fire protection association nfpa code 30 flammable and combustible liquids code venting a flammable storage cabinet is not necessary for fire protection purposes.
1926 152 b 2 iii cabinets shall be labeled in conspicuous lettering flammable keep away from open flames 1926 152 b 3 not more than 60 gallons of category 1 2 and or 3 flammable liquids or 120 gallons of category 4 flammable liquids shall be stored in any one storage cabinet.
Approved metal storage cabinets will be acceptable.
Federal osha recognizes the nfpa guidelines when it comes to flammable and chemical storage cabinets so there is no requirement to vent cabinets for osha compliance.
Flammable and combustible liquid storage cabinets are designed to help protect the internal contents from a fire outside of the cabinet.
In most cases however cabinets do not need to be vented.
The nfpa sets the design criteria for flammable liquids storage cabinets in code 30 9 5 which include.