Acid Storage Cabinet Venting

In fact a vented cabinet could compromise the ability of the cabinet to protect its contents from a fire.

Acid storage cabinet venting.

Therefore it is recommended that storage cabinets including acid storage and flammables storage cabinets not be ventilated see nfpa. Venting a chemical storage cabinet is not necessary for fire protection. The university of wisconsin sets forth the following. During a fire vapor from the hazardous chemicals in the cabinet may be released.

If the integrity of the chemical storage cabinet is compromised because of the ventilation system these hazardous fumes will escape from the cabinet and a very dangerous and devastating situation may occur. Air should be removed from the bottom vent opening of the cabinet. While cabinet manufacturers may provide the bungs for ventilation purposes venting flammable liquid storage cabinets is not required or even recommended by any federal regulatory agency. Bungs shall be used to seal vent openings.

Cabinet shall be labeled acid or corrosive. For those fume hoods provided with vented under counter chemical storage cabinets to reduce odor each cabinet shall be connected to a 1 5 inch diameter vent tube which penetrates and is sealed to the fume hood countertop. If the integrity of the chemical storage cabinet is compromised because of the ventilation system these hazardous fumes will escape from the cabinet and a very dangerous and devastating situation may occur. The progard nu 50 vented acid storage cabinet is corrosive resistant allowing proper ventilation for storage of acids and chemicals.

Free standing cabinets in biomedical labs shall not be vented. Cabinet manufacturers include venting bungs for users who may be required to vent by state or local codes individual company policies insurance carrier policies or any other authority having jurisdiction ahj.