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Dust Collectors: Do We Need to Protect Against Explosions and What Are the Best Methods?

Dust Collectors: Do We Need to Protect Against Explosions and What Are the Best Methods?

Where an explosion hazard exists inside of air-material separators (dust collectors) the NFPA prescriptively requires that such equipment be protected against explosion and that upstream explosion isolation, in the ductwork servicing this equipment, also be provided. This article principally focuses on media-type dry collectors that are typically part of local exhaust ventilation systems designed to remove dust from the atmosphere.