Old but still functioning dust collectors need to be upgraded
This is a question, we hear frequently. From our friends at Powder & Bulk Solids "Ask The Experts Blog", an article by Dr. Mayer with Rembe answering the question about what the requirements are for old dust collectors: Explosion Venting/Suppression Q&A We are a food processing company with an old but still functioning dust collector that needs to be upgraded and currently has no vent panels. We have been told that we need to move the dust collector outside in order to be in compliance with NFPA standards. Kst is somewhere around 150 bar m/sec or less. Is that our only option? Answered September 9th, 2010 by Expert: Dr. Gerd Mayer Not necessarily. You really have a number of options. Depending on distances, Preds and such, you might be able to duct and vent the collector to the outside with an explosion panel if your collector is close to an exterior wall. But you need to pay attention ...