Pipes, ductwork, and dust collection systems are protected under NFPA 69, Standard on Explosion Prevention Systems. In order to help prevent dust and spark explosions in woodworking, grain processing, machining, and other facilities, it covers a number of topics, including ignition control systems, oxidant concentration control, fuel concentration control, explosion prevention, and explosion isolation. It also lays out requirements for facility managers, safety officers, and designers.\n\n\n\n
