> On Feb 24, 2020, at 08:03, Skyler Bilbo via Sprinklerforum > <[email protected]> wrote: > > I have a little experience with this. I have seen a system brand called > "Flamex" on the dust collection ducts. This system uses flame sensors and > solenoids to extinguish a fire in the duct, which is a better system than > just installing sprinklers in there. I can say that installing sprinklers in > the top of the filter units is a good idea. I have seen fires in these at a > couple of facilities, and the employees on one of the sites later admitted > "it was a whole lot cheaper to buy the filters that aren't flame resistant, > like the manufacturer recommends..." The Flamex people can be helpful if you > give them a call (it is what they do). Be very careful about your liability > with these systems (speaking of which, this email is by no means a substitute > for an engineered fire protection system), and it is important to mention > these usually have a high explosion (read: deflagration) risk, which needs to > be addressed. Also, you might consider some kind of physical protection for > any heads you install. I hope this was helpful, because I know how I felt > when I first started going through these systems. > > > - Skyler > >> On Mon, Feb 24, 2020 at 9:46 AM Dewayne Martinez via Sprinklerforum >> <[email protected]> wrote: >> I am trying to figure out the proper design criteria for a combustible dust >> collector and associated duct work. >> >> >> >> NFPA 654-2020ed section 9.3.5.2 >> >> NFPA 652-2019ed section 9.8.5.3 >> >> Both refer you back to NFPA 13 >> >> >> >> There is no section on NFPA 13-2013 for dust collectors. The closest I can >> find is section 22.4 – spray applications using flammable or combustible >> materials. >> >> Anyone else have experience with this? >> >> Thanks, >> >> >> >> Dewayne Martinez >> >> Fire Protection Design Manager >> >> >> >> TOTAL Mechanical >> >> Building Integrity >> >> >> W234 N2830 Paul Rd. >> Pewaukee, WI 53072 >> >> [email protected] >> >> Ph: 262-522-7110 >> >> Cell: 414-406-5208 >> >> http://www.total-mechanical.com/ >> >> >> >> <image001.png> >> >> >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
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