The systems I’ve done with really high temps have been specified as dry or pre-action systems.
Travis Mack, CFPS, CWBSP, RME-G, SET 480-505-9271 MFP Design, LLC www.mfpdesign,com Send large files to MFP Design via: https://www.hightail.com/u/MFPDesign Sent from my iPhone > On May 13, 2019, at 6:19 AM, Skyler Bilbo <[email protected]> wrote: > > Could this ever be dangerous, if water started to boil inside the pipes? You > mentioned the oven will be at 270°F and the heads will probably be 360°F. At > 270°F, water would boil below a gauge pressure of about 27.3 PSI. If the > oven ever ran away and got hotter than anticipated, or had "hot spots", which > is common, it could get up to 360°F before the heads go off, and water would > boil at any gauge pressure below about 135 PSI. It seems like when the water > starts to boil, it would raise the pressure in the piping, and probably raise > it to a point where it wouldn't boil any longer. If we had water in piping > at 60 PSI and heated it up to 360°F, what would happen? I definitely > wouldn't want a pipe bomb situation, but I'm not sure that would happen. > Just something I've been curious about before, and I'm eager to hear what > other people think, especially if anyone has tried it - in a safe > environment, of course. I always made sure the riser had a pressure relief > valve on it for any ovens we have done (it is common for them not to, since > we are usually adding these on to existing systems), because I always figured > it could only help in this situation - kind of like how they do on water > heaters as a safety device so they don't explode through your roof. > > https://www.youtube.com/watch?v=l3i_ZGPtm68 > > > Skyler Bilbo > >> On Fri, May 10, 2019 at 10:38 AM Travis Mack <[email protected]> wrote: >> Why 11.2? The criteria for 11.2 for density above 0.34 is found in storage >> chapters. This is not storage. >> >> Location has meaning. >> >> Travis Mack, CFPS, CWBSP, RME-G, SET >> 480-505-9271 >> MFP Design, LLC >> www.mfpdesign,com >> Send large files to MFP Design via: >> https://www.hightail.com/u/MFPDesign >> >> Sent from my iPhone >> >>> On May 10, 2019, at 8:24 AM, Luis Perea <[email protected]> wrote: >>> >>> Hi everyone, I’m having trouble finding a sprinkler k=11.2 for high >>> temperature for a paint booth, the paint booth where I’m installing this >>> sprinklers goes up to 270F° so I need a sprinkler with a temperature rating >>> of at least 320°f. >>> >>> >>> >>> I found this Sprinkler but the problem is that the max K Factor is 8.0 >>> >>> <image001.jpg> >>> >>> >>> >>> Any of you know if is a k=11.2 sprinkler I could use? >>> >>> Thanks >>> >>> >>> >>> LRPF >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> _______________________________________________ >>> 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 > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
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