It’s in Table 23.4.4.7.1, third line from the bottom “Copper tube or stainless steel" is C-value of 150 in the 2013 edition.
More references to stainless steel is located in the 2016 edition. 6.3.7 StainlessSteelPipe.Stainlesssteelpipeasreferencedin the standards listed in Table 6.3.1.1 shall be in accordance with Schedules 10S or 40S pipe. Table 6.3.1.1 Stainless Steel Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes ASTM A312/312M Table 6.4.1 Stainless Steel Specification for Wrought Austenitic Stainless Steel Pipe Fittings ASTM A403/A403M 23.4.1.2 Pipe sizes shall be no less than 1 in. (25 mm) nominal for black or galvanized steel piping and 3⁄4 in. (20 mm) nominal for copper tubing or brass, stainless steel, or nonme- tallic piping listed for fire sprinkler service unless permitted by 8.15.20.4 and 8.15.20.5. Tom Wellen AFSA Technical Services > On Oct 12, 2015, at 2:49 PM, <[email protected]> <[email protected]> > wrote: > > I am working on a food processing facility that requires stainless steel > piping. NFPA 13, 2013 Edition does not have a C factor listed, but I found > 150 in the 2002 edition. Is this still the correct C factor to use? Is it > to be used for both wet and dry? > > Thank you, > > > Bob Knight, CET III > 208-318-3057 > www.firebyknight.com > > _______________________________________________ > 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
