Matt, I believe a product such as Allied's ABF coated pipe would meet the intent as corrosion resistant therefore being an alternative to galvanized. Since galvanized pipe is starting to fall out of favor, this will probably be used more often to satisfy that particular code section.
Justin Reid On Thu, Oct 27, 2011 at 4:56 PM, Matt Grise <m...@afpsprink.com> wrote: > In the 2007/2010 edition of NFPA 13, section 8.3.4.3 allows k 4.2 > sprinkler heads to be used on dry systems where the piping is corrosion > resistant or internally galvanized. > > Are there any options that people are aware of for corrosion resistance > besides internally galvanized? (Copper being too expensive, and plastic not > allowed for full 13 dry systems) > > Would a system that is charged with Nitrogen meet the intent? > > Matt Grisé PE*, LEED AP > Sales Engineer > Alliance Fire Protection > 130 w 9th Ave. > North Kansas City, MO 64116 > > *Licensed in KS & MO > > 913.888.0647 ph > 913.888.0618 f > 913.927.0222 cell > www. AFPsprink.com > > > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.org > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111031/64d30b43/attachment.html> _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
