Dear All, NATSPEC in Australia specify the application of mechanical roll-grooved fittings: Provide only in sprinkler-protected areas. https://www.natspec.com.au/
I wonder why and if NFPA has a similar rule? Thanks for discussing. Regards, Le Vu Phong Mobile: +84 (0) 902 363 525 _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
