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Dry System couplings

Question asked by districtfireprotection on Nov 14, 2019
Latest reply on Dec 20, 2019 by gbartels

Is it Nfpa 13 code for dry systems that the couplings have a flush type gasket?

In the 2010 edition it states the coupling and gasket shall be listed but I can not find anything stating the type of gasket to be used.