NFPA-13 8.4.7.2.1 - where steel pipe is used in pre-action and drypipe
system, piping materials shall be limited to internally galvanized steel.
Does this apply to ALL dry systems - or just those with CMSA heads.
Thanks for rescuing me from dumbness!
11351 Pearl Road / Strongsville, Ohio 44136Phone 440 238-4800 Fax 440
238-4876Cell 440 724-7601
/Vince Sabolik /
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