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Grooved-end pipe in foam systems

Question asked by Gilber Ynoquio Herrera on Oct 28, 2015
Latest reply on Oct 28, 2015 by nocivus

Can I use couplings for grooved-end pipe in foam systems? (solution 97% water and 3% foam concentrate, couplings are similar to Victaulic 005)

Is this permitted by the NFPA 11 standard?