TY3935 Todd Williams
Fire Protection Design/Consulting Stonington, CT 860-608-4559 > > On Nov 2, 2025 at 9:02 AM, <daren welborn (mailto:[email protected])> wrote: > > > Dry head 3/4”, never seen it > > > Sincerely, > > > Daren Welborn > > > > > > On Nov 2, 2025, at 8:44 AM, Fpdcdesign <[email protected]> wrote: > > > > > > > > > > > > > K factors are determined by orifice size. 3/4” orifice K5.6 doesn’t exist. > > Do you mean 3/4” thread? I believe there are still some dry sprinklers made > > that way. > > > > > > > > > > Todd Williams > > > > > > Fire Protection Design/Consulting > > > > Stonington, CT > > > > 860-608-4559 > > > > > > > > > > > > > > > > > > > > > > On Nov 2, 2025 at 8:14 AM, <Teaster1974 (mailto:[email protected])> > > > wrote: > > > > > > > > > > > > > > > i need a dry barrel head extended coverage (3/4” orifice, extended > > > coverage, 155 degree, k 5.6) for ordinary hazard. > > > > > > > > > > > > > > > > > > > > > > > > > > > i cant find any for OH. > > > > > > _________________________________________________________ SprinklerForum > > > mailing list: > > > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > > > To unsubscribe send an email to > > > [email protected] > > > > > > > > > > > _________________________________________________________ > > SprinklerForum mailing list: > > > > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > > To unsubscribe send an email to > > [email protected] > > _________________________________________________________ SprinklerForum > > mailing list: > > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > > To unsubscribe send an email to > > [email protected]
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