Concur. My guess is that you could go 4:1 on a groove-o-let up to the same rating as a Vic 75. Ironically, if we can't find a welded solution to satisfy this very particular AHJ, then we will use grooved saddles which are listed for the same working pressure as the couplings attached to them.
Steve Mike Cabral <[email protected]> wrote: I think this is the same issue you experienced when looking for listed high pressure pipe. The 300 psi listing is all the manufacture asked for. Sent from my iPhone On May 7, 2013, at 2:26 PM, Roland Huggins <[email protected]> wrote: > Me thinks that is a class rating that does indeed come out of the steam world (like Class 125 being ok for 175 psi water). > > Roland > > On May 7, 2013, at 11:52 AM, Art Tiroly <[email protected]> wrote: > >> Isn't 300 psi a high temp steam rating? >> Cold water may be even more than 300 psi. >> >> >> Arthur Tiroly > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.o rg _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.o rg _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
