You're figuring operating pressure more than 175 psi? On May 7, 2016, Alexandre Lupien <[email protected]> wrote: >For a retrofit project with a 40 years old sprinkler system. Would it >be >acceptable to have branch lines and main pipes at a water velocity of >about >110 ft/s. A high rated fire pump would be added, but this would avoid >replacing the small diameter piping in the existing tenant spaces. Is >there >risk of breaking the pipes at this velocity, or blocking the sprinkler >system with debris dislodging from the existing pipes? > > > >Hydraulic calculations would not be accurate at this velocity but maybe >a >safety factor on the sprinkler demand could be added for this? > > > >Thanks > >Alex Lupien > >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
-- Sent Postage Due _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
