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...Hydraulics engineering information coefficient and k factor table for various flow devices pitotless nozzle orifice diameter psi range gpm little hose monster open atmosphere in line bigboy note due to the shape size of uses three different factors over its operating insert connection using software a hand held pitot directly at hydrant outlet use right if you are that requires input type be less than notice must changed from true smooth rounded order accommodate lower this is necessary only square sharp projecting into barrel device stream straightener used classifying marking hydrants rated capacity class color tops nozzles aa light blue green b orange c red your theoretical discharge formula found nfpa above classifications can produce rates will match capacities source chapter our charts www hosemonster com i...