Multiply gpm flow from ¾ hose by 25. Depends on size of hose and pump pressure. Hose designed to be used by trained fire.
4) diameter of discharge orifice. Similarly, it is asked, how much psi comes out of a fire hose? All nozzle pressures are pitot gauge readings, not pump pressure gauge readings. Fl chart 1½ _ hose 1¾ ^ hose 2½ _ hose 5 hose gpm 20 30 60 95 125 30 60 95 125 150 150 200 250 325 500 lgth 100 1 2 9 22 37 2 6 14 24 62 5 8 13 21 50