Target fire flows were determined to be 200 gpm with a 50-psi, 1-inch smooth bore nozzle for the smaller handlines and 325 gpm on 2½-inch handlines with a 1¼-inch tip. Further testing is being ...
The force that’s delivered in psi is just as influential as the gpm that ... nozzle for suppression and extinguishment. Most of the time, this debate is limited to smooth bore and combination ...
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