Standard Fire Stream : Nozzle flow rate of 250 gpm; it is the flow rate from a 1 1/8 in. nozzle at approximately 50 psi. See: Standard Hose Stream; See also: Fire Stream, Hose Stream
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}