Operating pressure is 100 psi;dilivery flow rate @1140 rpm=4.2gpm per pump assembly has 2 pumps; max continuous pressure is 2500 psi; motor shall be 3/4 hp, 220 volt, 3 phase, 1200 rpm, nema 143 tc, tefc;suitable for outdoor use in an ambient temperature range of minus 40 decrees f to plus 140 degrees f;apply one coat of primer per mil-dtl-0053022, type ii. Then apply one coat top coat per mil-prf-85285, type ii use color number 17925 (white)