Aro PD30P-FPS-PTT-A 3 inch ANSI flange poly air diaphragm pump 1079 lpm 8.3 bar (120 psi)Aro PD30P FPS PTT A 3 inch ANSI flange poly air diaphragm pump EXP series 3 inch ANSI DIN x 8 hole flanges (Note: 3 inch NPT(F) threaded flanges available on request) 1: 1 ratio 3 4 inch NPT(F) air inlet port Self priming to 6. 3 m dry Sound level 85. 3 dBA at 60 cycles minute 4. 8 bar (70 psi) Performance: 8. 3 bar (120 psi) 1079 lpm 9. 5 mm max solids handling Includes 67389 muffler Materials: Body: Polypropylene Seats: Polypropylene Balls: PTFE