Used 2.5" hose pump/7.5 horsepower by Motorvario Motor (Italy) directly coupled to pump with Motorvario 33. 72 to 1 gear reducer for final pump rotor speed of 51. 9 rpm, estimated gpm @ . 76 per revolution is 38, voltage 208-230/460/3 phase, 60 hz, amps 22. 5/21. 5/12. 4, 1740/1750/1760 rpm, four bolt 7" diameter companion flanges at inlet and outlet reduced to 2. 5" and 2" tri clamp connections, pump housing can mount in any of four positions to accommodate application, painted steel construction with vibration dampening floor feet, pump rotor contained in lubricant filled housing with view window and fluid sight glass.