Viking stainless steel sanitary gear pump model kk 4500 b, serial # 2391151. Features 2. 5" inlet and outlet with acme threaded connection, direct coupled to 5 horsepower gear reduced drive 230/460/3 phase voltage, 1750 rpm with 10 to 1 gear reduction for final co-shaft rpm of 175, manufacturer rates pump capacity at 50 gpm at maximum rpm of 420, as configured pump estimated gpm is 20. 8. Formerly used in cosmetic manufacturing.