USED: Nash Hytor liquid ring vacuum pump USED: Nash Hytor liquid ring vacuum pump, model AL574, carbon steel. Approx capacity 30 cfm at 21" hg at 1740 rpm. 1-1/2" NPT inlet/outlet. Driven by a 35 hp, 3/60/208-230/460 volt, 1740 rpm motor. Mounted on a carbon steel base. and the product is still available, |