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USED:Nash liquid ring vacuum pump, model...
USED:Nash liquid ring vacuum pump, model SC7/7, cast iron. Approx688 cfm. Driven by a 75 hp, 3/60/460 volt, 1185 rpm XP motor.6" diameter inlet/outlet. Unit includes holding tank rated FV/25 psiat 250 deg F and a heat exchanger. Mounted on a frame.
and the product is still available,