Food Freeze Drying Machine is used for food preservation that works by removing water from the food. The Drying Machine also prevents the growth of micro-organisms and decays in food the removing water. Ref Vac Consultancy manufactures Food Freeze Drying Machine. Ref Vac Consultancy offers a wide range of precision engineered food freeze drying machines, lyophilizers and other food processing machineries. The Food Freeze Drying Machine of model number REVA - 30 has the capacity to preserve 30 kg of food at a time.