Profile: Air-N-Gas Process Technologies is a manufacturer and exporter of nitrogen/oxygen gas generators, compressed air drying units, high/low pressure dryers and air filters. We also offer auto drain valves, air receivers, pressure vessels and air & water chillers. Our refrigerated air dryer removes moisture from compressed air. The compressed air in the dryer is passed through a heat interchanger, where cold refrigerant at around 3 degree C is passed through the other side of the heat interchanger. It is provided with a non cyclic operation. Our heatless dryer has two desiccant towers. It is provided with a microprocessor based controller with a purge saver.