Updated on Aug. 5, 2016. Delta is redefining the products it offers customers to further distinguish the choices available to them. Delta will offer best-in-class options for each of its customer segments with innovative multi-cabin experiences. Customers will have five products to choose from, including Delta One, First Class and Delta Comfort+ which offer premium amenities. Main Cabin and Basic Economy service will offer value options with Delta's high standards of service.
Rating Newest Oldest. Best Answer: The can gets cold for the same reason that any other refrigeration unit gets cold. (eg air conditioner, refrigerator, dehumidifier). Inside of the can, there is a chemical which can be used as a refrigerant. It's a chemical with a low vapor pressure. When you press the button on top of the can, you open a valve and release some of the pressure from the can.
The compressed air discharged from an air compressor is hot (fig. AC1-1). Compressed air at these temperatures contains large quantities of water in vapor form. As the compressed air cools this water vapor condenses into a liquid form. As an example if an aftercooler is not used, a 200 scfm compressor operating at 100 psig introduces 45 gallons of water into the compressed air system each day.