Below is a list of Parts Dryers manufacturers from Iowa. Parts dryers remove moisture from machined components by use of blown air or heat. Of the three general methods that dryers use throughout most applications in the industrial and private sectors, air, infrared and spray drying, parts dryers use either air or infrared drying technology. Air dryers bring hot air in direct contact with the parts that need to be dried, and either the air movement or the heat causes evaporation. Infrared dryers use electromagnetic radiation from a certain wavelength range to heat the part until the moisture evaporates.