Simple Design / Easy operation
This is the simplest type of Air Dryer with Activated Alumina / Molecular sieves drying agent. This design is virtually maintenance free, fully automatic, and requires no attention for years. Heatless type dryers do not require any heating for re-generation and therefore are very simple in design and maintenance free.
Low Investment / Low operating cost
They save energy besides economising purge by reducing the loss of purge to a minimum of 50%.
The moisture load is lessened by the auto drain valves in pre and oil filters. Therefore the desiccant life is secured without any extra cost.