NPS-SF Series Heatless Pressure Swing Desiccant Dryers offer the lowest initial cost and highest reliability solution for providing low dew point dry air in small flow applications. These units are simple to install and operate, have minimal maintenance, and provide dry air with a constant, dependable, -40°F PDP as standard. Standard features include Non-lubricated shuttle valves, Solid state timer with LED display, Repressurization circuit to prevent pressure pulses during switchover, Low pressure drop and Easy service design. Available in seven sizes, from 3 to 50Scfm.

NPS Series Heatless Pressure Swing Desiccant Dryers offer the lowest initial cost and highest reliability solution for providing low dew point dry air. These units are simple to install and operate, have minimal maintenance, and provide dry air with a constant, dependable, -40°F PDP as standard (-100°F Optional). Standard features include Non-lubricated switching valves, Microprocessor control panel, 10 Minute NEMA cycle, ASME code pressure vessels, Downflow drying and Factory installed Pre and After filters. An optional Automatic Demand Purge (ADP) Control saves energy by matching purge to moisture load! Available in twenty sizes, from 40 to 6000 Scfm. For larger units,

NIH Series Internally Heated Desiccant Dryers offer a low dew point alternative to standard Heatless desiccant air dryers, but at a much lower purge loss of 5%. However, unlike other internally heated desiccant dryers, the NIH units incorporate convection heating, eliminating hot spots and the associated risk of fires. This unique feature also enables the use of these units with lubricated compressors, and prolongs desiccant and valve life. Available in twelve sizes, from 80 to 1850 Scfm.