• Pre and After-Filters Installed
• Filter Drains
• Pre-Filter Differential Pressure Indication
• Diaphragm Directional Valves
• Tuned Regeneration System (Patent Pending)
• High Volume Blower
• Low-Watt Incoloy Heater
• Dew Point Sight Glass
• Tower Pressure Gauges
• ASME/CRN Pressure Vessels (iSTUE-100 & Larger)
• Purge Exhaust Muffler
• Full Charge of USA Desiccant
• Three (3) Valve System Bypass
• Dual Filter Packages
• High Pressure (to 800 PSIG)
• Tower Insulation
• Outdoor Insulation
ICP's iSTUE heat reactivated desiccant air dryers use the adsorption method to remove moisture from compressed air. Pressure dew points as low as -40°F (-40°C) are achieved by directing the flow of saturated compressed air over a bed of desiccant. The most commonly used desiccant is activated alumina, a spherically shaped, hygroscopic material, selected for its consistent size, shape and extreme surface to mass ratio. This physically tough and chemically inert material is contained in an ASME pressure vessel. As the saturated compressed air flows through the adsorbtion tower, its moisture content adheres to the surface of the desiccant. The dry compressed air is then discharged from the vessel into the distribution system.
A master controller puts the unit into the regeneration mode once a day at the user's selected time. Regeneration, sometimes referred to as “purging”, is the process of stripping the accumulated moisture from the desiccant bed.
iSTUE heat reactivated dryers combine heat with forced ambient air to affect regeneration. Regeneration requires no compressed air or heat of compression and is self contained.
As heated, low pressure, purge air flows gently through the regenerating bed, it desorbs the moisture that had accumulated on the surface of the desiccant during the drying cycle and exhausts it to the atmosphere.