Dryers

  • Compressed Air Dryers
    Although installing an after-cooler and moisture separator is a good first step, a dryer removes water vapor before it can condense in the pipeline or in downstream equipment. Desiccant dryers are used when lower than +38°F dew point is required, from the commonly used-40°F to -100°F pressure dewpoints.
  • Refrigerated
    Refrigerated compressed air dryers are the most common type dryer used in manufacturing plants.  Refrigerated type compressed air dryers are installed in applications where pressure dew points of +38°F or higher are tolerable.
  • Desiccant
    Continuous duty desiccant dryers use a regeneration cycle to dry the “wet” off-line desiccant tower while an on-line tower dries the system air.  Regeneration is available via the following methods:
  • Heatless
    Heatless desiccant dryers are the least expensive to purchase, though often the most expensive to operate, with the regeneration purge air roughly 15% of rated flow. Controls are available to reduce the purge flow at partial loads, reducing energy costs.
  • Heated
    External and internally heated dryers regenerate the desiccant using a small percentage of purge air. More expensive to purchase, they operate more efficiently than non-heated desiccant dryers.
  • Blower Purge 
    An external heater or heat source such as steam and a blower force hot air through the desiccant bed. The switching from one tower to the other is controlled by a PLC on either a fixed time or a demand basis.
  • Heat of Compression
    These dryers utilize heat generated during compression by the air compressor to regenerate the desiccant beds.  The Heat of Compression type dryer is on the of most energy efficient ways to dry compressed air.
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Filters

  • Pre-Filters
    Particulate filters or pre-filters remove harmful oil/water condensate, pipe scale, dirt and rust from compressed air systems, preventing corrosive damage to equipment and finished products.
  • Coalescing Filters
    Where particulate filters remove particulate and water, coalescing filters are designed to remove oil. For maximum performance and efficiency, coalescing filters should be preceded by a particulate or pre-filter. Several grades are available; from lower grade (.3) micron units to the finest grade elements utilized for the most critical filtration applications, such as in clean rooms.
  • Activated Carbon Filters
    Engineered for applications that will not tolerate oil vapors and associated odors, activated carbon filters should be preceded by a pre-filter and coalescing filter.
  • Medical and Breathing Air Filters
    Scales Industrial Technologies carries a complete line of NFPA and breathing air filters.

Please call one of our local offices for help with your specific needs.

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Manufacturers