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Optimizing Compressed Air Quality: A Guide to Moisture Removal Solutions

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by Erin Hipolito
April 4, 2024

Understanding Moisture Removal in Industrial Compressed Air Systems

As engineers and technicians in the industrial sector are well aware, the demand for optimal air quality in compressed air systems is paramount. At Pye-Barker Engineered Solutions, we recognize the importance of effective moisture removal solutions tailored to the specific needs of industrial machinery.

Deciphering Moisture Levels: The Importance of Pressure Dew Point (PDP)

Determining the required dryness involves considering the pressure dew point (PDP), expressed in degrees Fahrenheit. The PDP signifies the temperature at which moisture in compressed air condenses into a liquid form. Given that compressed air at 100 PSIG is saturated with 100% relative humidity, effective moisture removal becomes essential.

Methods of Moisture Removal

To address moisture concerns, various methods are employed in compressed air systems:

  1. After-Cooler and Moisture Separator Description: Placed at the compressor discharge, an after-cooler reduces air temperature, coupled with a moisture separator to eliminate condensed water. Recommendation: Ideal for basic applications, but may not suffice for higher air quality needs.
  2. Long Pipe Run with Moisture Separator Description: Cooling occurs during the lengthy pipe run, with a moisture separator for water removal. Caution: Risk of condensed water causing rust and scale, making it a less preferred option.
  3. Refrigerated Air Dryer Description: Suitable for indoor setups, these dryers lower the dew point to 35-50 deg F, preventing condensation in the lines. Additional Recommendation: Install a point-of-use filter downstream for enhanced air quality.
  4. Pressure Swing Twin-Tower Desiccant Dryer Description: Recommended for critical air quality needs or freezing conditions, lowering the pressure dew point to -40 deg F or even -100 deg F. Variations: Heatless regenerative, heated regenerative, blower purge heated regenerative, and heat-of-compression dryers are available.
  5. Dew Point Suppression Dryers Description: These dryers suppress the dew point 15-20 deg F below the incoming air temperature, utilizing a single desiccant tower. Consideration: Requires periodic desiccant replacement.

Pye-Barker Engineered Solutions: Your Trusted Partner

At Pye-Barker Engineered Solutions, we understand the critical role of air drying and cooling equipment in maintaining optimal functionality for industrial machinery. Our comprehensive range of products, tailored to meet diverse cooling and drying requirements, ensures that engineers and technicians can make informed choices for their compressed air systems.

Enhancing Compressed Air Quality with Pye-Barker Engineered Solutions

Understanding the nuances of moisture removal in compressed air systems is integral to maintaining optimal functionality. As engineers and technicians, making informed choices about air dryers ensures the longevity and efficiency of your industrial equipment.

Ready to Enhance Your Compressed Air Quality?

Contact Pye-Barker Engineered Solutions today for tailored air drying and cooling solutions that meet the unique needs of your industrial machinery.

Request a Quote



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