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Compressed Air & Gas Desiccant Dryers

Compressed Air & Gas Desiccant Dryers

Compressed Air & Gas Desiccant Dryers

Product catalog summary
Overview
The document provides detailed information on Parker Hannifin Corporation's Finite Filter Operation, specifically focusing on compressed air and gas desiccant dryers for point-of-use and OEM applications. These dryers are designed to provide clean, dry air for various pneumatic applications, including instrument protection, air tools, auto body paint systems, and valve actuation.

Specifications
The FDD Series dryers are engineered for easy desiccant changeouts, longer life, and lower pressure drop. They can handle intermittent flows up to 60 SCFM and do not require a steady flow for constant dewpoint suppression. Key features include a zinc head/steel bowl with an integral sightglass, sintered bronze elements, and a maximum operating temperature of 180°F.

Applications
The dryers are suitable for 1/4" to 1" NPT ports, with capacities up to 60 SCFM and pressure dewpoints down to -40°F. They are ideal for intermittent air use, providing clean, dry air for pneumatic applications and protecting instruments and air tools.

Installation Recommendations
It is recommended to place a moisture separator and/or pre-coalescing filter upstream to remove bulk liquids and a coalescing filter to remove oil. A 3-micron particulate filter is suggested downstream to remove desiccant dust in critical applications.

Desiccant Types and Functionality
The document describes the use of silica gel and molecular sieves as desiccants. Silica gel changes color from blue to pink when saturated, indicating the need for replacement or regeneration. Molecular sieves offer exceptional water vapor adsorption characteristics.

Performance and Ordering Information
The document provides detailed dimensions and ordering information for different models (FDD15, FDD30, FDD60) with varying flow capacities and desiccant weights. It also includes information on spare parts and repair kits.

Key Takeaways
Finite desiccant dryers are reliable for ensuring moisture-free air in sensitive pneumatic equipment. They are effective in removing residual water vapor and aerosols, with silica gel being a popular choice for the FDD series.
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Catalog excerpts

Compressed Air & Gas Desiccant Dryers-1

Compressed Air & Gas Desiccant Dryers For Point of Use and OEM Applications Bulletin 1300 - 850/USA Dryers Finite ® 131 Parker Hannifin Corporation Finite Filter Operation Oxford, MI

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Compressed Air & Gas Desiccant Dryers-2

FDD DESICCANT DRYER SERIES Pressure Dewpoints Down to -40° Finite® Filter's unique in-line air/gas dryer system is engineered for easy desiccant changeouts, longer life and lower pressure drop. The FDD Series is designed to remove water vapor and aerosols at point-of-use for intermittent flows up to 60 SCFM. Finite dryers do not require steady flow for constant dewpoint supression. A color changing moisture indicator with visual sight gauge indicates the need for desiccant STANDARD FEATURES Zinc Head/Steel Bowl with Integral Sightglass Sintered Bronze Elements (prevent desiccant carry over) Collar...

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Compressed Air & Gas Desiccant Dryers-3

DESICCANT TYPES WHY Finite® DESICCANT DRYERS? SILICA GEL — Finite Filter's 100 percent indicating silica Silica Gel a popular choice Outstanding features of Silica Gel include: • High adsorption capacity - average surface area for each bead is over 200 ft2 • Low abrasion, due to high mechanical strength for long service life • Ideal packing in bowl due to bead shape • Uniform color change • Excellent regeneration characteristics As the silica beads adsorb moisture, they change from blue to pink, indicating the need for replacement or regeneration. The desiccant can be regenerated by heating in...

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Compressed Air & Gas Desiccant Dryers-4

*Dimensions A & B do not include reducer bushings Note: Weight is for housing only. Bowl removal requires a minimum of 2". ORDERING INFORMATION HOUSING ONLY** Molecular Sieve For detailed performance curves, please contact Finite*9 Filter. SPARE PARTS BOWL CAPACITY MASTER PACK Note: A repair kit consists of a filter element, filter retainer, o-ring, stud, bottom nut, The flow capacities in the table are nominal ratings provided for reference. These capacities are recommended for minimal pressure drop and average desiccant life. A supply of low flow/low humidity air will provide longer desiccant...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.