HRL Series Heatless Regenerative Desiccant
Air Dryers
15 to 5000 SCFM
Altec AIR’s HRL Series Heatless Desiccant Air Dryers are our largest capacity regenerative air dryers to meet the needs of the industrial compressed air market.
- ASME / CRN Approved Pressure Vessels
- Factory installed Filters w/ Differential Pressure Gauges and Pre-Filter Timer Drain
- E-Z Switching Valves for Extreme Valve Life
- Feature Rich ETL Listed Pro-Logic Controller w/ NEMA 4 Enclosure
- Regulated Purge Flow for Optimum Setting, Regardless of Operating Pressure
- ISO 8573.1 Class 2 -40°F/C Standard Outlet Dewpoint
| Standard Features: |
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| Optional Features: | |
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| General Specifications: | |||||||
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| INLET Flow: (SCFM @ 100 PSIG) |
Inlet / Outlet Ports (NPT) |
Approx. Purge (SCFM @ 100 PSIG) |
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| HRL-0015-1 | 15 | 1/2" | 2.25 | ||||
| HRL-0025-1 | 25 | 3.75 | |||||
| HRL-0040-1 | 40 | 6.00 | |||||
| HRL-0050-1 | 50 | 7.50 | |||||
| HRL-0075-1 | 75 | 1" | 11.25 | ||||
| HRL-0100-1 | 100 | 15.00 | |||||
| HRL-0130-1 | 130 | 19.50 | |||||
| HRL-0200-1 | 200 | 1-1/2" | 30.00 | ||||
| HRL-0250-1 | 250 | 37.50 | |||||
| HRL-0300-1 | 300 | 45.00 | |||||
| HRL-0400-1 | 400 | 2" | 60.00 | ||||
| HRL-0550-1 | 550 | 82.50 | |||||
| HRL-0650-1 | 650 | 97.50 | |||||
| HRL-0800-1 | 800 | 120.00 | |||||
| HRL-1000-1 | 1000 | 3" (FLG) | 150.00 | ||||
| HRL-1250-1 | 1250 | 187.50 | |||||
| HRL-1500-1 | 1500 | 225.00 | |||||
| HRL-2000-1 | 2000 | 4" (FLG) | 300.00 | ||||
| HRL-2500-1 | 2500 | 390.00 | |||||
| HRL-3000-1 | 3000 | 450.00 | |||||
| HRL-4000-1 | 4000 | 6" (FLG) | 600.00 | ||||
| HRL-5000-1 | 5000 | 750.00 | |||||
Sizing based on the Compressed Air and Gas Institute CAGI ADF 200 Standard for Compressed Air of 100 PSIG inlet pressure, 100°F inlet temperature and -40°F pressure dew point providing ISO Quality to standard 8573-1 rating 1-2-1 for Compressed Air Quality.
| Dimensions: | ||||
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| Weight (lbs) |
Height (in) |
Width (in) |
Depth (in) |
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| HRL-0015-1 | 135 | 48 | 22 | 14 |
| HRL-0025-1 | 155 | 60 | ||
| HRL-0040-1 | 210 | 52 | 40 | 18 |
| HRL-0050-1 | 220 | 60 | ||
| HRL-0075-1 | 335 | 86 | 28 | 24 |
| HRL-0100-1 | 425 | 79 | 27 | 30 |
| HRL-0130-1 | 465 | |||
| HRL-0200-1 | 685 | 82 | 31 | 32 |
| HRL-0250-1 | 755 | 90 | 30 | |
| HRL-0300-1 | 800 | 31 | ||
| HRL-0400-1 | 1000 | 93 | 32 | 38 |
| HRL-0550-1 | 1535 | 36 | ||
| HRL-0650-1 | 1360 | |||
| HRL-0800-1 | 1645 | 38 | 38 | |
| HRL-1000-1 | 2365 | 46 | 56 | |
| HRL-1250-1 | 3530 | 100 | 84 | 64 |
| HRL-1500-1 | 2925 | 99 | 90 | |
| HRL-2000-1 | 5315 | 123 | 96 | 84 |
| HRL-2500-1 | 6205 | 126 | ||
| HRL-3000-1 | 6575 | |||
| HRL-4000-1 | 11055 | 112 | 108 | 107 |
| HRL-5000-1 | 11740 | 117 | 129 | 128 |
| Multiplier Table (For INLET Pressures other than 100 PSIG): | ||||||||||||||
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Maximum Inlet Flow = INLET Flow (above) x INLET Flow Factor (A) @ Actual Pressure (below) |
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| Actual Pressure (PSIG) | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | 175* | 200* | 225* | 250* |
| INLET Flow Factor (A) | 0.65 | 0.74 | 0.83 | 0.91 | 1.00 | 1.05 | 1.10 | 1.16 | 1.20 | 1.28 | 1.34 | 1.43 | 1.51 | 1.59 |
*These pressures exceed the HRL Standard input.
Please Contact Altec AIR for assistance.
HRL Series Drying Process
Compressed air, saturated with water vapor, flows upward through the Online (Drying) Tower. The water molecules adhere to the porous surface of the Desiccant, where the residual water content of the compressed air is lowered to a Pressure Dew Point (PDP) of -40°F or lower. Concurrently, some of this dry air (15%) is directed downward through the depressurized Offline Tower in a process referred to as Regeneration. This dry air sweep desorbs water molecules from the surface of the Desiccant and is exhausted to atmosphere, preparing that Tower for its next Online cycle. This process is known as Pressure Swing Adsorption (PSA) and is typically completed in a fixed 10-minute NEMA cycle, with the Towers alternating between Drying & Regenerating, typically every 5 minutes.
This tool will help you size the perfect HRL Series Desiccant Air Dryer for your Compressor Output and Environmental Conditions. Simply enter the data & conditions and you'll be presented with the Part Number for the HRL Series Air Dryer that will work optimally for those conditions. We will also provide Part Numbers for the Filter Kits that were created to match that HRL Series Air Dryer perfectly.
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Need A Custom Sized Air Dryer?
Contact Altec AIR for assistance selecting the right dryer for your application.
All you need is the required Inlet or Outlet Flow Rate, Operating Pressure, and the required Dew Point.