HHP Series High Pressure Heatless Regenerative Desiccant Air Dryers
25 to 1800 SCFM
Altec AIR’s HHP Series High Pressure Heatless Desiccant Air Dryers are specially designed for higher pressure applications. They are available in three specific designs rated for maximum working pressures of 250, 500, and 1000 PSIG.
- ISO 8573.1 Class 2 -40°F/C Standard Outlet Dewpoint
- Factory installed Filters w/ Differential Pressure Gauges and Pre-Filter Timer Drain
- Separate Re-Pressurization Circuit (HHP-0100 & Larger)
- Feature Rich ETL Listed Pro-Logic Controller w/ NEMA 4 Enclosure
- Regulated Control Air & Adjustable Purge
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| Optional Features: | |
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| General Specifications & Dimensions: | |||||||
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| INLET Flow: (SCFM @ 100 PSIG) |
Maximum Allowable Working Pressure (MAWP) (PSIG) |
Inlet / Outlet Ports (NPT) |
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| HHP-0250-0025-1 | 25 | 250 | 1/2" | ||||
| HHP-0250-0055-1 | 55 | ||||||
| HHP-0250-0140-1 | 140 | 1" | |||||
| HHP-0250-0250-1 | 250 | ||||||
| HHP-0250-0390-1 | 390 | 1-1/2" | |||||
| HHP-0250-0570-1 | 570 | ||||||
| HHP-0250-1000-1 | 1000 | 2" | |||||
| HHP-0500-0050-1 | 50 | 500 | 1/2" | ||||
| HHP-0500-0095-1 | 95 | ||||||
| HHP-0500-0200-1 | 200 | 1" | |||||
| HHP-0500-0350-1 | 350 | ||||||
| HHP-0500-0550-1 | 550 | 1-1/2" | |||||
| HHP-0500-0800-1 | 800 | ||||||
| HHP-0500-1400-1 | 1400 | 2" | |||||
| HHP-1000-0075-1 | 75 | 1000 | 1/2" | ||||
| HHP-1000-0130-1 | 130 | ||||||
| HHP-1000-0250-1 | 250 | 1" | |||||
| HHP-1000-0400-1 | 400 | ||||||
| HHP-1000-0750-1 | 750 | 1-1/2" | |||||
| HHP-1000-1000-1 | 1000 | ||||||
| HHP-1000-1800-1 | 1800 | 2" | |||||
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/C pressure dew point providing ISO Quality to standard 8573-1 rating 1-2-1 for Compressed Air Quality.
HHP 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 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 HHP 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 HHP 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 HHP 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.