Description
Altec AIR HHP-0250-0390-1 HHP Series High Pressure Heatless Desiccant Air Dryer
Altec AIR HHP Series high pressure heatless desiccant air dryers are built for compressed air systems that operate at higher pressures while still requiring dry, ISO-quality air. The HHP series uses a heatless adsorption process to remove moisture and deliver a standard -40°F/C pressure dew point—helping reduce corrosion, freezing, and moisture-related contamination in downstream tools and equipment.
The HHP-0250-0390-1 is rated for 390 SCFM and is designed for high-pressure service with a maximum allowable working pressure (MAWP) of 250 PSIG. It includes factory-installed filtration with differential pressure gauges and a pre-filter timer drain, along with a feature-rich Pro-Logic controller in a NEMA 4 enclosure. Includes a separate re-pressurization circuit (standard on HHP-0100 and larger sizes) to support stable tower changeover and system performance. EcoTronic dew point demand control is included to reduce purge and energy use when the required dew point is achieved. A factory bypass package is included to help keep air online during dryer service.
Technical Details
- Dryer Type: High Pressure Heatless Desiccant Air Dryer (HHP Series)
- Inlet Flow (Sizing Basis): 390 SCFM (CAGI ADF 200 basis: 100 PSIG inlet, 100°F inlet temperature, -40°F/C PDP)
- Maximum Allowable Working Pressure (MAWP): 250 PSIG
- Standard Outlet Dew Point: -40°F/C (Pressure Dew Point)
- Maximum Operating Temperature: 120°F / 49°C
- Inlet/Outlet Connection: 1-1/2" NPT
- Power Requirements: 120 VAC / 1 Phase / 60 Hz
- Controls: Pro-Logic controller, ETL listed, NEMA 4 enclosure
- Filtration: Factory-installed filters with differential pressure gauges and pre-filter timer drain
- Regeneration/Control: Regulated control air with adjustable purge
- Included Options (per part number): 3-way bypass package, EcoTronic dew point demand control
Key Highlights & Benefits
- High-pressure ready: Designed for systems requiring higher operating pressures with MAWP up to 250 PSIG.
- Consistently dry air: Standard -40°F/C pressure dew point supports moisture-sensitive applications.
- Packaged filtration: Built-in filtration and monitoring help protect downstream equipment and support stable performance.
- Industrial controls: NEMA 4 controls and ETL listing support reliable operation in demanding environments.
- Configurable efficiency & uptime: EcoTronic control and bypass packages are available (or included) based on the exact model suffix.
