HBP Series

HBP Series Dual Tower Heat Regenerative Desiccant
Air Dryers

External Blower Purge
100 to 6000 SCFM

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Size Your HBP Series Air Dryer

Altec AIR’s HBP Series Heat Regenerative Desiccant Air Dryers also use heated air to regenerate the off-line tower. Additionally, a high-efficiency packaged blower assembly directs heated atmospheric air counter current through the desiccant bed, removing the water vapor collected from the previous drying cycle. Dew point spikes or heat bumps are mitigated by enabling the auxiliary cooling / stripping feature that uses a small percentage of dry process air (1.7%)

  • Industrial Duty Blower
  • ASME / CRN Approved Pressure Vessels
  • Factory installed Filters w/ Differential Pressure Gauges and Pre-Filter Timer Drain
  • Feature Rich ETL Listed Pro-Logic Controller w/ NEMA 4X Enclosure
  • Regulated Purge Flow for Optimum Setting, Regardless of Operating Pressure
  • ISO 8573.1 Class 2 -40°F/C Standard Outlet Dewpoint

Standard Features:
  • Power Requirements (model specific) -
    • 120 VAC, 1 Phase, 60 Hz
    • 230 VAC, 1 Phase, 60 Hz
    • 460 VAC, 3 Phase, 60 Hz
  • Maximum Pressure - 150 PSIG Standard
  • Maximum Operating Temperature - 120°F / 49°C
  • Tower Pressure Gauges & Dew Point Indicators
  • Welded Frame Base - Easy Move With Forklift
  • OSHA Approved Mufflers
  • Desiccant Fill & Drain Ports
  • ASME Safety Relief Valves
Optional Features:
  • Alternate Voltages
  • EcoTronic Dew Point Demand Control
  • Dual Filter & Bypass Packages
    • 3-Way Bypass Installed
    • 6-Way Bypass w/ Dual Select Pre-Filter
    • 9-Way Bypass w/ Dual Select Pre & After Filters
  • Environment Temperature Protection Kits
  • High Pressure (200 PSIG) Models
  • Upgraded Controller
  • Stainless Steel Control Tube & Fittings
  • Bolt-Down Construction
Call for all Available Options
General Specifications:
INLET Flow:
(SCFM @ 100 PSIG)		 Inlet / Outlet Ports
(NPT)		 Power
Requirement		 Heater
(KW)
HBP-0100-1 100 1" 120 VAC,
1 Ph, 60 Hz		 1.5
HBP-0130-1 130 2.2
HBP-0200-2 200 1-1/2" 230 VAC,
1 Ph, 60 Hz		 3.0
HBP-0250-4 250 460 VAC,
3 Ph, 60 Hz
HBP-0300-4 300 6.0
HBP-0400-4 400 2" 7.5
HBP-0550-4 550 12.0
HBP-0650-4 650
HBP-0800-4 800 15.0
HBP-1000-4 1000 3" (FLG) 18.0
HBP-1250-4 1250 25.0
HBP-1500-4 1500 4" (FLG)
HBP-2000-4 2000 38.0
HBP-2500-4 2500 50.0
HBP-3000-4 3000
HBP-4000-4* 4000 6" (FLG) 75.0
HBP-5000-4* 5000 90.0
HBP-6000-4* 6000 110.0

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:
Width
(in)		 Depth
(in)		 Height
(in)		 Weight
(lbs)
HBP-0100-1 27 37 80 650
HBP-0130-1 705
HBP-0200-2 32 40 91 950
HBP-0250-2 26 44 91 1,095
HBP-0300-4 1,240
HBP-0400-4 32 48 94 1,595
HBP-0550-4 44 55 96 1,880
HBP-0650-4 2,030
HBP-0800-4 59 98 2,595
HBP-1000-4 48 65 103 2,845
HBP-1250-4 90 74 100 4,885
HBP-1500-4 5,260
HBP-2000-4 96 84 121 7,065
HBP-2500-4 126 8,030
HBP-3000-4 90 94 112 8,630
HBP-4000-4* 120 123 113 13,985
HBP-5000-4* 163 129 117 16,055
HBP-6000-4* 172 135 116 18,380
HBP Series Dimensions

* Units 4000 SCFM and larger with factory packaged filters are provided on two bases designed to bolt together at installation.


Multiplier Table (Sizing Dryers for Variable Conditions):

Maximum Inlet Flow  =  INLET Flow (above)  x  INLET Pressure Correction Factor (A)  x  INLET Temp Correction Factor (B)
Actual Pressure (PSIG) 60 70 80 90 100 110 120 130 140 150
Correction Factor (A) 0.66 0.72 0.82 0.90 1.00 1.07 1.15 1.24 1.33 1.40
Inlet Temp (°F) 80 90 100 110 120
Correction Factor (B) 1.40 1.32 1.00 0.75 0.58

HBP Series Drying Process


HBP Drying Process Flow Diagram

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. A high efficiency packaged Blower then directs atmospheric air counter current through a low watt density heater and then down through the Offline Tower Desiccant bed. This heated purge air, exhausted to atmosphere, removes the water vapor that adhered to the Desiccant during the previous cycle. Dew Point spikes or heat bumps are mitigated by enabling the auxiliary cooling / stripping feature that uses a small percentage of dry process air (1.7%).

This tool will help you size the perfect HBP 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 HBP 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 HBP Series Air Dryer perfectly.

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All you need is the required Inlet or Outlet Flow Rate, Operating Pressure, and the required Dew Point.