HR Series Regenerative Desiccant Air Dryers

For Ultra-Dry Air from 3.0 to 50 SCFM

 

HR Series Compressed Air Dryer


Using Pressure Swing Adsorption (PSA) technology, the PUREGAS regenerative air dryers are designed to maximize the efficiency of the drying process. Ultra-Dry compressed air dew points of -40°F to better than -100°F can be achieved.

Product Features

  • Very dry outlet air to better than -100°F dew point
  • Flow capacities of 3 to 50 SCFM
  • 8 model sizes to match application requirements
  • Max pressure 150 PSIG
  • Compact and lightweight design requires less space
  • Solid State timer with memory for energy savings
  • Standard NEMA 4X Electrical Rating
  • Fully repressurizing design for steady outlet pressure
  • Fixed, self cleaning orifices for accurate purge control
  • Standard non-plugging, non-corroding purge mufflers

Typical Applications

  • Ozone Generators
  • Environmental Chambers
  • Dry Glove Boxes
  • Pneumatic Automation Systems
  • Dental Air Compressors
  • Medical Air Compressors
  • CEMS Systems
  • Laboratory Analyzers
  • Dry Sprinkler Systems
  • Outdoor HVAC Controls
  • Dry Nitrogen Replacement
  • Electronic Chip Testing
  • Air Bearings
  • Vortex Tubes
  • Gas Chromatographs
  • Robotic Machinery
  • Car Wash Controls
  • Air Turbines
  • Air Operated Pumps

HR1 HR2 HR3 HR4 HR5 HR6 HR6.5 HR7
Flows (SCFM) at 100 PSIG
Inlet Flow 3.0 6.0 9.0 12.0 16.0 25.0 35.0 50.0
Purge Flow 0.8 1.6 2.4 3.2 3.4 5.4 7.8 10.8
Outlet Flow 2.2 4.4 6.6 8.8 12.6 19.6 27.2 39.2
*Flows (SCFM) at 150 PSIG
Inlet Flow 4.2 8.4 12.9 17.2 22.5 35.9 50.3 71.9
Purge Flow 0.8 1.5 2.4 3.3 3.4 5.5 8.0 11.1
Outlet Flow 3.4 6.9 10.5 13.9 19.1 30.4 42.3 60.8
*Flows (SCFM) at 50 PSIG
Inlet Flow 1.7 3.4 5.1 6.8 9.0 14.1 19.6 28.2
Purge Flow 0.7 1.4 2.1 2.8 3.0 4.8 7.7 9.7
Outlet Flow 1.0 2.0 3.0 4.0 6.0 9.3 11.9 18.5
*with orifice change
Additional Specifications
Inlet / Outlet Ports 3/8" 1/2"
Power Requirements 115 VAC, Single Phase, 50/60 Hz or 230 VAC, Single Phase, 50/60 Hz
Maximum Temperature 120°F ambient
Maximum Pressure 150 PSIG
Outlet Dew Point -40°F pressure dew point (PDP) with 100°F saturated inlet
Weight 8 lbs 9 lbs 10 lbs 11 lbs 29 lbs 34 lbs 59 lbs 65 lbs
Dimensions
  H W D P A B
HR1 13.6" 7.4" 5.2" 9.3" 5.8" 2.8"
HR2 18.2" 7.4" 5.2" 13" 5.8" 2.8"
HR3 17.3" 7.4" 5.2" 12.1" 5.8" 2.8"
HR4 21.1" 7.4" 5.2" 14.9" 5.8" 2.8"
HR5 33" 9.5" 6.5" 20.7" 7" 23.6"
HR6 41.9" 9.5" 6.5" 29.6" 7" 32.4"
HR6.5 39.3" 10" 7" 26.5" 9" 30.1"
HR7 46.3" 10" 7" 33.5" 9" 37.1"

 

Note: All HR5-7 dryers are shown with bracket top and bottom.
HR1-4 has single 4-hole bracket.

HR Series Dimensions

Notes:

RECOMMENDED FILTRATION -

     Inlet: 5.0 Micron Particle Filter and 0.01 Micron Coalescing Filter w/ auto drains


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Documentation

HR Series Specification Sheet

HR Series Manual




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