
Model 1-8 with optional closed loop loader
APD Series: 2-Bed Portable Desiccant Dryers
Industry standard desiccant dryer, hopper and optional loading systems provide easy, reliable and safe material handling by eliminating press/extruder mounted drying hoppers for fast material changes.
System Features
- Space-saving, compact design
- Stainless steel, insulated hoppers
- ADC (Advanced Dryer Control) Control is standard and includes:
- -49 F dewpoint monitor
- 7 day timer
- Diagnostic functions
- Dewpoint, heater and temperature alarms
- Closed loop loading (optional) conveys dried material with dry air
- Available power: 208, 230, 400, 480, 600 VAC; 50/60 Hz
Energy efficiency:
- Most energy efficient dryer in the market (when compared to compressed air, rotary
wheel, vacuum and other dual bed dryers) - Temperature based regeneration; adapts to ambient and material conditions
- Single blower design will save up to 50% in energy costs
Reliable 2-bed operation offers:
- Dew points as low as -49ºF
- No moving parts
Standard benefits:
- Stainless steel hoppers have laser-cut access doors which eliminate troublesome gaskets
- Full-flo electric valve for bed switchover eliminates compressed air
- Compact design saves valuable floor space
- Convenient handle allows for easy mobility
Dri-Air Model | Process Rate | Hopper Capacity | Dimensions | |||
(lbs/hr) | (kg/hr) | (lbs) | (kg) | [l/w/h] inch | [l/w/h] cm | |
APD-1 | 7.5 | 5 | 30 | 14 | 25/39/57 | 64/99/145 |
APD-2 | 15 | 7 | 60 | 27 | 25/39/62 | 64/99/169 |
APD-3 | 25 | 12 | 100 | 45 | 25/39/60 | 64/99/152 |
APD-4 | 35 | 16 | 150 | 68 | 25/39/73 | 64/99/185 |
APD-5 | 40 | 20 | 150 | 68 | 30/52/75 | 76/152/191 |
APD-6 | 50 | 25 | 200 | 91 | 30/52/69 | 76/152/175 |
APD-7 | 75 | 35 | 300 | 136 | 30/52/84 | 76/152/213 |
APD-8 | 90 | 45 | 300 | 136 | 30/52/84 | 76/152/213 |
APD-9 | 110 | 45 | 400 | 181 | 50/42/92 | 127/107/234 |
APD-10 | 150 | 68 | 600 | 272 | 50/42/112 | 127/107/284 |
APD-11 | 200 | 91 | 600 | 272 | 50/42/112 | 127/107/284 |

Model PD-9 through PD-13
HPD Series: 4-Bed Portable Desiccant Dryers
Patented, high performance dryer, drying hopper and optional loading systems. DRI-AIR’s PD Series eliminates press/extruder mounted drying hoppers for fast, safe material changes.
System Features:
- Space-saving, compact design
- Stainless steel, insulated hoppers
- Smarttouch Control features:
- Industry 4.0 ready
- Ethernet or WIFI communication options
- OPC/UA open platform
- -49 F Dewpoint Monitor
- 7 day timer
- Buildable resin library
- Prevent over drying with optional temperature set back
- Closed loop loading (optional) conveys dried material with dry air
- Available power: 208, 230, 400, 480, 600 VAC; 50/60 Hz
Energy efficiency:
- Most energy efficient dryer in the market (when compared to compressed air, rotary wheel, vacuum and other dual bed dryers)
- Temperature based regeneration; adapts to ambient and material conditions
- Single blower design will save up to 50% in energy costs
- Temperature setback (optional) reduces drying temperature when material is dry

New Smarttouch Control Industry 4.0 ready!
Exclusive high performance 4-bed operation offers:
- Faster drying of materials
- Dew points as low as -130ºF
- No moving parts
Applications:
- Medical molding
- Optical grade molding; lens & CD/DVD
- Tough to dry materials
Conditions:
- Relative humidity over 80%
- Non-air conditioned facilities
Dri-Air Model | Process Rate | Hopper Capacity | Dimensions | |||
(lbs/hr) | (kg/hr) | (lbs) | (kg) | [l/w/h] inch | [l/w/h] cm | |
HPD-1 | 10 | 6 | 30 | 14 | 25/39/57 | 64/99/145 |
HPD-2 | 20 | 10 | 60 | 27 | 25/39/62 | 64/99/169 |
HPD-3 | 30 | 14 | 100 | 45 | 25/39/60 | 64/99/152 |
HPD-4 | 40 | 18 | 150 | 68 | 25/39/73 | 64/99/185 |
HPD-5 | 50 | 25 | 150 | 68 | 30/52/75 | 76/152/191 |
HPD-6 | 60 | 27 | 200 | 91 | 30/52/69 | 76/152/175 |
HPD-7 | 80 | 36 | 300 | 136 | 30/52/84 | 76/152/213 |
HPD-8 | 100 | 45 | 300 | 136 | 30/52/84 | 76/152/213 |
HPD-9 | 125 | 50 | 400 | 181 | 50/42/92 | 127/107/234 |
HPD-10 | 160 | 73 | 600 | 272 | 50/42/112 | 127/107/284 |
HPD-11 | 220 | 100 | 600 | 272 | 50/42/112 | 127/107/284 |
HPD-13 | 300 | 150 | 1000 | 453 | 66/42/116 | 167/107/295 |