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Deliquescent Dryers
- Energy Free Operation
- Environmentally Friendly
- Freedom Dryer Applications
- How Deliquescent Dryers Work
- Specifications
- Buy a Single Tower Freedom Dryer
Freedom Deliquescent Air Dryers are available from 2 to 16,000 SCFM. For units larger than 1,200 SCFM complete this short form for a quote. Freedom deliquescent compressed air dryers offer the following advantages…
- Van Air -- The originator of single tower drying
- 10-Year warranty
- Primer and enamel exterior finish
- Exclusive anti-corrosion interior coating
- No electricity required
- Wide range of applications
- Inexpensive
Simple energy-free and environmentally safe operation in addition to wide application versatility, make the freedom dryer a winning choice for maximizing air system efficiency and profits.
Efficient Energy Free Deliquescent Dryer Operation
No electricity is needed for deliquescent dryer operation, the power is in the desiccant. In addition to this energy savings, operating costs are always at a minimum because desiccant usage is automatically regulated by air flow through the deliquescent dryer. When air flow decreases, desiccant use is reduced.
A pressure drop of less than 1% of operating pressure saves you even more money and energy because there’s no need to boost pressure to compensate for pressure loss.
Van Air Freedom deliquescent dryers also have the lowest initial and operating cost of all air dryer types providing a fast return on your investment and long-term value for your money.
Environmentally Friendly
With the freedom dryer, you’re free from the concerns and regulations of refrigerant usage. Rather than relying on a cooling process, the Freedom deliquescent dryer uses deliquescent for moisture removal.
Specially formulated for the longest life our deliquescent is non-toxic, non-polluting and adds no harmful acidity to the drain solution. It poses no hazard to ground water, living organisms or sewage treatment systems.
Application Versatility
Install it indoors or out, even in dusty or dirty conditions. The Van Air Freedom dryer provides a self-adjusting dew point for year round dependability, providing protection against liquid in the summer and freeze-ups in the winter.
Applications
- Portable blasting and coatings
- Cement plants
- Sawmills
- Plant air
- Point-of-use applications
- Dust collectors
- Standard compressed air and high pressure applications
- Low pressure applications
- Natural gas
- Biogas
How it Works
The Freedom dryer automatically provides a dew point that is 20°F lower than the inlet temperature to the dryer. When the deliquescent dryer has 80°F inlet air in the summer, it provides a 60°F dew point. In the winter, when the air dryer has 30°F inlet air, it provides a 10°F dew point. As long as the air temperature downstream of the deliquescent dryer remains above the dew point provided, you’ll have no liquid or freeze-ups.
With its power and technology in the deliquescent, the Freedom dryer is the simplest in operation, with no moving parts to wear out or adjust.
Wet air enters the bottom of the dryer and flows upward through a bed of desiccant which adsorbs moisture as it slowly dissolves. Condensate drops the bottom to be drained. Dry air exits the top.
Simply add desiccant a few times each year. No skilled maintenance is needed and desiccant usage automatically adjusts in direct relation to the amount of air flow through the dryer.
Specifications
Freedom Dryer Flow Rates at Different Pressures
| Model | 5 PSIG | 10 PSIG | 15 PSIG | 25 PSIG | 50 PSIG | 75 PSIG | 100 PSIG | 125 PSIG | 150 PSIG | 175 PSIG | 200 PSIG | 250 PSIG |
| D-2 | 1.2 | 1.5 | 1.8 | 2.4 | 3.9 | 5.5 | 7 | 8.5 | 10.1 | 11.6 | 13.1 | 16.2 |
| D-4 | 1.7 | 2.2 | 2.6 | 3.5 | 5.6 | 7.8 | 10 | 12.2 | 14.4 | 16.5 | 19 | 23 |
| D-8 | 8.6 | 11 | 13 | 17 | 28 | 39 | 50 | 61 | 72 | 83 | 94 | 115 |
| D-12 | 17 | 22 | 26 | 35 | 56 | 78 | 100 | 122 | 144 | 165 | 187 | 231 |
| D-16 | 27 | 33 | 40 | 54 | 87 | 121 | 155 | 189 | 223 | 256 | 290 | 358 |
| D-20 | 43 | 54 | 65 | 87 | 141 | 196 | 250 | 304 | 359 | 413 | 468 | - |
| D-24 | 64 | 81 | 97 | 130 | 212 | 293 | 375 | 457 | 538 | 620 | 702 | - |
| D-30 | 107 | 135 | 162 | 216 | 353 | 489 | 625 | 761 | 897 | 1034 | 1170 | - |
| D-36 | 146 | 183 | 220 | 294 | 479 | 665 | 850 | 1035 | 1221 | 1406 | - | - |
| D-42 | 215 | 269 | 324 | 433 | 705 | 978 | 1250 | 1522 | 1795 | - | - | - |
| D-48 | 258 | 323 | 388 | 519 | 846 | 1173 | 1500 | 1827 | 2154 | - | - | - |
| D-54 | 344 | 431 | 518 | 692 | 1128 | 1564 | 2000 | 2436 | 2872 | - | - | - |
| D-60 | 429 | 538 | 647 | 865 | 1410 | 1955 | 2500 | 3045 | - | - | - | - |
| D-66 | 515 | 646 | 777 | 1038 | 1692 | 2346 | 3000 | 3654 | - | - | - | - |
| D-72 | 601 | 754 | 906 | 1211 | 1974 | 2737 | 3500 | 4263 | - | - | - | - |
| D-78 | 687 | 861 | 1036 | 1384 | 2256 | 3128 | 4000 | 4872 | - | - | - | - |
| D-84 | 773 | 969 | 1165 | 1558 | 2538 | 3519 | 4500 | 5481 | - | - | - | - |
| D-90 | 945 | 1184 | 1424 | 1904 | 3102 | 4301 | 5500 | 6699 | - | - | - | - |
| D-96 | 1031 | 1292 | 1554 | 2077 | 3384 | 4692 | 6000 | 7308 | - | - | - | - |
| D-102 | 1202 | 1507 | 1813 | 2423 | 3949 | 5474 | 7000 | 8526 | - | - | - | - |
| D-108 | 1288 | 1615 | 1942 | 2596 | 4231 | 5865 | 7500 | 9135 | - | - | - | - |
| D-114 | 1460 | 1830 | 2201 | 2942 | 4795 | 6647 | 8500 | 10353 | - | - | - | - |
| D-120 | 1632 | 2046 | 2460 | 3288 | 5359 | 7429 | 9500 | 11571 | - | - | - | - |
| D-126 | 1803 | 2261 | 2719 | 3634 | 5923 | 8211 | 10500 | 12789 | - | - | - | - |
| D-132 | 1975 | 2476 | 2978 | 3980 | 6487 | 8993 | 11500 | 14007 | - | - | - | - |
| D-138 | 2147 | 2692 | 3237 | 4327 | 7051 | 9776 | 12500 | 15224 | - | - | - | - |
| D-144 | 2319 | 2907 | 3496 | 4673 | 7615 | 10558 | 13500 | 16442 | - | - | - | - |
| D-156 | 2748 | 3446 | 4143 | 5538 | 9025 | 12513 | 16000 | 19487 | - | - | - | - |
Dimensions and Capacity
| Model | Flow (SCFM at 100 PSIG) | A | B | C | D | E | F | In/Out Conn. | Filter Hatch Opening | Vessel Weight (Empty) | Initial Fill (Dry-O-Lite) |
| D-2 | 7 | 3.5 | 12.5 | 11.8 | - | - | 1.2 | 1/2 NPT | Removable | 4 | 2 |
| D-4 | 10 | 4.5 | 28 | 7 | 22.5 | - | 5.1 | 3/4 NPT | 2 NPT | 30 | 6 |
| D-8 | 50 | 8.5 | 35 | 9.5 | 28 | - | 5.1 | 3/4 NPT | 2 NPT | 60 | 30 |
| D-12 | 100 | 13 | 51 | 14 | 38 | 8.5 | - | 2 NPT | 4 x 3 | 130 | 130 |
| D-16 | 155 | 16 | 55 | 15.5 | 42 | 13 | - | 2 NPT | 4 x 3 | 145 | 220 |
| D-20 | 250 | 20 | 56 | 16 | 43 | 16 | - | 2 NPT | 4 x 6 | 210 | 360 |
| D-24 | 375 | 24 | 59 | 17 | 44 | 16 | - | 2 NPT | 4 x 6 | 285 | 500 |
| D-30 | 625 | 30 | 64 | 22 | 45 | 24 | - | 3 NPT | 4 x 6 | 640 | 710 |
| D-36 | 850 | 37 | 70 | 25 | 49 | 24 | - | 3 FLG | 4 x 6 | 780 | 1130 |
| D-42 | 1250 | 43 | 86 | 16 | - | - | - | 4 FLG | 12 x 16 | 1275 | 1700 |
| D-48 | 1500 | 49 | 91 | 18.5 | - | - | - | 4 FLG | 12 x 16 | 2150 | 2300 |
| D-54 | 2000 | 55 | 94 | 18.5 | - | - | - | 4 FLG | 12 x 16 | 2640 | 2900 |
| D-60 | 2500 | 61 | 97 | 18.5 | - | - | - | 4 FLG | 12 x 16 | 2700 | 3600 |
| D-66 | 3000 | 67 | 100 | 18.5 | - | - | - | 6 FLG | 12 x 16 | 3200 | 4400 |
| D-72 | 3500 | 73 | 110 | 18.5 | - | - | - | 6 FLG | 12 x 16 | 4075 | 6300 |
| D-78 | 4000 | 79 | 115 | 21 | - | - | - | 6 FLG | 12 x 16 | 4775 | 7400 |
| D-84 | 4500 | 85 | 124 | 21 | - | - | - | 6 FLG | 12 x 16 | 5700 | 10,000 |
| D-90 | 5500 | 91 | 127 | 21 | - | - | - | 6 FLG | 12 x 16 | 7200 | 11,000 |
| D-96 | 6000 | 97 | 130 | 21 | - | - | - | 6 FLG | 12 x 16 | 7800 | 13,000 |
| D-102 | 7000 | 103 | 137 | 25 | - | - | - | 8 FLG | 12 x 16 | 9000 | 14,000 |
| D-108 | 7500 | 109 | 139 | 24 | - | - | - | 8 FLG | 12 x 16 | 10,300 | 16,000 |
| D-114 | 8500 | 115 | 142 | 24 | - | - | - | 8 FLG | 12 x 16 | 12,440 | 18,000 |
| D-120 | 9500 | 121 | 145 | 24 | - | - | - | 8 FLG | 12 x 16 | 12,900 | 20,000 |
| D-126 | 10,500 | 127 | 148 | 24 | - | - | - | 8 FLG | 12 x 16 | 15,800 | 22,000 |
| D-132 | 11,500 | 133 | 157 | 24 | - | - | - | 8 FLG | 12 x 16 | 16,700 | 24,000 |
| D-138 | 12,500 | 140 | 155 | 24 | - | - | - | 10 FLG | 12 x 16 | 17,800 | 27,000 |
| D-144 | 13,500 | 146 | 158 | 24 | - | - | - | 10 FLG | 12 x 16 | 18,900 | 29,000 |
| D-156 | 16,000 | 158 | 168 | 28 | - | - | - | 10 FLG | 12 x 16 | 21,000 | 34,000 |
Filter Recommendations
| Model | Part No. | Recommended Filters |
| D2 | 80-0104 | F200-15-1/4-A
F200-15-1/4-B |
| D4 | 80-1312 | F200-15-1/4-A
F200-15-1/4-B |
| D8 | 80-1313 | F200-55-1/4-A
F200-55-1/4-B |
| D12 | 80-1317 | F200-100-1-A
F200-100-1-B |
| D16 | 80-1318 | F200-100-1-A
F200-100-1-B |
| D20 | 80-1319 | F200-265-1-1/4-A
F200-265-1-1/4-B |
| D24 | 80-1320 | F200-400-2-A
F200-400-2-B |
| D30 | 80-1322 | F200-600-3-A
F200-600-3-B |
| D36 | 80-1323 | F200-800-3-A
F200-800-3-B |
| D42 | 80-0011 | F101-1500-A
F101-1500-B |
Buy a Deliquescent Freedom Dryer
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The Freedom dryer automatically provides a dew point that is 20°F lower than the inlet temperature to the dryer. When the deliquescent dryer has 80°F inlet air in the summer, it provides a 60°F dew point. In the winter, when the air dryer has 30°F inlet air, it provides a 10°F dew point. As long as the air temperature downstream of the deliquescent dryer remains above the dew point provided, you’ll have no liquid or freeze-ups.
