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Vortex Tubes

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Specifications

3200 Series Vortex Tube Specifications
3200 series Vortex Tubes optimize temperature drop and airflow to produce maximum cooling power or Btu/hr. (Kcal/hr.). Specify 3200 series Vortex Tubes for most general cooling applications.
Model # SCFM* SLPM* Btu/hr.** Kcal/hr.** Size dBA***
3202 2 57 135 34 Small 68
3204 4 113 275 69 Small 70
3208 8 227 550 139 Small 76
3210 10 283 650 164 Medium 80
3215 15 425 1,000 252 Medium 81
3225 25 708 1,700 428 Medium 82
3230 30 850 2,000 504 Medium 84
3240 40 1,133 2,800 706 Medium 88
3250 50 1,416 3,400 857 Large 94
3275 75 2,124 5,100 1,285 Large 96
3298 100 2,832 6,800 1,714 Large 96
3299 150 4,248 10,200 2,570 Large 97
* SCFM (SLPM) at 100 PSIG (6.9 BAR) Inlet Pressure
** Btu/hr. (Kcal/hr.) Cooling Capacity at 100 PSIG (6.9 BAR)
*** Noise levels taken with hot and cold mufflers installed.

3400 Series Vortex Tube Specifications
3400 series Vortex Tubes provide lowest cold air temperatures, but at low cold airflow (when less than a 50% cold fraction is used). Specify 3400 series Vortex Tubes only where temperatures below 0° (-18°C) are desired.
Model # SCFM* SLPM* Btu/hr.** Kcal/hr.** Size dBA***
3402 2 57 -------- -------- Small 67
3404 4 113 -------- -------- Small 69
3408 8 227 -------- -------- Small 75
3410 10 283 -------- -------- Medium 78
3415 15 425 -------- -------- Medium 80
3425 25 708 -------- -------- Medium 82
3430 30 850 -------- -------- Medium 84
3440 40 1,133 -------- -------- Medium 87
3450 50 1,416 -------- -------- Large 93
3475 75 2,124 -------- -------- Large 96
3498 100 2,832 -------- -------- Large 96
3499 150 4,248 -------- -------- Large 96
* SCFM (SLPM) at 100 PSIG (6.9 BAR) Inlet Pressure
** Not Applicable. 3400 series Vortex Tubes are not normally used in air conditioning applications.
***Noise levels taken with hot and cold mufflers installed. 

Performance Data

The Vortex Tube Performance Charts below give approximate temperature drops (and rises) from inlet air temperature produced by a vortex tube set at each cold fraction. Assuming no fluctuation of inlet temperature or pressure, a vortex tube will reliably maintain temperature within ±1°F.

Performance Data
Pressure
Supply
Cold Fraction %
PSIG 20 30 40 50 60 70 80
20 * 62 60 56 51 44 36 28
** 15 25 36 50 64 83 107
40 * 88 85 80 73 63 52 38
** 21 35 52 71 92 117 147
60 * 104 100 93 84 73 60 46
** 24 40 59 80 104 132 166
80 * 115 110 102 92 80 66 50
** 25 43 63 86 113 143 180
100 * 123 118 110 100 86 71 54
** 26 45 67 90 119 151 191
120 * 129 124 116 104 91 74 55
** 26 46 69 94 123 156 195
                      * Temperature drop of cold air, °F
                      ** Temperature rise of hot air, °F

Performance Data (METRIC)
Pressure
Supply
Cold Fraction %
BAR 20 30 40 50 60 70 80
1.4 * 34.4 33.3 31.1 28.3 24.4 20 15.6
** 8.3 13.9 20 28.3 35.6 46.1 59.4
2 * 40.9 39.6 37.1 33.8 29.2 24 18.1
** 9.8 16.4 24 33.3 42.6 54.6 69.5
3 * 50.4 48.7 45.7 41.6 36 29.7 21.9
** 12 19.9 29.6 40.3 52.3 66.5 83.5
4 * 56.9 54.7 50.9 46.1 40 32.9 25.1
** 13.2 21.9 32.4 43.9 57.1 72.5 91.2
5 * 61.6 59 54.8 49.4 43 35.4 26.9
** 13.7 23.3 34.2 46.5 60.9 77.2 97.1
6 * 65.4 62.7 58.2 52.7 45.6 37.6 28.6
** 14.1 24.3 35.8 48.6 63.9 81 102.1
7 * 68.6 65.8 61.4 55.7 48 39.6 30
** 14.4 25.1 37.3 50.2 66.3 84.2 106.3
8 * 71.1 68.2 63.8 57.3 50 40.8 30.4
** 14.4 25.4 38.1 51.8 67.9 86.1 107.9
                   * Temperature drop of cold air, °C
                   ** Temperature rise of hot air, °C

Other Factors

Back Pressure:
The performance of a vortex tube deteriorates with back pressure on the cold air exhaust. Low back pressure, up to 2 PSIG (.1 BAR), will not change performance. 5 PSIG (.3 BAR) will change performance by approximately 5°F (2.8°C).

Filtration:
The use of clean air is essential, and filtration of 25 microns or less is recommended. EXAIR filters contain a five micron element and are properly sized for flow.

Inlet Air Temperature:
A vortex tube provides a temperature drop from supply air temperature (see Performance Charts above). Elevated inlet temperatures will produce a corresponding rise in cold air temperatures.

Noise Muffling:
EXAIR offers mufflers for both the hot and cold air discharge. Normally, muffling is not required if the cold air is ducted.

Regulation:
For best performance, use line pressures of 80 to 110 PSIG (5.5 to 7.6 BAR). Maximum pressure rating is 250 PSIG (17.2 BAR), minimum 20 PSIG (1.4 BAR).


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