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Refrigerated air dryer DRA

Kältetrockner DRA

Refrigerated air dryer DRA

High efficient

Our DRA series are high efficiency refrigerated dryers that save energy and ensure high reliability. The new and advanced electronic board controls the entire functions of the dryer such as hard alarms (high and low temperature) and many more.

Advantages for our customers:

Reduced energy consumption thanks to a careful selection of components and management by electronic board

Low pressure drop by using a heat exchanger made of aluminium with a mixing chamber that allows the air mixing and thus increasing the exchanger yield while reducing the pressure drop at a minimum

Dew point maintained stable at +3°C under any conditions by using an electronic board and heat exchanger with high efficiency

DRA dryers are equipped as standard with an electronic drain

DRA dryers have as standard a thermal protection switch

Full range of DRA dryers allows to choose the optimum dryer for small and big installations

Correction factor for operating pressure changes
Inlet air pressure, bar 4 5 6 7 8 10 12 14
Factor 0,77 0,86 0,93 1 1,05 1,14 1,21 1,27
Correction factor for ambient temperature changes
Ambient temperature, °C 25 30 35 40 45 50
Factor 1 0,96 0,9 0,82 0,72 0,6
Correction factor for inlet air temperature changes*
Air temperature, °C 25 30 35 40 45 50 55 60 65 70
Factor 1,2 1,12 1 0,83 0,69 0,59 0,5 0,44 0,39 0,37

*at inlet air

Correction factor for dew-point changes
Dew-point, °C 3 5 7 10
Factor 1 1,09 1,19 1,37

Warranty: 2 years or 5 years with 
our extended warranty program

Realistic and plannable service costs and no unexpected surprises by unplanned repairs

Standard reference conditions ISO 7183

o ambient temperature: +25 °C
o inlet air pressure: 7 bar (g)
o dew-point: Class 4 (ISO 8573-1), e.g. particles 1-5μm ≤ 10.000, dew-point ≤ +3°C, max. oil content ≤ 5 mg/m³

Max working condition

o ambient temperature: +50 ° C
o inlet air temperature: +70 ° C

Optional: No loss drain

Refrigerated air dryer DRA

Model Refrigerant Flow-Rate Connections Dimensions Weight Power-Supply
Type m3/h l/min scfm BSP-F W*L*H, mm kg lbs V/ph/F
DRA 24 R134a 24 400 14 3/4 " 305*373*440 23 51 230/1/50
DRA 36 R134a 36 600 21 3/4 " 305*373*440 23 51 230/1/50
DRA 54 R134a 54 900 32 3/4 " 305*373*440 24 53 230/1/50
DRA 78 R134a 78 1300 46 3/4 " 345*409*480 25 55 230/1/50
DRA 106 R134a 106 1767 62 3/4 " 345*409*480 26 57 230/1/50
DRA 144 R134a 144 2400 85 1 " 396*462*536 27 59 230/1/50
DRA 180 R134a 180 3000 106 1 " 396*462*536 30 66 230/1/50
DRA 216 R134a 216 3600 127 1 " 396*462*536 35 77 230/1/50
DRA 300 R407C 300 5000 176 1. 1/2 " 517*606*667 40 88 230/1/50
DRA 365 R407C 365 6083 215 1. 1/2 " 405*685*1045 85 187 230/1/50
DRA 480 R407C 480 8000 282 1. 1/2 " 405*685*1045 90 198 230/1/50
DRA 660 R407C 660 11000 389 2 " 642*708*1456 120 265 230/1/50
DRA 780S R407C 780 13000 459 2 " 642*708*1456 125 276 230/1/50
DRA 780 R407C 780 13000 459 2 " 642*708*1456 140 309 400/3/50
DRA 1000 R407C 1000 16667 589 2. 1/2" 642*708*1456 150 331 400/3/50
DRA 1300 R407C 1300 21667 765 2. 1/2" 642*708*1456 155 342 400/3/50
DRA 1800 R407C 1800 30000 1060 3 " 657*1156*1650 250 551 400/3/50
DRA 2400 R407C 2400 40000 1413 3 " 657*1156*1650 270 595 400/3/50
DRA 2700 R407C 2700 45000 1589 DN100 657*1156*1650 300 661 400/3/50
DRA 3600 R407C 3600 60000 2118 DN125 1056*1406*1765 400 882 400/3/50
DRA 4800 R407C 4800 80000 2825 DN125 1056*1406*1765 430 948 400/3/50
DRA 6000 R407C 6000 100000 3531 DN150 1056*1406*1765 460 1014 400/3/50
DRA 7200 R407C 7200 120000 4237 DN150 2113*1406*1765 580 1279 400/3/50
DRA 8400 R407C 8400 140000 4943 DN200 2113*1406*1765 620 1367 400/3/50
DRA 9600 R407C 9600 160000 5649 DN200 2113*1406*1765 700 1543 400/3/50
DRA 10800 R407C 10800 180000 6355 DN250 2113*1406*1765 740 1631 400/3/50
DRA 12000 R407C 12000 200000 7062 DN250 2113*1406*1765 780 1720 400/3/50

Performance data according to ISO 1217, Annexe C
Reserve for technical modifications

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