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Desiccent dryers DDA

Adsorptionstrockner DDA_front

Desiccent dryers DDA

 

Energy saving

The standard 10-minutes cycle is designed for full load operating conditions and the standard purge rate of 7-15% is normally “consumed” regardless of whether the dryer is operating on full or partial load. Considerable energy savings can be obtained by reducing this purge loss in proportion to the real working conditions. A probe, located on the dryer outlet, checks the pressure dew point and keeps the drying column working until the outlet compressed air reaches the chosen pressure dew point. The working cycles are now automatically modified and the saving is directly proportional to the load reduction.

Controls and instrumentation

Electronic controller with microprocessor to set time and regeneration cycles (Energy Saving, optional)
Display showing dryer operating conditions
Working pressure control gauge (optional)

Advantages for our customers:

Reduced size and weight, ease of assembly thanks to the aluminum design that guarantees excellent resistance to corrosion

Upon request, supplied with coalescing filter H type (0,01μ - 0,01 mg/m3) on the inlet and filter M type (0,1μ - 0,1 mg/ m3) on the outlet. Both filters are fitted with a differential gauge

Fully CE certified

Slow re-pressurization prevents bed lifting, abrasion and extends desiccant life

Easy mounting of both pre- and after filters

Pneumatic valve exclusive system; easy to maintain and purposely designed for heavy duty conditions

Microprocessor control panel with regulation control for the operation cycle, to adapt the working conditions (dew point) to the end user’s requirements

Three working systems

Standard
Energy Saving (optional)
Combined (directly connected to the compressor)

Correction factor for operating pressure changes
Inlet air pressure, bar 4 5 6 7 8 9 10
Factor 0,63 0,75 0,88 1,00 1,14 1,25 1,39
Correction factor for inlet air temperature changes
Air temperature, °C 25 30 35 40 45 50
Factor 1,00 1,00 1,00 0,97 0,88 0,73

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 (ü)
o dew point: Class 2 (ISO 8573-1)

Max working condition

o ambient temperature: + 45°C
o inlet air temperature: + 50°C

For 16 bar pressure please contact our technical department.

Desiccant dryers DDA – 40 ° C

Model Flow-Rate Connection Dimensions Weight Power-Supply
  m3/h I/min scfm BSP-F W*L*H, mm Kg Ibs V/ph/F
DDA 40 40 667 24 3/4 " 190*470*630 37 82 230/1/50
DDA 80 80 1333 47 3/4 " 190*470*1030 59 127 230/1/50
DDA 120 120 2000 71 3/4 " 190*470*1430 80 176 230/1/50
DDA 160 160 2667 94 3/4 " 190*470*1730 94 207 230/1/50
DDA 240 240 4000 142 1 " 330*500*1450 160 352 230/1/50
DDA 320 320 5334 188 1 " 330*500*1750 188 414 230/1/50
DDA 500 500 8333 294 1. 1/2 " 1130*750*1540 425 937 230/1/50
DDA 600 600 10000 353 1. 1/2 " 1130*750*1540 455 1003 230/1/50
DDA 800 800 13333 471 2 " 1130*750*1840 570 1257 230/1/50
DDA 1000 1000 16667 588 2 " 1130*750*2040 660 1455 230/1/50
DDA 1200 1200 20000 706 2. 1/2 " 1310*840*17600 770 1698 230/1/50
DDA 1600 1600 26667 942 2. 1/2 " 1310*840*2060 950 2094 230/1/50
DDA 2000 2000 33333 1177 3 " 1510*940*2010 2000 4409 230/1/50

Desiccant dryers DDA – 70 ° C

Model Flow-Rate Connection Dimensions Weight Power-Supply
  m3/h I/min scfm BSP-F W*L*H, mm Kg Ibs V/ph/F
DDA 40 30 500 18 3/4 " 190*470*630 37 82 230/1/50
DDA 80 60 1000 35 3/4 " 190*470*1030 59 127 230/1/50
DDA 120 90 1500 53 3/4 " 190*470*1430 80 176 230/1/50
DDA 120 120 2000 71 3/4 " 190*470*1730 94 207 230/1/50
DDA 240 180 3000 106 1 " 330*500*1450 160 352 230/1/50
DDA 320 240 4000 141 1 " 330*500*1750 188 414 230/1/50
DDA 500 375 6250 221 1. 1/2 " 1130*750*1540 425 937 230/1/50
DDA 600 450 7500 265 1. 1/2 " 1130*750*1540 455 1003 230/1/50
DDA 800 600 10000 353 2 " 1130*750*1840 570 1257 230/1/50
DDA 1000 750 12500 106 2 " 1130*750*2040 660 1455 230/1/50
DDA 1200 900 15000 530 2. 1/2 " 1310*840*1760 770 1698 230/1/50
DDA 1600 1200 20000 706 2. 1/2 " 1310*840*2060 950 2094 230/1/50
DDA 2000 1500 25000 883 3 " 1510*940*2010 2000 4409 230/1/50

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

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