FF-Dry Heatless Adsorption Dryers

FF DRY adsorption dryers are designed for continuous separation of water vapour from the compressed air thus reducing pressure dew point.

Technical Data:

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Description

FF-DRY adsorption dryers are designed for continuous separation of water vapour from the compressed air thus reducing pressure dew point.

FF-DRY series dryer consists of two columns, filled with desiccant beds, controller with LCD display, valves, manometers, support construction and suitable filter housings with the required filter element. Adsorption takes place under pressure in the first column while the second column regenerates with a portion of already dried compressed air at ambient pressure. When the first column is saturated to a certain level column switch-over is carried out and the process of adsorption continues in the second column without any drop of pressure at the outlet of the dryer. Regeneration of saturated desiccant is possible because a small portion of already dry compressed air is decompressed and when expanded it becomes extremely dry.

 

Characteristics

operating pressure  4 to 16 bar
 operating temp. range       1,5 to 60 °C
 pressure dew points  -40 °C ( -25 °C / -70 °C)
 flow rate  1200 to 6500 Nm³/h
 standard colour  RAL 5012
 average compressed air consumption   15-20%

Technical Data

Model Connection (In/Out) Volume Flow Nm³/h
DN Inlet Outlet
FF-DRY 1200 DN50 1200 936
FF-DRY 1500  DN65 1500 1170
FF-DRY 2000 DN65 2000 1560
FF-DRY 2500 DN80 2500 1950
FF-DRY 3000 DN80 3000 2340
FF-DRY 3750 DN100 3750 2925
FF-DRY 5000 DN100 5000 3900
FF-DRY 6500 DN125 6500 5070

Dimensions & Mass

Model

Dimensions Mass
A B C KG
FF-DRY 1200 1400 600 2050 650
FF-DRY 1500  1500 650 2100 850
FF-DRY 2000 1600 750 2150 950
FF-DRY 2500 1750 800 2250 1100
FF-DRY 3000 1900 850 2250 1500
FF-DRY 3750 2100 950 2350 2000
FF-DRY 5000 2250 1050 2650 2450
FF-DRY 6500 2450 1100 2850 3000

Operating Pressure

Operating pressure [bar] 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Operating pressure [psi] 29 44 58 72 87 100 115 130 145 160 174 189 203 218 232
Correction factor 0.38 0.5 0.63 0.75 0.88 1 1.13 1.25 1.38 1.5 1.63 1.75 1.88 2 2.13

Operating Temperature

Inlet temperature  [°C] 25 30 35 40 45 50 55 60
Inlet temperature  [F] 77 86 95 104 113 122 131 140
Correction factor 1 1 1 0.97 0.87 0.8 0.64 0.51

Dew Point

Inlet temperature  [°C] —25 —40 —70
Inlet temperature  [F] -13 -40 -94
Correction factor 1.1 1 0.7