Catalogue 2010

Design data
for cold compressed air dryers.
The performance specifications of our cold dryers are based on an operating pressure of7
bar, anair inlet temperature of35°Cand an ambient temperature of25°C.
For other pressures or temperatures, please refer to the factors (f) that correspond to your
values in the tables below.
With other operating pressures p 1 ,multiply the flow volume by factor (f 1 ):
p 1 [bar] 3 4 5 6 7 8 9 10 11 12 14 16
(f 1 ) 0.75 0.85 0.90 0.95 1.00 1.04 1.07 1.10 1.12 1.14 1.18 1.20
With other compressed air inlet temperatures t 1 ,multiply the flow volume by factor (f 2 ):
t 1 [°C] 30 35 40 45 50
(f 2 ) 1.25 1.00 0.85 0.75 0.60
With other cooling medium temperatures t c ,multiply the flow volume by factor (f 3 ):
t c [°C] 25 30 35 40 45
(f 3 ) 1.00 0.96 0.92 0.88 0.80
For other pressure dew points t pd ,multiply the flow volume by factor (f 4 ):
t dp [°C] 3 5 7 9 10
(f 4 )ECO 1 1.2 1.35 1.45
(f 4 )VIA/PT 1 1.12 1.24 1.35
Correction factors for compressed air filter
With other operating pressures (p1), multiply the flow volume of the filter by factor f.
p1 [bar] 1 2 3 4 5 6 7 8 9 10 12 16
(f) 0.138 0.53 0.65 0.76 0.84 0.92 1.00 1.07 1.13 1.19 1.31 2.13
Conversion factor for operating pressure/compressed air inlet temperature for adsorption dryers
Pressure 35°C 40°C 45°C 50°C
5bar 0.75 0.64 0.61 0.59
6bar 0.89 0.78 0.73 0.67
7bar 1.00 0.91 0.82 0.79
8bar 1.08 1.00 0.94 0.86
9bar 1.26 1.08 1.03 0.99
10 bar 1.31 1.16 1.07 1.03
11 bar 1.36 1.24 1.10 1.07
12 bar 1.49 1.36 1.23 1.18
13 bar 1.62 1.47 1.35 1.29
14 bar 1.71 1.57 1.46 1.38
15 bar 1.79 1.67 1.57 1.46
16 bar 1.90 1.77 1.66 1.55
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