DK50 9x4VRT/M
NP-DK50-9x4VRTM_ED-EN-2_10-2018
- 10 -
10/2018
7.1.
Free air delivery (FAD) correction due to elevation
FAD correction table
FAD reference conditions:
Elevation: 0 MASL
Temperature: 20°C
Atmospheric pressure: 101 325 Pa
Relative humidity: 0%
7.2.
Dryer performance correction
ED180 dryer reference values
Temperature of air entering the dryer
t
inlet
°C
35 (max.55)
Ambient temperature
t
0
°C
25 (max.45)
Working pressure
p
bar
7 (max.16)
Pressure dew point
PDP
°C
+3 (-22 atm.)
ED180 dryer correction factors
Correction factor for working pressure
p (bar)
4
5
6
7
8
9
10
F
C1
0.78
0.85
0.93
1.0
1.06
1.11
1.15
Correction factor for temperature of compressed air entering the dryer
t
inlet
(°C)
30
35
40
45
50
55
F
C2
1.2
1.0
0.85
0.71
0.58
0.49
The cooler cools the compressed air to a temperature of ~19
o
C higher than the ambient
temperature. Therefore:
t
inlet
= t
o
+ 19
o
C
It means E.G. at ambient temperature of t
o
= 16
o
C, t
inlet
= 16
o
+ 19
o
= 35
o
C → F
C2
= 1,0
Dew point correction factor
PDP (°C)
3
4
5
6
7
8
9
F
C3
1
1.04
1.09
1.14
1.18
1.25
1.3
Correction factor for ambient temperature
t
o
(°C)
25
30
35
40
F
C4
1
0.96
0.92
0.88
Elevation [MASL]
0 - 1500
1501 - 2500 2501 - 3500 3501 - 4500
FAD [l/min]
FAD x 1
FAD x 0.8
FAD x 0.71 FAD x 0.60
Summary of Contents for DK50 9x4VRT/M
Page 1: ...DK50 9x4VRT M User manual EN...
Page 2: ...October 2018 Z_2195 2018 Chap 3 pgs 5...
Page 22: ...DK50 9x4VRT M NP DK50 9x4VRTM_ED EN 2_10 2018 22 10 2018 Fig 13 Fig 14 Fig 15 Cable bridge...
Page 42: ...DK50 9x4VRT M NP DK50 9x4VRTM_ED EN 2_10 2018 42 10 2018 ANNEX 22 MAPPING PARAMETERS...
Page 43: ...DK50 9x4VRT M 10 2018 NP DK50 9x4VRTM_ED EN 2_10 2018 43...
