2 Description
Parker domnick hunter desiccant dryers are designed to remove moisture vapour from compressed air. Providing pressure dewpoints
of -40°C (-40°F) or -70°C (-100°F) at specified conditions.
ISO8573.1 : 2001 Edition
Dewpoint Selected
o
-40
C Pressure Dewpoint
o
-70
C Pressure Dewpoint
ISO8573.1 1991 Edition
Dewpoint Selected
o
-40
C Pressure Dewpoint
o
-70
C Pressure Dewpoint
The dryers comprise of extruded aluminium columns. Each column contains twin chambers filled with desiccant material that dries the
compressed air as it passes through. One chamber is operational (drying), whilst the opposite chamber is regenerating by Pressure Swing
Adsorption (PSA).
Pressure Swing Adsorption (PSA)
A small amount of the dried compressed air is used to regenerate the spent desiccant bed. Dried air at line pressure is expanded to atmospheric
pressure through the regenerating column.
2.1 Technical Specification
This specification is valid when the equipment is located, installed, operated, and maintained as specified within this user guide.
Stated flows are for operation at 7 bar g (102 psi g) with reference to 20ºC, 1 bar (a), 0% relative water vapour pressure. For flows at other
conditions, apply the correction factors shown...
Model
DAS1
DAS2
DAS3
DAS4
DAS5
DAS6
DAS7
Correction Factors
Minimum Drying Capacity = Inlet Flow Requirement x Correction Factor
Minimum Inlet Pressure
bar g
4
5
6
7
8
9
10
11
12
Product Installed
AO Filter + Dryer
AO Filter + Dryer
Product Installed
AO Filter + Dryer
AO Filter + Dryer
Pipe Size
3/8"
3/8"
3/8"
3/8"
3/8"
3/8"
3/8"
psi g
35 (95)
58
1.59
73
1.33
87
1.14
100
1.00
116
1.03
135
0.93
145
0.85
160
0.78
175
0.71
ISO Classification
ISO8573.1 : 2001 Class 3.2.2
ISO8573.1 : 2001 Class 3.1.2
ISO Classification
ISO8573.1 : 1991 Class 2.2.2
ISO8573.1 : 1991 Class 2.1.2
3
m
/min
0.09
0.14
0.23
0.28
0.37
0.43
0.57
Maximum Inlet Temperature °C (°F)
40 (104)
45 (113)
1.64
1.82
1.37
1.52
1.18
1.30
1.03
1.14
1.06
1.18
0.95
1.05
0.88
0.96
0.80
0.88
0.74
0.81
3
EN
Safety Information
3
m
/hr
5.1
8.5
13.6
17.0
22.1
25.5
34.0
50 (122)
2.17
1.82
1.56
1.37
1.41
1.27
1.16
1.06
0.98
cfm
3
5
8
10
13
15
20