Quick Selection

Quick selection of ICS valves
Suction line
Capacity [kW]
15
90
40
14
Capacity [kW x 10]
Example:
R407C - suction line
Q o
= 23 kW
t o
= 0°C
80
70
60
30
13
12
11
10
ICS 25-25
ICS 65
Result:
Both ICS 25-20
and ICS 25-25
can be used.
50
40
20
9
8
7
6
ICS 25-20
ICS 25-15
ICS 50
30
5
Conditions:
Evaporating temperature:
R717 t o
= –10°C
R407C t o
= 0°C
R404A t o
= –40°C
20
10
10
4
3
2
1
ICS 25-10
ICS 25-5
ICS 40
ICS 32
Condensing temperature:
t c
= +32°C
t liq
= +30°C
0
R717
0
R407C
0
R404A
0.1 0.12 0.14 0.16 0.18
0.2 0.3
Δp [bar]
R717
R407C
R404A
0.1 0.12 0.14 0.16 0.18
0.2 0.3
Δp [bar]
Liquid line
Capacity [kW x 10]
Capacity [kW x 100]
R717
R407C
R404A
0.1 0.12 0.14 0.16 0.18
0.2
Δp [bar]
0.3
R717
R407C
R404A
0.1 0.12 0.14 0.16 0.18
0.2
Δp [bar]
0.3
Hot gas line
Capacity [kW]
Capacity [kW x 10]
90 25
35
85
80
75
30
ICS 65
70
20
65
25
60
55
15
50
20
45
ICS 50
40
35
15
10
30
ICS 40
25
10
20
15
5
5
ICS 32
10
5
R717
R407C
R404A
0.1 0.12 0.14 0.16 0.18
0.2
Δp [bar]
0.3
0
R717
R407C
0
R404A
0.1 0.12 0.14 0.16 0.18
0.2
Δp [bar]
0.3
The capacities in the range 0.1 bar to 0.2 bars are approx. values.
For proper selection of the ICS valve Danfoss recommend that you use the technical leaflet (DKRCI.PD.HS0.A) or the
Danfoss calculation Software DIRCalcTM. The sofware is free of charge. Please contact your local Danfoss sales office.
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