Thermostatic expansion valves TUA/TUAE

Technical brochure
Thermostatic expansion valves, type TUA/TUAE
Capacity (continued)
Capacity in kW for range N = −40 → +10°C and opening superheat OS = 4 K
Valve type
TU
TU
TU
Orifice
no.
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Pressure drop across valve ∆p bar
Pressure drop across valve ∆p bar
R407C
2 4 6 8 10 12 14 16 2 4 6 8 10 12 14 16
0.43
0.63
0.90
1.2
1.9
2.5
3.8
5.0
7.5
11.3
0.37
0.48
0.60
0.84
1.3
1.7
2.5
3.4
5.0
7.5
0.54
0.81
1.2
1.6
2.5
3.3
5.0
6.6
9.9
14.8
0.46
0.62
0.78
1.1
1.6
2.2
3.2
4.3
6.5
9.6
0.26
0.38
0.45
0.63
0.93
1.3
1.9
2.5
3.8
5.5
Evaporating temperature +10°C Evaporating temperature 0°C
0.60
0.90
1.4
1.9
2.8
3.8
5.7
7.6
11.2
16.9
0.64
0.96
1.5
2.0
3.1
4.1
6.1
8.2
12.2
18.2
0.67
0.99
1.5
2.1
3.2
4.2
6.4
8.6
12.7
19.0
0.68
1.01
1.6
2.2
3.3
4.4
6.6
8.8
13.0
19.5
Evaporating temperature –10°C
0.51
0.70
0.88
1.2
1.8
2.4
3.7
4.9
7.4
10.9
0.54
0.74
0.94
1.3
2.0
2.6
3.9
5.2
7.9
11.6
0.55
0.76
0.98
1.4
2.0
2.7
4.1
5.5
8.2
12.1
0.56
0.77
1.00
1.4
2.1
2.8
4.2
5.6
8.4
12.3
Evaporating temperature –30°C
0.29
0.43
0.50
0.71
1.0
1.4
2.1
2.8
4.2
6.2
0.31
0.45
0.53
0.75
1.1
1.5
2.2
3.0
4.5
6.5
0.32
0.47
0.55
0.78
1.1
1.5
2.3
3.1
4.6
6.7
0.32
0.48
0.56
0.79
1.2
1.6
2.3
3.1
4.7
6.8
0.68
1.02
1.6
2.2
3.3
4.4
6.7
8.9
13.2
19.7
0.57
0.77
1.01
1.4
2.1
2.8
4.2
5.6
8.4
12.4
0.32
0.48
0.56
0.79
1.2
1.6
2.3
3.1
4.7
6.9
0.68
1.01
1.6
2.2
3.3
4.4
6.7
8.9
13.2
19.7
0.56
0.77
1.01
1.4
2.1
2.8
4.2
5.6
8.4
12.4
0.31
0.47
0.56
0.79
1.2
1.5
2.3
3.1
4.7
6.8
0.41
0.56
0.8
1.0
1.6
2.1
3.1
4.2
6.3
9.3
0.33
0.39
0.47
0.66
0.98
1.3
1.9
2.6
3.9
5.8
0.51
0.73
1.0
1.4
2.1
2.7
4.1
5.4
8.2
12.2
0.40
0.50
0.60
0.84
1.3
1.7
2.5
3.3
5.0
7.4
0.56
0.81
1.1
1.5
2.3
3.1
4.6
6.2
9.3
13.8
0.60
0.86
1.2
1.7
2.5
3.3
5.0
6.7
9.9
14.8
0.62
0.89
1.2
1.7
2.6
3.5
5.2
6.9
10.4
15.4
0.63
0.90
1.3
1.8
2.7
3.5
5.3
7.1
10.6
15.8
Evaporating temperature –20°C
0.44
0.56
0.68
0.95
1.4
1.9
2.8
3.7
5.7
8.3
0.47
0.60
0.72
1.0
1.5
2.0
3.0
4.0
6.0
8.9
0.48
0.62
0.75
1.1
1.6
2.1
3.1
4.1
6.2
9.2
0.49
0.63
0.76
1.1
1.6
2.1
3.2
4.2
6.4
9.3
Evaporating temperature –40°C
0.29
0.31
0.36
0.51
0.75
1.0
1.5
2.0
3.0
4.4
0.31
0.33
0.38
0.54
0.79
1.1
1.6
2.1
3.2
4.7
0.32
0.34
0.40
0.56
0.81
1.1
1.6
2.2
3.3
4.8
0.32
0.34
0.40
0.56
0.82
1.1
1.6
2.2
3.3
4.9
0.63
0.91
1.3
1.8
2.7
3.6
5.4
7.2
10.7
15.9
0.49
0.63
0.77
1.1
1.6
2.1
3.2
4.2
6.4
9.4
0.32
0.35
0.40
0.56
0.82
1.1
1.6
2.2
3.3
4.9
0.63
0.90
1.3
1.8
2.7
3.6
5.4
7.2
10.7
15.9
0.49
0.63
0.76
1.1
1.6
2.1
3.2
4.2
6.4
9.3
0.31
0.34
0.40
0.56
0.82
1.1
1.6
2.2
3.3
4.8
Correction for subcooling ∆t sub
The evaporator capacity used must be corrected
if subcooling deviates from 4 K.
The corrected capacity can be obtained
by dividing the evaporator capacity by the
correction factor given below.
Note:
Insufficient subcooling can produce flash gas.
Correction factor for subcooling ∆t sub
∆t sub 4 K 10 K 15 K 20 K 25 K 30 K 35 K 40 K 45 K 50 K
Correction factor 1.00 1.08 1.14 1.21 1.27 1.33 1.39 1.45 1.51 1.57
12 DKRCC.PD.AG0.A3.02 / 520H4543 © Danfoss A/S (AG-SMC / bpv), 07 - 2010