Technical Bulletin

Capacity in kW. Range: -40 – 10 °C.
Opening superheat sh = 4 K
SI units R448A/R449A
Valve
type
Orice
no.
Cond.
temp.
[°C]
Evap. temp. [°C]
-40 -30 -20 -10 0 10
TE 5
0.5 25
4.27 5.53 6.90 8.31 9.50 9.95
01 25 7.84 10.2 12.7 15.3 17.4 18.1
02 25 11.0 14.3 17.8 21.3 24.0 24.7
03 25 13.9 18.0 22.6 27.2 31.1 32.2
04 25 18.4 24.2 30.6 37.1 42.3 43.4
TE 12
05 25
22.5 29.0 36.5 44.8 52.5 56.1
06 25
28.5 37.2 47.5 59.0 69.7 74.6
07 25 37.4 48.4 61.8 77.3 92.3 100
TE 20
08 25
49.9 65.4 83.2 102 118 122
09 25 54.0 71.7 93.3 118 140 147
TE 55
10 25 56.3 76.7 101 128 153 166
11 25 62.0 84.4 111 141 168 181
12 25 66.5 90.8 120 154 185 202
13 25 80.7 112 148 189 228 246
Capacity in kW. Range: -40 – 10 °C.
Opening superheat sh = 4 K
SI units R448A/R449A
Valve
type
Orice
no.
Cond.
temp.
[°C]
Evap. temp. [°C]
-40 -30 -20 -10 0 10
TE 5
0.5 35
4.22 5.50 6.96 8.54 10.1 11.4
01 35
7.73 10.1 12.8 15.7 18.6 20.7
02 35
10.8 14.2 18.0 22.0 25.9 28.5
03 35 13.6 17.8 22.6 27.9 33.0 36.8
04 35 17.9 23.8 30.6 38.0 45.2 50.1
TE 12
05 35 21.6 27.8 35.3 44.0 53.5 61.4
06 35 27.1 35.4 45.6 57.7 70.9 82.1
07 35 35.0 44.9 57.4 72.8 90.1 105
TE 20
08 35 47.2 62.2 80.1 101 122 137
09 35 49.8 66.2 86.7 112 139 161
TE 55
10 35 51.1 70.5 94.4 123 153 179
11 35 55.8 77.0 103 134 167 195
12 35
59.4 82.1 111 144 182 215
13 35 70.7 98.4 133 175 221 260
Subcooling correction factor, f
sub
Subcooling [K] 2 4 10 15 20 25 30
Correction factor 0.98 1.00 1.07 1.13 1.18 1.24 1.31
Capacity in TR. Range: -40 – 50 °F.
Opening superheat sh = 7.2 °F.
US units R448A/R449A
Valve
type
Orice
no.
Cond.
temp.
[°F]
Evap. temp. [°F]
-40 -20 0 20 40 50
TE 5
0.5 75 1.21 1.61 2.04 2.47 2.75 2.76
01 75
2.23 2.96 3.75 4.52 5.02 5.02
02 75 3.12 4.15 5.25 6.29 6.90 6.84
03 75
3.93 5.26 6.70 8.09 8.96 8.93
04 75 5.24 7.08 9.09 11.0 12.2 12.0
TE 12
05 75 6.40 8.47 10.9 13.5 15.4 15.6
06 75 8.13 10.9 14.2 17.8 20.5 20.8
07 75
10.7 14.2 18.6 23.5 27.4 28.0
TE 20
08 75 14.2 19.2 24.8 30.6 34.2 33.9
09 75
15.4 21.2 28.2 35.8 41.0 40.9
TE 55
10 75 16.2 22.7 30.5 38.9 45.4 46.3
11 75 17.8 24.9 33.6 42.8 49.7 50.6
12 75 19.1 26.9 36.5 46.9 55.2 56.6
13 75 23.2 32.9 44.8 57.8 67.6 68.6
Capacity in TR. Range: -40 – 50 °F.
Opening superheat sh = 7.2 °F.
US units R448A/R449A
Valve
type
Orice
no.
Cond.
temp.
[°F]
Evap. temp. [°F]
-40 -20 0 20 40 50
TE 5
0.5 95 1.20 1.61 2.07 2.58 3.05 3.22
01 95 2.20 2.95 3.82 4.75 5.59 5.89
02 95
3.07 4.15 5.36 6.64 7.74 8.09
03 95
3.85 5.20 6.74 8.41 9.94 10.5
04 95 5.08 6.96 9.13 11.5 13.6 14.2
TE 12
05 95 6.13 8.12 10.5 13.4 16.3 17.5
06 95 7.70 10.3 13.7 17.6 21.7 23.3
07 95 9.95 13.1 17.2 22.3 27.7 29.9
TE 20
08 95 13.4 18.2 24.0 30.6 36.9 38.9
09 95 14.1 19.4 26.1 34.3 42.7 45.6
TE 55
10 95 14.5 20.7 28.5 37.7 47.0 50.9
11 95
15.8 22.6 31.1 41.1 51.2 55.4
12 95 16.9 24.1 33.4 44.5 56.1 61.0
13 95
20.1 28.9 40.3 54.1 68.2 73.9
Subcooling correction factor, f
sub
Subcooling [°F] 2 7 10 20 30 40 50
Correction factor 0.97 1.00 1.02 1.08 1.15 1.21 1.28
Distributer correction factor, f
p
SI units R448A/R449A
Pressure drop
[bar]
∆p
Evap. temp. [°C]
-40 -30 -20 -10 0 10
Correction factor
0 1 1 1 1 1 1
1 0.96 0.96 0.96 0.96 0.95 0.94
1.5 0.95 0.94 0.94 0.93 0.92 0.90
2 0.93 0.92 0.92 0.91 0.90 0.87
* Calculated at 32 °C condensing temperature.
Distributer correction factor, f
p
US units R448A/R449A
Pressure drop
[psi]
∆p
Evap. temp. [°F]
-40 -20 0 20 40 50
Correction factor
0 1 1 1 1 1 1
15 0.96 0.96 0.96 0.95 0.94 0.94
25 0.94 0.93 0.93 0.92 0.90 0.89
30 0.93 0.92 0.92 0.90 0.88 0.87
Calculated at 90 °F condensing temperature.
Data sheet | Thermostatic expansion valves, type TE 5 – TE 55
© Danfoss | DCS (sw) | 2019.01
DKRCC.PD.AB0.A7.02 | 14