Product Overview
Data sheet | Electric expansion valves, type ETS 6
© Danfoss | DCS (rm) | 2019.08
AI227986437323en-000901 | 8
Correction factors for
subcooling Δt
sub
The evaporator capacities used must be
corrected if subcooling deviates from 0 K.
The corrected capacity can be obtained by
dividing the required evaporator capacity by the
correction factor below. Selections can then be
made from the tables above.
Δt
sub
0K 4K 10K 15K 20K 25K 30K 35K 40K 45K 50K
0°F 7.2°F 18°F 27°F 36°F 45°F 54°F 63°F 72°F 81°F 90°F
R22 1.00 1.04 1.10 1.16 1.20 1.25 1.30 1.35 1.41 1.45 1.50
R410A 1.00 1.06 1.14 1.21 1.28 1.34 1.40 1.47 1.53 1.58 1.65
R407C 1.00 1.06 1.14 1.20 1.28 1.34 1.40 1.47 1.53 1.60 1.66
R134a 1.00 1.06 1.14 1.19 1.26 1.32 1.38 1.45 1.50 1.56 1.63
R404A/R507 1.00 1.07 1.18 1.29 1.38 1.47 1.56 1.65 1.75 1.82 1.91
Δt
sub
0K 4K 10K 15K 20K 25K 30K 35K 40K 45K 50K
0°F 7.2°F 18°F 27°F 36°F 45°F 54°F 63°F 72°F 81°F 90°F
R32 1.00 1.03 1.08 1.12 1.16 1.20 1.23 1.27 1.31 1.34 1.37
R290 1.00 1.04 1.10 1.15 1.20 1.25 1.29 1.34 1.38 1.43 1.47
R448A 1.00 1.06 1.13 1.20 1.26 1.33 1.39 1.46 1.52 1.59 1.65
R449A 1.00 1.03 1.11 1.17 1.23 1.29 1.35 1.41 1.47 1.53 1.59
R452A 1.00 1.06 1.14 1.21 1.25 1.34 1.40 1.46 1.52 1.58 1.64