Brochure

87
TXV Extended Capacity Tables
Refrigerant Liquid Temperature Correction Factors
Refrigerant Liquid Temperature °C
10 16 21 27 32 38 43 49 54 60
R-410A Correction Factor 1.37 1.30 1.23 1.15 1.08 1.00 0.92 0.84 0.75 0.65
These factors include corrections for liquid refrigerant density and net refrigeration effect, and are based on an average evaporator temperature of 4.4°C with a
maximum 14°C Change in Superheat. However, they may be used for other evaporator temperatures.
R-410A Balanced Ported Valves (kWatts) – NXT Series
Valve Type
Nominal
Rating
Tons
Evaporator Temperature
10 ºC 4 ºC -7 ºC
Pressure Drop Across valve (kPa) Pressure Drop Across valve (kPa) Pressure Drop Across valve (kPa)
500 750 1000 1100 1450 1700 2000 500 750 1000 1100 1450 1700 2000 500 750 1000 1100 1450 1700 2000
NXT-Series
1/2 1.4 1.6 1.9 2.0 2.3 2.4 2.6 1.3 1.6 1.8 2.0 2.3 2.4 2.6 1.3 1.6 1.8 1.9 2.2 2.4 2.6
1 2.4 2.9 3.3 3.5 4.1 4.3 4.7 2.4 2.9 3.3 3.5 4.0 4.3 4.7 2.4 2.8 3.2 3.4 3.9 4.2 4.6
1-1/2 3.6 4.4 5.0 5.3 6.1 6.5 7.1 3.6 4.4 4.9 5.3 6.0 6.4 7.0 3.5 4.3 4.8 5.2 5.9 6.3 6.9
2 4.8 5.9 6.6 7.1 8.1 8.7 9.4 4.8 5.8 6.6 7.0 8.0 8.6 9.4 4.7 5.7 6.4 6.9 7.9 8.4 9.2
3 7.3 8.8 9.9 10.6 12.2 13.0 14.2 7.2 8.7 9.8 10.5 12.1 12.9 14.1 7.1 8.5 9.6 10.3 11.8 12.6 13.8
4 9.7 11.7 13.2 14.2 16.2 17.3 18.9 9.6 11.6 13.1 14.0 16.1 17.2 18.7 9.4 11.4 12.9 13.7 15.7 16.8 18.3
5 12.1 14.7 16.6 17.7 20.3 21.7 23.6 12.0 14.6 16.4 17.6 20.1 21.5 23.4 11.8 14.2 16.1 17.2 19.7 21.0 22.9
6 14.5 17.6 19.9 21.2 24.3 26.0 28.3 14.4 17.5 19.7 21.1 24.1 25.8 28.1 14.1 17.1 19.3 20.6 23.6 25.2 27.5
7 17.0 20.5 23.2 24.8 28.4 30.3 33.1 16.8 20.4 23.0 24.6 28.1 30.1 32.8 16.5 19.9 22.5 24.0 27.5 29.4 32.1
8 20.3 24.5 27.8 29.7 34.0 36.4 39.6 20.2 24.4 27.5 29.4 33.7 36.1 39.9 19.7 23.9 27.0 28.8 33.0 35.3 38.5
10 25.0 30.3 34.1 36.5 41.8 44.7 48.7 24.8 30.0 33.9 36.2 41.5 44.3 48.3 24.2 29.4 33.1 35.4 40.6 43.4 47.3
12 30.6 37.1 41.8 44.7 51.2 54.8 59.7 30.4 36.8 41.5 44.3 50.8 54.3 59.2 29.7 36.0 40.6 43.4 49.7 53.1 57.9
15 35.8 43.4 49.0 52.4 60.0 64.1 69.9 35.5 43.0 48.6 51.9 59.5 63.6 69.3 34.8 42.1 47.5 50.8 58.2 62.2 67.8
Valve Type
Nominal
Rating
Tons
Evaporator Temperature
-18 ºC -29 ºC -40 ºC
Pressure Drop Across valve (kPa) Pressure Drop Across valve (kPa) Pressure Drop Across valve (kPa)
500 750 1000 1100 1450 1700 2000 500 750 1000 1100 1450 1700 2000 500 750 1000 1100 1450 1700 2000
NXT-Series
1/2 1.3 1.6 1.8 1.9 2.1 2.3 2.5 1.2 1.5 1.7 1.8 2.1 2.2 2.4 1.2 1.5 1.6 1.8 2.0 2.1 2.3
1 2.3 2.9 3.1 3.3 3.8 4.1 4.5 2.2 2.7 3.0 3.2 3.7 4.0 4.3 2.1 2.6 2.9 3.1 3.6 3.8 4.2
1-1/2 3.4 4.2
4.7 5.0 5.7 6.1 6.7 3.3 4.0 4.5 4.9 5.6 6.0 6.5 3.2 3.9 4.4 4.7 5.4 5.7 6.3
2 4.6 5.5 6.3 6.7 7.7 8.2 8.9 4.4 5.4 6.1 6.5 7.4 7.9 8.6 4.3 5.2 5.8 6.3 7.2 7.7 8.3
3 6.9 8.3 9.4 10.0 11.5 12.3 13.4 6.7 8.1 9.1 9.7 11.1 11.9 13.0 6.4 7.8 8.8 9.4 10.7 11.5 12.5
4 9.2 11.1 12.5 13.4 15.3 16.4 17.9 8.9 10.7 12.1 13.0 14.8 15.9 17.3 8.6 10.4 11.7 12.5 14.3 15.3 16.7
5 11.4 13.9 15.6 16.7 19.2 20.5 22.3 11.1 13.4 15.2 16.2 18.6 19.8 21.6 10.7 13.0 14.6 15.6 17.9 19.1 20.9
6 13.7 16.6 18.8 20.1 23.0 24.6 26.8 13.3 16.1 18.2 19.4 22.3 23.8 25.9 12.8 15.6 17.5 18.8 21.5 23.0 25.0
7 17.0 20.5 23.2 23.4 28.4 30.3 33.1 15.5 18.8 21.2 22.7 26.0 27.8 30.3 15.0 18.1 20.5 21.9 25.1 26.8 29.2
8 19.3 23.3 26.2 28.1 32.1 34.4 37.4 18.6 22.5 25.4 27.2 31.1 33.3 36.3 18.0 21.7 24.5 26.2 30.0 32.1 35.0
10 23.6 28.6 32.2 34.5 39.5 42.2 46.0 22.9 27.7 31.2 33.4 38.3 40.9 44.6 22.1 26.7 30.1 32.2 36.9 39.5 43.0
12 28.9 35.0 39.5 42.2 48.4 51.7 56.4 28.0 33.9 38.3 40.9 46.9 50.1 54.6 27.0 32.7 36.9 39.5 45.2 48.4 52.7
15 33.9 41.0 46.3 49.5 56.7 60.6 66.0 32.8 39.7 44.8 47.9 54.9 58.7 64.0 31.7 38.3 43.2 46.2 53.0 56.6 67.8
Note: 1. These ratings assume vapor free liquid enetering the termal expansion valve.
2. Standard capacity is rated at 38°C liquid inlet and 4.4°C evap temperture, with 11 bar pressure drop across TXV.