Brochure
72
TXV Extended Capacity Tables
Valve
Type
Nominal
Rating
Evaporator Temperature
50 ºF 40 ºF 20 ºF
Pressure Drop Across Valve (PSI) Pressure Drop Across Valve (PSI) Pressure Drop Across Valve (PSI)
75 110 140 160 210 240 285 75 110 140 160 210 240 285 75 110 140 160 210 240 285
TFES
12 8.1 9.9 11.1 11.9 13.6 14.6 15.9 8.1 9.8 11.0 11.8 13.5 14.5 15.7 7.9 9.6 10.8 11.5 13.2 14.1 15.4
16 12.4 15.0 16.9 18.1 20.7 22.1 24.1 12.3 14.8 16.7 17.9 20.5 21.9 23.9 12.0 14.5 16.4 17.5 20.1 21.5 23.4
20 13.3 16.1 18.2 19.5 22.3 23.8 26.0 13.2 16.0 18.1 19.3 22.1 23.6 25.8 12.9 15.7 17.7 18.9 21.6 23.1 25.2
Valve
Type
Nominal
Rating
Evaporator Temperature
0 ºF -20 ºF -40 ºF
Pressure Drop Across Valve (PSI) Pressure Drop Across Valve (PSI) Pressure Drop Across Valve (PSI)
75 110 140 160 210 240 285 75 110 140 160 210 240 285 75 110 140 160 210 240 285
TFES
12 7.7 9.3 10.5 11.2 12.9 13.8 15.0 7.5 9.0 10.2 10.9 12.5 13.3 14.5 7.2 8.7 9.8 10.5 12.0 12.9 14.0
16 11.7 14.1 16.0 17.1 19.5 20.9 22.8 11.3 13.7 15.5 16.5 18.9 20.2 22.1 10.9 13.2 14.9 15.9 18.3 19.5 21.3
20 12.6 15.2 17.2 18.4 21.1 22.5 24.5 12.2 14.8 16.7 17.8 20.4 21.8 23.8 11.8 14.3 16.1 17.2 19.7 21.1 22.9
Note: Standard capacity is rated at 100 ºF liquid inlet and 40 ºF evap temperature; with 160 Psi pressure drop across TXV per ARI 750-2001.
These ratings assume vapor free liquid entering the thermal expansion valve.
R-410A Balance Ported Valves (Tons) - TFE Series
Refrigerant Liquid Temperature Correction Factors
Refrigerant Liquid Temperature °F
50 60 70 80 90 100 110 120 130 140
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 40 ºF with
maximum 7 ºF change in superheat. However, they may be used for any evaporator temperature from -40 ºF to +40 ºF; since the variation in the actual factors across
this range is insignicant.