Brochure

61
TXV Extended Capacity Tables
Evaporator Temperature
50°F 40°F 20°F
Nominal Pressure Drop Across Valve (PSI) Pressure Drop Across Valve (PSI) Pressure Drop Across Valve (PSI)
Valve Type Rating 110 140 160 210 245 285 110 140 160 210 245 285 110 140 160 210 245 285
AA/AN/AAC/ANC/AFA 1/4 0.34 0.38 0.41 0.47 0.51 0.55 0.34 0.38 0.41 0.47 0.51 0.55 0.33 0.37 0.40 0.46 0.49 0.53
AA/AN/AAC/ANC/AFA 1/2 0.60 0.68 0.72 0.83 0.90 0.97 0.59 0.67 0.71 0.82 0.88 0.95 0.58 0.65 0.70 0.80 0.87 0.93
AA/AN/AAC/ANC/AFA 1 0.96 1.08 1.16 1.33 1.43 1.55 0.95 1.07 1.15 1.31 1.42 1.53 0.93 1.05 1.12 1.28 1.39 1.50
AA/AN/AAC/ANC/AFA 1-1/2 1.38 1.56 1.66 1.91 2.06 2.22 1.36 1.53 1.64 1.88 2.03 2.19 1.33 1.50 1.60 1.84 1.98 2.14
AA/AN/AAC/ANC/AFA 2 2.03 2.29 2.45 2.80 3.03 3.27 2.01 2.27 2.42 2.78 3.00 3.24 1.96 2.21 2.36 2.71 2.93 3.15
AA/AN/AAC/ANC/AFA 3 2.85 3.22 3.44 3.94 4.25 4.59 2.82 3.18 3.40 3.90 4.21 4.54 2.74 3.09 3.30 3.79 4.09 4.41
AA/AN/AAC/ANC/AFA 4 3.49 3.94 4.21 4.82 5.21 5.62 3.45 3.89 4.16 4.77 5.15 5.55 3.36 3.79 4.05 4.64 5.01 5.41
AA/AN/AAC/ANC/AFA 5 4.14 4.67 4.99 5.72 6.18 6.66 4.10 4.63 4.94 5.66 6.12 6.60 3.99 4.50 4.81 5.51 5.95 6.42
R-410A Conventional Valves (Tons)– A Series
Refrigerant Liquid Temperature °F
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140
R-12 Correction Factor 1.60 1.54 1.48 1.42 1.36 1.30 1.24 1.18 1.12 1.06 1.00 .94 .88 .82 .75
R-134a Correction Factor 1.70 1.63 1.56 1.49 1.42 1.36 1.29 1.21 1.14 1.07 1.00 .93 .85 .78 .71
R-22 Correction Factor 1.56 1.51 1.45 1.40 1.34 1.29 1.23 1.17 1.12 1.06 1.00 .94 .88 .82 .76
R-404A/R-507 Correction Factor 2.00 1.90 1.80 1.70 1.60 1.50 1.40 1.30 1.20 1.10 1.00 .90 .80 .70 .50
These factors include corrections for liquid refrigerant density and net refrigerating effect and are based on an average evaporator temperature of 0°F.
However, they may be used for any evaporator temperature from ‑40°F to +40°F since the variation in the actual factors across this range is insignicant.
Refrigerant Liquid Temperature Valve Capacity Multiplier Correction Factors
Note: Standard capacity is rated at 100F liquid inlet and 40F evaporator temperature; with 160 Psi pressure drop across the TXV per ARI 750-2001.
Evaporator Temperature
0°F -20°F -40°F
Nominal Pressure Drop Across Valve (PSI) Pressure Drop Across Valve (PSI) Pressure Drop Across Valve (PSI)
Valve Type Rating 140 160 210 245 285 330 140 160 210 245 285 330 140 160 210 245 285 330
AA/AN/AAC/ANC/AFA 1/4 0.34 0.36 0.42 0.45 0.49 0.52 0.24 0.26 0.29 0.32 0.34 0.37 0.16 0.17 0.20 0.21 0.23 0.25
AA/AN/AAC/ANC/AFA 1/2 0.60 0.64 0.73 0.79 0.86 0.92 0.41 0.44 0.50 0.54 0.58 0.63 0.27 0.29 0.33 0.36 0.39 0.41
AA/AN/AAC/ANC/AFA 1 0.95 1.02 1.16 1.26 1.36 1.46 0.66 0.71 0.81 0.87 0.94 1.01 0.44 0.47 0.54 0.58 0.63 0.68
AA/AN/AAC/ANC/AFA 1-1/2 1.36 1.45 1.67 1.80 1.94 2.09 0.95 1.02 1.16 1.26 1.36 1.46 0.63 0.67 0.77 0.83 0.90 0.97
AA/AN/AAC/ANC/AFA 2 2.01 2.15 2.46 2.66 2.87 3.09 1.40 1.50 1.71 1.85 2.00 2.15 0.93 0.99 1.14 1.23 1.33 1.43
AA/AN/AAC/ANC/AFA 3 2.82 3.01 3.45 3.73 4.02 4.33 1.96 2.10 2.40 2.59 2.80 3.01 1.30 1.39 1.59 1.72 1.85 2.00
AA/AN/AAC/ANC/AFA 4 3.46 3.70 4.24 4.58 4.94 5.31 2.40 2.57 2.94 3.17 3.42 3.68 1.60 1.71 1.96 2.12 2.28 2.46
AA/AN/AAC/ANC/AFA 5 4.10 4.38 5.02 5.42 5.85 6.29 2.85 3.05 3.49 3.77 4.07 4.38 1.89 2.02 2.31 2.50 2.70 2.90