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Brochure

ManualsBrandsEmerson Flow Controls ManualsA Series Thermal Expansion Valves3/8" x 1/2" ODF S/T Thermal Expansion Valve (2-1/2 Ton)
81828384858687888990
86
TXV Extended Capacity Tables
R-410A Balanced Ported Valves (kWatts)– B Series
Valve Type
Nominal
Rating
Evaporator Temperature
10 ºC 4 ºC -7 ºC
Pressure Drop Across Valve (kPa) Pressure Drop Across Valve (kPa) Pressure Drop Across Valve (kPa)
500 800 1000 1100 1400 1700 2000 500 800 1000 1100 1400 1700 2000 500 800 1000 1100 1400 1700 2000
BA/BN
1 2.8 3.4 3.8 4.1 4.7 5.0 5.5 2.8 3.4 3.8 4.1 4.7 5.0 5.4 2.7 3.3 3.7 4.0 4.6 4.9 5.3
1-1/2 4.5 5.5 6.2 6.6 7.6 5.0 5.5 4.5 5.4 6.1 6.6 7.5 8.0 8.8 4.4 5.3 6.0 6.4 7.4 7.9 8.6
2 6.3 7.7 8.6 9.2 10.6 11.3 12.3 6.3 7.6 8.6 9.2 10.5 11.2 12.2 6.1 7.4 8.4 9.0 10.3 11.0 12.0
3 8.0 9.7 11.0 11.8 13.5 14.4 15.7 8.0 9.7 10.9 11.7 13.4 14.3 15.6 7.8 9.5 10.7 11.4 13.1 14.0 15.2
3-1/2 10.4 12.6 14.2 15.2 17.4 18.6 20.3 10.3 12.5 14.1 15.1 17.3 18.4 20.1 10.1 12.2 13.8 14.7 16.9 18.0 19.7
4-1/2 14.5 17.6 19.8 21.2 24.3 25.9 28.3 14.4 17.4 19.6 21.0 24.0 25.7 28.0 14.1 17.0 19.2 20.5 23.5 25.2 27.4
6 17.7 21.5 24.2 25.9 29.7 31.7 34.6 17.6 21.3 24.0 25.7 29.4 31.5 34.3 17.2 20.8 23.5 25.1 28.8 30.8 33.6
7 21.8 26.4 29.8 31.9 36.5 39.0 42.5 21.6 26.2 29.5 31.6 36.2 38.7 42.2 21.2 25.6 28.9 30.9 35.4 37.9 41.3
Valve Type
Nominal
Rating
Evaporator Temperature
-18 ºC -29 ºC -40 ºC
Pressure Drop Across Valve (kPa) Pressure Drop Across Valve (kPa) Pressure Drop Across Valve (kPa)
500 800 1000 1100 1400 1700 2000 500 800 1000 1100 1400 1700 2000 500 800 1000 1100 1400 1700 2000
BA/BN
1 2.7 3.2 3.6 3.9 4.4 4.8 5.2 2.6 3.1 3.5 3.8 4.3 4.6 5.0 2.5 3.0 3.4 3.6 4.2 4.4 4.8
1-1/2 4.3 5.2 5.8 6.3 7.2 7.7 8.3 4.1 5.0 5.7 6.1 6.9 7.4 8.1 4.0 4.8 5.5 5.8 6.7 7.2 7.8
2 6.0 7.2 8.2 8.7 10.0 10.7 11.6 5.8 7.0 7.9 8.5 9.7 10.4 11.3 5.6 6.8 7.6 8.2 9.3 10.0 10.9
3 7.6 9.2 10.4 11.1 12.7 13.6 14.8 7.4 8.9 10.1 10.8 12.3 13.2 14.4 7.1 8.6 9.7 10.4 11.9 12.7 13.9
3-1/2 9.8 11.9 13.4 14.3 16.4 17.6 19.1 9.5 11.5 13.0 13.9 15.9 17.0 18.5 9.2 11.1 12.5 13.4 15.4 16.4 17.9
4-1/2 13.7 16.6 18.7 20.0 22.9 24.5 26.7 13.3 16.1 18.1 19.4 22.2 23.7 25.9 12.8 15.5 17.5 18.7 21.4 22.9 24.9
6 16.8 20.3 22.9 24.5 28.0 30.0 32.7 16.2 19.7 22.2 23.7 27.2 29.0 31.7 15.7 19.0 21.4 22.9 26.2 28.0 30.5
7 20.6 25.0 28.1 30.1 34.5
36.9 40.2 20.0 24.2 27.3 29.2 33.4 35.7 38.9 19.3 23.3 26.3 28.1 32.2 34.5 37.5
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.