Thermostatic expansion valves, type T 2 and TE 2 - Imimg

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Technical leaflet Thermostatic expansion valves, type T 2 and TE 2CapacityCorrectionfor subcooling ∆t subNote:Insufficient subcooling can produceflash gas.Capacity in kW for range N: –40°C to +10°CValve typeTN 2/TEN 2 - 0.11TN 2/TEN 2 - 0.25TN 2/TEN 2 - 0.5TN 2/TEN 2 - 0.8TN 2/TEN 2 - 1.3TN 2/TEN 2 - 1.9TN 2/TEN 2 - 2.5TN 2/TEN 2 - 3.0TN 2/TEN 2 - 0.11TN 2/TEN 2 - 0.25TN 2/TEN 2 - 0.5TN 2/TEN 2 - 0.8TN 2/TEN 2 - 1.3TN 2/TEN 2 - 1.9TN 2/TEN 2 - 2.5TN 2/TEN 2 - 3.0TN 2/TEN 2 - 0.11TN 2/TEN 2 - 0.25TN 2/TEN 2 - 0.5TN 2/TEN 2 - 0.8TN 2/TEN 2 - 1.3TN 2/TEN 2 - 1.9TN 2/TEN 2 - 2.5TN 2/TEN 2 - 3.0Orificeno.0X000102030405060X000102030405060X00010203040506Pressure drop across valve ∆p barR134aPressure drop across valve ∆p bar2 4 6 8 10 2 4 6 8 10Evaporating temperature +10°C Evaporating temperature 0°C0.340.711.52.03.65.46.98.40.430.861.92.64.77.08.910.80.470.932.13.05.37.89.912.10.500.972.23.15.68.310.812.8Evaporating temperature –10°C0.300.591.01.42.53.64.65.70.380.701.31.83.14.65.87.10.430.771.42.03.55.16.58.00.440.811.52.13.75.46.98.4Evaporating temperature –30°C0.250.480.660.901.62.33.03.60.320.550.801.12.02.93.64.4The evaporator capacities used must becorrected if subcooling deviates from 4 K.The corrected capacity can be obtained by0.350.610.881.22.23.24.04.90.370.640.931.32.33.34.25.20.510.982.23.25.88.610.913.20.440.821.52.13.85.67.18.60.380.640.951.32.33.44.35.30.330.651.31.73.04.55.77.00.280.530.811.12.02.93.74.50.230.440.540.741.31.92.43.00.420.781.62.23.95.77.38.90.460.861.72.44.46.48.110.00.470.891.82.64.66.88.610.5Evaporating temperature –20°C0.350.621.001.42.53.64.65.60.390.691.11.52.84.05.16.20.410.721.21.62.94.35.46.6Evaporating temperature –40°C0.280.500.650.891.62.32.93.60.320.540.720.981.82.63.24.00.330.560.761.01.92.73.54.20.490.911.82.64.77.08.810.80.420.731.21.73.04.45.56.80.340.570.771.01.92.73.54.3dividing the required evaporator capacity by thecorrection factor below. Selections can then bemade from the tables above.∆t u 4 K 10 K 15 K 20 K 25 K 30 K 35 K 40 K 45 K 50 KCorrection factor 1.00 1.08 1.13 1.19 1.25 1.31 1.37 1.42 1.48 1.54 DKRCC.PD.AA0.A2.02 / 520H1659 © Danfoss A/S (AC-DSL / SKT), 12 - 2006
Technical leaflet Thermostatic expansion valves, type T 2 and TE 2CapacityCapacity in kW for range N: –40°C to +10°CValve typeTS 2/TES 2 - 0.11TS 2/TES 2 - 0.21TS 2/TES 2 - 0.45TS 2/TES 2 - 0.6TS 2/TES 2 - 1.2TS 2/TES 2 - 1.7TS 2/TES 2 - 2.2TS 2/TES 2 - 2.6TS 2/TES 2 - 0.11TS 2/TES 2 - 0.21TS 2/TES 2 - 0.45TS 2/TES 2 - 0.6TS 2/TES 2 - 1.2TS 2/TES 2 - 1.7TS 2/TES 2 - 2.2TS 2/TES 2 - 2.6TS 2/TES 2 - 0.11TS 2/TES 2 - 0.21TS 2/TES 2 - 0.45TS 2/TES 2 - 0.6TS 2/TES 2 - 1.2TS 2/TES 2 - 1.7TS 2/TES 2 - 2.2TS 2/TES 2 - 2.6Orificeno.0X000102030405060X000102030405060X00010203040506Pressure drop across valve ∆p barR404A / R507Pressure drop across valve ∆p bar2 4 6 8 10 12 14 16 2 4 6 8 10 12 14 160.280.671.72.34.26.27.99.70.300.651.31.83.14.75.97.30.350.822.13.05.48.110.212.50.370.761.62.24.06.07.69.3Evaporating temperature +10°C Evaporating temperature 0°C0.400.902.33.46.09.111.414.00.420.942.43.66.49.712.214.90.430.962.53.76.610.012.515.3Evaporating temperature –10°C0.400.821.72.54.56.68.410.30.420.841.82.64.77.08.810.80.420.871.82.74.87.19.011.0Evaporating temperature –30°C0.350.671.21.62.94.35.56.70.370.701.21.73.04.55.76.90.360.701.21.73.14.55.77.00.430.962.53.76.710.012.615.30.420.871.92.74.87.29.111.10.370.701.21.73.14.55.77.00.420.932.43.76.69.812.315.10.410.851.82.74.87.19.011.00.360.691.21.73.04.55.76.90.410.902.33.66.49.612.014.70.410.831.82.64.76.98.710.70.350.671.21.62.94.45.56.80.300.681.52.13.75.57.08.60.370.801.92.64.77.18.910.90.350.701.31.93.34.96.27.60.410.872.03.05.37.910.012.20.420.902.13.15.68.310.512.90.430.922.23.25.88.610.813.20.430.932.23.35.88.610.913.3Evaporating temperature –20°C0.380.751.52.03.75.46.98.40.400.771.52.13.85.67.28.80.390.791.52.23.95.87.38.90.400.791.52.23.95.87.38.9Evaporating temperature –40°C0.320.600.921.32.33.34.35.20.330.610.961.32.43.54.45.40.330.620.971.32.43.54.55.50.330.610.961.32.43.54.45.40.430.912.23.25.78.510.813.10.390.791.52.23.95.77.28.80.320.600.941.32.33.44.45.30.410.872.13.15.68.310.412.70.380.761.52.13.85.67.18.60.320.590.911.22.23.34.25.2Capacity in kW for range B: –60°C to –25°CValve typeTS 2/TES 2 - 0.21TS 2/TES 2 - 0.45TS 2/TES 2 - 0.6TS 2/TES 2 - 1.0TS 2/TES 2 - 1.4TS 2/TES 2 - 1.7TS 2/TES 2 - 1.9TS 2/TES 2 - 0.21TS 2/TES 2 - 0.45TS 2/TES 2 - 0.6TS 2/TES 2 - 1.0TS 2/TES 2 - 1.4TS 2/TES 2 - 1.7TS 2/TES 2 - 1.9TS 2/TES 2 - 0.21TS 2/TES 2 - 0.45TS 2/TES 2 - 0.6TS 2/TES 2 - 1.0TS 2/TES 2 - 1.4TS 2/TES 2 - 1.7TS 2/TES 2 - 1.9Orificeno.000102030405060001020304050600010203040506Pressure drop across valve ∆p barPressure drop across valve ∆p bar2 4 6 8 10 12 14 16 2 4 6 8 10 12 14 160.570.981.32.43.54.45.40.671.21.73.04.45.66.80.560.851.22.13.03.94.7Evaporating temperature –25°C0.721.31.83.34.86.17.50.731.51.93.45.06.47.80.741.41.93.55.16.57.9Evaporating temperature –40°C0.600.921.32.33.34.35.20.610.961.32.43.54.45.40.620.971.32.43.54.55.5Evaporating temperature –60°C0.460.580.781.42.02.63.20.480.600.801.42.12.73.30.470.600.801.42.12.73.30.851.41.93.55.16.57.90.610.961.32.43.54.45.50.450.580.781.42.12.73.30.741.41.93.45.16.47.90.600.941.32.33.44.45.30.450.560.751.42.02.63.20.711.311.93.34.96.37.60.590.911.22.23.34.25.20.430.540.721.32.02.53.10.530.881.22.13.13.94.80.641.071.52.73.94.96.10.490.510.911.62.43.03.7Evaporating temperature –30°C0.671.21.62.94.35.56.70.701.21.73.04.55.76.90.701.21.73.14.55.77.00.701.21.73.14.55.77.0Evaporating temperature –50°C0.530.570.991.82.63.34.00.540.601.01.82.73.44.20.540.601.01.82.73.54.20.530.601.01.82.73.44.20.691.21.73.04.55.76.90.520.600.981.82.63.44.10.671.21.62.94.45.56.80.500.590.951.72.63.34.0Correctionfor subcooling ∆t subNote:Insufficient subcooling can produceflash gas.The evaporator capacities used must becorrected if subcooling deviates from 4 K.The corrected capacity can be obtained bydividing the required evaporator capacity by thecorrection factor below. Selections can then bemade from the tables above.∆t u 4 K 10 K 15 K 20 K 25 K 30 K 35 K 40 K 45 K 50 KCorrection factor 1.00 1.10 1.20 1.29 1.37 1.46 1.54 1.63 1.70 1.78© Danfoss A/S (AC-DSL / SKT), 12 - 2006 DKRCC.PD.AA0.A2.02 / 520H1659 9
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Thermostatic expansion valves, type T 2 and TE 2 - Imimg

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