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

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Technical leaflet <strong>Thermostatic</strong> <strong>expansion</strong> <strong>valves</strong>, <strong>type</strong> T 2 <strong>and</strong> <strong>TE</strong> 2CapacityCapacity in kW for range N: –40°C to +10°CValve <strong>type</strong>TX 2/<strong>TE</strong>X 2-0.15TX 2/<strong>TE</strong>X 2-0.3TX 2/<strong>TE</strong>X 2-0.7TX 2/<strong>TE</strong>X 2-1.0TX 2/<strong>TE</strong>X 2-1.5TX 2/<strong>TE</strong>X 2-2.3TX 2/<strong>TE</strong>X 2-3.0TX 2/<strong>TE</strong>X 2-4.5TX 2/<strong>TE</strong>X 2-0.15TX 2/<strong>TE</strong>X 2-0.3TX 2/<strong>TE</strong>X 2-0.7TX 2/<strong>TE</strong>X 2-1.0TX 2/<strong>TE</strong>X 2-1.5TX 2/<strong>TE</strong>X 2-2.3TX 2/<strong>TE</strong>X 2-3.0TX 2/<strong>TE</strong>X 2-4.5TX 2/<strong>TE</strong>X 2-0.15TX 2/<strong>TE</strong>X 2-0.3TX 2/<strong>TE</strong>X 2-0.7TX 2/<strong>TE</strong>X 2-1.0TX 2/<strong>TE</strong>X 2-1.5TX 2/<strong>TE</strong>X 2-2.3TX 2/<strong>TE</strong>X 2-3.0TX 2/<strong>TE</strong>X 2-4.5Orificeno.0X000102030405060X000102030405060X00010203040506Pressure drop across valve ∆p barPressure drop across valve ∆p barR222 4 6 8 10 12 14 16 2 4 6 8 10 12 14 160.370.872.23.05.48.110.212.60.370.791.62.23.95.87.49.10.481.12.84.07.210.813.616.70.470.962.02.95.17.69.611.80.400.791.41.93.45.06.47.8Evaporating temperature +10°C Evaporating temperature 0°C0.551.23.24.78.312.515.719.30.601.33.45.19.113.817.221.00.631.43.65.49.714.518.322.3Evaporating temperature –10°C0.531.12.33.35.98.711.013.50.571.22.53.66.49.512.014.70.601.22.63.86.810.112.815.6Evaporating temperature –30°C0.450.901.52.23.95.77.28.80.490.961.72.74.26.27.89.60.521.01.82.54.46.58.310.10.651.43.75.610.015.018.923.10.631.32.74.07.110.513.316.20.551.11.82.64.66.88.610.50.651.43.85.810.215.419.323.50.641.32.84.17.310.813.616.60.561.11.92.64.77.08.810.80.671.53.85.810.315.519.523.70.641.32.84.17.310.913.816.80.571.11.92.74.87.19.011.00.370.841.92.64.66.98.810.80.481.02.43.46.19.111.614.20.440.881.72.44.26.27.99.60.551.22.74.07.110.513.316.30.591.33.04.37.811.514.617.80.631.33.14.68.212.215.518.90.651.43.24.88.512.716.119.6Evaporating temperature –20°C0.501.01.92.74.87.19.011.00.541.12.02.95.27.79.811.90.571.12.23.15.58.210.312.60.591.22.33.25.88.510.813.1Evaporating temperature –40°C0.420.801.31.73.14.65.87.10.450.861.41.93.44.96.37.70.480.921.42.03.55.26.68.10.500.951.52.03.75.46.98.40.661.43.34.98.713.016.420.00.611.22.33.35.98.711.013.50.520.981.52.13.85.67.18.70.661.43.35.08.813.216.620.20.611.22.33.36.08.811.213.70.530.991.62.13.85.77.28.8Capacity in kW for range B: –60°C to –25°CValve <strong>type</strong>TX 2/<strong>TE</strong>X 2-0.2TX 2/<strong>TE</strong>X 2-0.3TX 2/<strong>TE</strong>X 2-0.6TX 2/<strong>TE</strong>X 2-0.8TX 2/<strong>TE</strong>X 2-1.2TX 2/<strong>TE</strong>X 2-1.5TX 2/<strong>TE</strong>X 2-2.0TX 2/<strong>TE</strong>X 2-0.2TX 2/<strong>TE</strong>X 2-0.3TX 2/<strong>TE</strong>X 2-0.6TX 2/<strong>TE</strong>X 2-0.8TX 2/<strong>TE</strong>X 2-1.2TX 2/<strong>TE</strong>X 2-1.5TX 2/<strong>TE</strong>X 2-2.0TX 2/<strong>TE</strong>X 2-0.2TX 2/<strong>TE</strong>X 2-0.3TX 2/<strong>TE</strong>X 2-0.6TX 2/<strong>TE</strong>X 2-0.8TX 2/<strong>TE</strong>X 2-1.2TX 2/<strong>TE</strong>X 2-1.5TX 2/<strong>TE</strong>X 2-2.0Orificeno.000102030405060001020304050600010203040506Pressure drop across valve ∆p barPressure drop across valve ∆p bar2 4 6 8 10 12 14 16 2 4 6 8 10 12 14 160.691.21.73.04.45.66.80.600.901.22.23.24.15.00.500.640.91.62.22.93.50.831.52.13.85.67.18.70.711.11.62.84.05.16.30.600.791.11.92.83.64.4Evaporating temperature –25°C0.941.72.44.36.48.19.81.01.92.64.76.98.710.71.12.02.85.07.39.311.3Evaporating temperature –40°C0.801.31.73.14.65.87.10.861.41.93.44.96.37.70.921.42.03.55.26.68.1Evaporating temperature –60°C0.660.881.22.23.14.04.90.710.951.32.33.44.35.30.751.01.42.43.64.65.61.12.02.95.27.69.611.80.951.52.13.75.46.98.40.771.01.42.53.74.85.81.12.12.95.37.89.912.10.981.52.13.85.67.18.70.791.11.42.63.84.96.01.22.13.05.37.910.012.30.991.62.13.85.77.28.80.801.11.42.63.95.06.10.661.11.52.73.95.06.10.540.741.01.82.63.44.10.791.41.93.45.06.47.80.650.921.32.33.34.25.1Evaporating temperature –30°C0.891.52.23.95.77.28.80.961.72.34.26.27.89.61.01.82.54.46.58.310.11.11.82.64.66.88.610.5Evaporating temperature –50°C0.721.01.42.63.74.75.80.781.11.52.74.05.16.20.821.21.62.94.25.46.60.851.21.73.04.45.66.91.11.92.64.77.08.810.80.871.31.73.14.55.87.11.11.92.74.87.19.011.00.881.31.73.14.65.97.2Correctionfor 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 1.06 1.11 1.15 1.20 1.25 1.30 1.35 1.39 1.44ExampleRefrigerant = R22Evaporator capacity Q e= 5 kWSubcooling = 10 KCorrection factor from table = 1.06Corrected capacity = 5 : 1.06 = 4.72 kW DKRCC.PD.AA0.A2.02 / 520H1659 © Danfoss A/S (AC-DSL / SKT), 12 - 2006

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