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APPLICATION EXAMPLEElectronic expansion valveUKV‒FCOMPRESSORACCUMULATORHEATING CYCLECOOLING CYCLEOUTDOOR UNITExpansion ValveCheck ValveINDOOR UNITEElectronic expansion valveUKV‒FExpansion ValveCheck ValveEEEV1EEV2HEATEXCHANGERHEATEXCHANGERUnit: mmELECTRONIC EXPANSION VALVESHigh Volume OEM Item Type UKV–FGENERAL DESCRIPTION•Application: Residential air conditioner, etc.•Refrigerant: R22, R134a, R404A, R407C, R410A•With internal check valve function.•High cool down capability.•Quick response.•Less energy consumption.SPECIFICATIONSMax. working pressure:4.2 MPa {42kgf/cm2}Valve operating pulse range: 0 to 500 pulse, 1–2 phase excitation.Type UKV–FHigh Volume OEM Item・Capacity: Based on CT = 38°C, ET = 5°C, SC = 0°C and SH = 0°CCatalog No.PortSize(φmm)Capacity(U.S.R.T.) {kW}Connection (Solder)(mm)Operating PressureDifferential (MPa) {kgf/cm2}Cv ValueFlow DirectionA to BFull opening positionWt.(kg)Flow DirectionR22R134aR404AR407CR410AB sideA sideB to AA to BUKV–F19D1.92.9 {10.3}2.3 {8.1}2.1 {7.3}3.0 {10.6}3.4 {12.1}φ7.94 ODφ7.94 OD0 to 3.3{0 to 33}N/A0.470.05UKV–F25D2.54.7 {16.5}3.7 {12.9}3.3 {11.6}4.8 {16.9}5.5 {19.4}TYPE NUMBER SELECTIONType UKV–F – With internal check valve functionCoilRated Voltage & CurrentWt.(kg)12V DC…260mA/Phase0.13DIMENSIONSB SideConn.47ABA SideConn.(47)(43)(32)(99)50ABCatalog No.ABUKV–F19Dφ7.94UKV–F25DB→A: Flow when the valve works as an expansion valve.A→B: Flow when the valve works as a tube.COOLING CYCLE EEV1: Flow when the valve works as a tube. EEV2: Flow when the valve works as an expansion valve.HEATING CYCLE EEV1: Flow when the valve works as an expansion valve EEV2: Flow when the valve works as a tube.

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