query calculateSinglePhaseDual {
  calculateSinglePhaseDuals(
    request: {
      inputs: {
      calculationMethod: DESIGN,
    selectedFluidSide1: {
      fluidId: 53,
      isGas: false,
      inputValue: null
    },
    selectedFluidSide2: {
      fluidId: 53,
      isGas: false,
      inputValue: null
    },
    coCurrent: false,
    selectedHeatExchangers: [
      {
        heatExchangerInputType: PARENT,
        id: 166
      },
      {
        heatExchangerInputType: PARENT,
        id: 38
      },
      {
        heatExchangerInputType: PARENT,
        id: 185
      }
    ],
    heatLoadSide1A: {
      amount: 250,
      unit: KILOWATT
    },
    heatLoadSide1B: {
      amount: 250,
      unit: KILOWATT
    },
    heatLoadSide2: {
      amount: 500,
      unit: KILOWATT
    },
    inletTemperatureSide1A: {
      amount: 80,
      unit: DEGREE_CELSIUS
    },
    inletTemperatureSide1B: {
      amount: 80,
      unit: DEGREE_CELSIUS
    },
    inletTemperatureSide2: {
      amount: 30,
      unit: DEGREE_CELSIUS
    },
    outletTemperatureSide1A: {
      amount: 40,
      unit: DEGREE_CELSIUS
    },
    outletTemperatureSide1B: {
      amount: 40,
      unit: DEGREE_CELSIUS
    },
    outletTemperatureSide2: {
      amount: 60,
      unit: DEGREE_CELSIUS
    },
    flowSide1A: null,
    flowSide1B: null,
    flowSide2: null,
    maxPressureDropSide1A: {
      amount: 50,
      unit: KILO_PASCAL
    },
    maxPressureDropSide1B: {
      amount: 50,
      unit: KILO_PASCAL
    },
    maxPressureDropSide2: {
      amount: 50,
      unit: KILO_PASCAL
    },
    numberOfPlates: null,
    oversurface: null,
    autoperformance: false
      }
    }
  ) {
    calculationResult {
      calculatedHeatExchangers {
        calculatedHeatExchanger {
          modelName
          modelId
        }
      }
    }
  }
}