ASHRAE Handbook98.R45stxt REFRIGERANT-CONTROL DEVICES

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1、CHAPTER45REFRIGERANT-CONTROLDEVICESCONTROLSWITCHES...........................................................45.1SuctionPressureRegulators.................................................45.12PressureControlSwitches......................................................45.1CondenserPressureRegulat

2、ors............................................45.13PressureTransducers.............................................................45.2High-SideFloatValves.........................................................45.13TemperatureControlSwitches...............................................45.2Lo

3、w-SideFloatValves..........................................................45.14FluidFlow-SensingSwitches..................................................45.2SolenoidValves.....................................................................45.14DifferentialControlSwitches.......................

4、..........................45.2CondensingWaterRegulators..............................................45.18FloatSwitches.........................................................................45.3CheckValves.........................................................................45.19CONTROLVALVE

5、S...............................................................45.4ThermostaticExpansionValves..............................................45.4ReliefDevices........................................................................45.19ElectricExpansionValves.......................................

6、...............45.9DISCHARGE-LINELUBRICANTSEPARATORS................45.21ConstantPressureExpansionValves.....................................45.9CAPILLARYTUBES.............................................................45.21EvaporatorPressureandTemperatureRegulators..............45.10SHORTTUBERE

7、STRICTORS.............................................45.27THEcontrolofrefrigerantflowisessentialinanyrefrigera-PRESSURECONTROLSWITCHEStionsystem.ThesectiononControlSwitchesdetailscontrolswitches,including(1)pressureco