Is R123 A Low Pressure Refrigerant?
Is R123 A Low Pressure Refrigerant? For environmental reasons, R-123 is now the low pressure centrifugal refrigerant of choice. Which refrigerants are low pressure? Low-pressure appliance means an appliance that uses a refrigerant with a liquid phase saturation pressure below 45 psia at 104 °F. Examples include but are not limited to appliances using R-11,