Holysun offers two types of Refrigerated Air Dryer: 1). Air-cooling refrigerated air dryer Inlet temperature: Normal inlet temperature: less than 45 celsius degree High inlet temperature: less than 80 celsius degree Cooling method: Air-cooling Ambient temperature: less than 38 celsius degree Dew point: 2~10 celsius degree Refrigerant: R-22 /R-134a Inlet pressure: 0.2~1.0MPa Pressure drop: less than 0.02MPa 2). Water-cooling refrigerated air dryer Inlet temperature: Normal inlet temperature: less than 45 celsius degree High inlet temperature: less than 80 celsius degree Cooling method: Water-cooling Dew point: 2~10 celsius degree Refrigerant: R-22 /R-134a Inlet pressure: 0.2~1.0MPa Pressure drop: less than 0.02MPa Cooling water inlet temperature: less than 32 celsius degree Cooling water inlet pressure: 0.2~0.4MPa