1621700908 Intercooler Core 1621700808 Aftercooler Core For ZR Atlas Copco Compressor

Intercooler and aftercooler cores in Atlas Copco ZR series compressors are responsible for controlling air temperature between compression stages and at final discharge. Core assemblies such as 1621700908 and 1621700808 are applied where maintaining thermal stability supports efficient compression and air quality. During long-term operation, fouling and thermal stress may reduce heat transfer efficiency. From a replacement and service perspective, core replacement is preferred to localized repair to restore original cooling capacity and maintain system reliability.