The oil and air in the air compressor will be very hot due to friction and compression. In order not to affect the normal operation of the air compressor, we need to use a heat exchanger to cool the lubricating oil and compressed air. 
Aida supplies both wind-cooled and water-cooled replacement oil coolers and aftercoolers for most compressor brands. This needs to be selected according to your air compressor model.
If you are not sure about the part you want, or can't find the part number, please call us at +0086 15137376132 or send an email to amy@aida-machinery.com today, we will provide you with reliable help.