... exchange,on the stn the stucture, inside the radiator tube,it have another finned, can aggrandize ... the area of radiator, expedite the heat exchange, by the action of the fan, the air can ... the low cost and the high efficiency of radiator.is thor.is the best heat exchanger ... of flow60L/minWorking pressure≤2MPaFan power48W Fan voltageAC110V/AC220V/380V/12V/24V Air-cooled oil cooler with built- ...