... ,Fan voltage:AC220V AF series productions especialy useialy use the aluminium material of the weight is light, aseismatic, the high efficiency ... , finned, can aggrandize the area of radiator, expedite the heat he heat exchange, by the action of the fan, the air can ... cost and the high efficiency of radiator.is the best heat exchanger in the market. scope of application:oil pressure system,lubrication ...