... transfer, greatly increase the contacting area between oil and air, make the high temperature of oil to release heat ... backpressure, and reduce air contacting area to result in low heat exchange efficiency . However, AH series oil cooler with the minimum ... DC24V20BAR700WAH2431T-CA450L/minAC380V/ DC24V20BAR700WAH3818T-CA600L/minAC380V/ DC24V20BAR 1415W Air cooler heat exchange, hydraulic air oil Cooler