Plate type heat exchanger can be classified into two sorts, 1)Plate type cooler, 2) Plate type heater. Plate type cooler is used in cooling or lubricating oil/fresh water/acid or alkali medium of dynamic equipment;Plate type heater is used in heating of fresh water/oil/drinking water. Plate heat exchanger enjoys advantages of compact shape, small size and convenient maintenance.Different corrugation (ripple/level/invertedV/diagonal) and good performance are dicided with heat transmission of plate type heat exchanger. http://ekaship.com/air-cooler/plate-type-heat-exchanger/