Water Cooled Transformer Oil Coolers

Type ONW or OFW?

Industry advances continue to drive the need for larger capacity coolers. Wabtec has developed two shell & tube external, large capacity water operated cooler systems – Type ONW (natural convection oil flow) and Type OFW (forced oil & water flow). Both types feature our unique, double concentric Leak Detector Tubes design to eliminate the risk of tube leaks.

Water Cooled Transformer Oil Cooler - ONW Type
Type ONW: Oil Natural Water

Oil Natural Water - shell & tube heat exchanger with natural oil convection on the shell side & water through the tube
Water Cooled Transformer Oil Cooler - OFW Type
Type OFW: Oil Forced Water

Oil Forced Water - shell & tube water cooled transformer oil cooler
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Wabtec Heat Transfer & Energy Solutions

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