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Oil cooler and its technical applications in Industry

Updated on August 8, 2016

Forming a fundamental part of any industrial machine or engine, the cooling system is the key to the smooth running and life duration of the machine or engine. In an engine, the cooling system is designed as a sealed system with the engine coolant held under pressure. It is important to keep moving parts lubricated and it is also important that the lubricating oil used is kept cool. The optimum operating temperature for oil to avoid it breaking down is around 180°F.The process of cooling by oil is common, where the oil takes the heat from the object it is cooling, it can then pass through an oil cooler where it is cooled (a type of radiator shape) before returning to the system to cool the object again in a constant loop. Oil has a higher boiling point than water, so it can cool items with quite a high operating temperature.

Oil Coolers in Automotives

This is most common in higher-performance motorcycle engines. The cylinder head requires additional cooling and benefits from the already existing oil lubrication system to use the same oil as a coolant. In this instance a greater quantity of oil is required in the total system to allow for both cooling and lubrication.

Oil Coolers in Industry

The choice of oil as a coolant in industry is common when there is no access to water for cooling purposes or where environmental conditions mean that water as a coolant could be subject to freezing, or indeed in remote locations where cooling with water is simply impractical. Combination Air and Oil Coolers are common.

Industrial machinery inherently produces a lot of heat, generated by hydraulics, tooling machines and so on, and often oil coolers are built into the overall process system. Oil coolers are preferred since in manufacturing, water cooling presents some corrosive issues and the need to add additional chemicals to avoid furring.

Features to consider when choosing

  1. Mounting options
  2. Flow Range
  3. Direction of Flow
  4. Tube Size
  5. Noise of operation
  6. Compactness
  7. Choice of Voltage Settings
  8. Ventilation available or not


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