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Oil Cooling Applications

Soldered exchangers are the type of exchanger that offers the best performance in the most efficient manner for oil cooling applications. Except in cases where the capacity is very high or the temperature is outside the working limits of these exchangers, the primary choice of exchanger for oil cooling processes is made from soldered exchangers. However, if these specified conditions exist, tubular exchangers can also be preferred. Efficient, durable, and with compact structures, MIT Soldered Heat Exchangers are covered by a 2-year warranty by Ekin Industrial.

General Features of Soldered Exchangers

The plates and connections are made of stainless steel in accordance with AISI 316 standards, and are vacuum-welded with 1.4401 copper. Special design plates that provide the turbulent flow required for effective heat transfer have a high level of mechanical resistance.


  • Water glycol (coolant)
  • Operating fluid
  • Water
  • Oil


  • The number of solid particles should be less than 10 mg per liter.
  • Particle size < 0.6 mm. (spherical)
  • Fiber-like particles can cause rapid pressure drops.

Temperature Range

  • (-196°C / 200°C) (freezing point and boiling point should be considered)


  • Maximum operating pressure: 30 bar
  • Maximum test pressure: 45 bar


  • At a pH value of 7, refer to the limits below
  • Chlorine-free, CL2 < 0.5 ppmChloride-containing, CL < 700 ppm (at 20°C), < 200 ppm (at 50°C)

Other Limits

  • pH 7 - 10
  • Sulfate SO4 2- < 100 ppm
  • [H CO3 -] / [SO4 2-] > 1
  • Ammonia, NH3 < 10 ppm

The following ions are not corrosive under normal conditions:

Phosphate, nitrate, nitrite, iron, manganese, sodium, and potassium