Plate-type heat exchanger

The plate coolers are advantageous except for their cost. Nowadays, the expensive titanium plates in plate coolers are replaced by stainless steel and aluminium brass.



  • They are smaller and lighter.
  • No extra space is needed for overhaul.
  • Plates can be added in pairs to increase capacity.
  • Cleaning and maintenance are relatively simple.
  • Turbulent flow reduces fouling.
  • There is no limit to flow velocity.
  • Each plate and the design of the gasket prevent the mixing of two liquids.
  • The plates are available in different versions of trough geometry.



  • Any leaks in the plates due to cracks are difficult to locate.
  • Joints can deteriorate and may fail due to brittleness.
  • Plates, made of titanium are expensive.
  • Over-tightening can cause permanent damage to the plates.
  • Gasketed plate heat exchangers cannot be used for high-pressure applications
  • Have pressure and temperature limitation of 20 bars and 200 Deg C.

For Advanced Read, check out:

Boiler Construction and Design

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