Cubic graphite heat exchangers

Hykarb Cubic graphite heat exchanger Mersen
Hykarb Cubic graphite heat exchanger Mersen

Cubic block heat exchangers with impregnated graphite

Graphite cubic block heat exchangers are manufactured using corrosion resistant impregnated graphite and are suitable for most corrosive applications. 


  • API
  • Fine chemicals
  • H2S04 dilution
  • Interchanger for 2 corrosive fluids


Contact In

Cubic: Why Mersen ?

  • Compactness : the cubic units have a large area per unit volume
  • GMP design features : fully draining and no process to service gaskets
  • Flexible Design : Multipass arrangement, Double drilling on process side, Suitable as interchanger with corrosive fluids on both side
  • Easy maintenance: Easily dismantled for overhaul, cleaning and validation

Product information

  • Superior quality graphite is used for standard and high density HYKARB/GRAPHILOR® parts
  • 3 impregnations available
  • Single piece core blocks
  • Design temperature up to 400°C
  • Design pressure up to 10 barG

Active Pharmaceutical Ingredients (API) Customer Case

Reactor overhead condensers for the API process

Cubic graphite heat exchanger by Mersen

One of the world’s largest API producers, based in Europe, decided to modernize their Reactor Overhead Condensers, with the replacement of their old Korobon cemented graphite plate condensers.

The Mersen Cubic Block Graphite Overhead Condenser is the solution chosen by the client, due to its GMP design features, compactness, and high thermal performance.


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