A brewing system for every need.  Create freshbrew coffee and real Espresso with the CoEx® brewer with its patented pressure switch.


CoEx® is a unique brewer, developed and patented by de Jong DUKE. It is the only brewer in the world that allows you to make two distinctly different coffees, with just one machine;

  • Fresh brew coffee, at 1-8 bar pressure
  • Espresso, at 8-10 bar pressure

The unique pressure switch that makes this possible is a patented product. Besides the high quality and unique patent, the CoEx® offers many more advantages that put coffee machines with a CoEx® brewer in a league of their own.

CoEx® characteristics

  • Paperless
  • Easy maintenance
  • Variable volume
  • Reliable mechanism
  • Up to 20% less product dosage
  • Easy removable filter screen
  • Fresh brew coffee & espresso with just one machine
  • Complete unit can be cleaned in (hot) water or a dishwasher
  • Easy handling due to ergonomic design
  • Simple removable filterbracket

Technical specs

  • Patented pressure switch
  • Unique waterinjection
  • Adjustable brew chamber
  • Pressure variable between 1.5 and 12.0 Bar
  • Automatic internal switch for low & high pressure
  • Variable & adjustable extraction-room
  • Gram throw: 5 to 11.5 grams
  • No use of O-rings
  • Lubrication not required

More information

Would you like to learn more about our components? Then contact us or let us contact you.

Contact me

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de Jong DUKE LLC (North America) 
12680 Delta Street                +1 734 403 1708
Taylor, MI, 48180

de Jong DUKE (international)
Marisstraat 2                  +31 184 209 767
3364 AZ Sliedrecht
The Netherlands

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