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Advantages

  • Maximum Reproducibility

    The precise control of the air volume flow and the supply air temperature enables a controlled energy input into the coffee beans and guarantees reproducible roasting results.

    rendering of Thermocouple
  • Maximum Quality

    The movement of the coffee beans on defined paths guarantees even mixing of the coffee beans and a homogeneous bean pattern.

    Rendering of a Roasting Drum of a G90 Coffee Roaster
  • Maximum Aroma Flexibility

    The optional manual control of the air volume flow using the so-called aroma wheel enables maximum flexibility when developing different aroma profiles (G45 only).

    3d rendering of Aroma Wheel
  • Maximum Individuality

    The customization of different design parts rounds off the classic look of the roasting machines and makes each one unique.

    Rendering of a Front Casting of a G90 Coffee Roaster

Built to solve. Designed to deliver.

With their round contours and clean lines, the PROBAT G Series roasters are as visually striking as they are technically advanced. Designed for medium-sized roasting operations, these machines combine a sophisticated design with exceptional roasting performance, making them the perfect choice for businesses that value form and function equally.

With batch sizes ranging from 45 to 150 kg, the G Series consistently produces high-quality roasting results. Heat is transferred primarily via convection, with a controlled flow of hot air supplied through the rotating drum. This method delivers uniform bean development and excellent reproducibility across batches.

For added flexibility, the G45 model — visually aligned with the iconic UG series — offers manual airflow control, enabling roasters to create unique profiles and fine-tune flavour development. Standard features across all G models include the automatic emptying of the bean container, roasting drum and cooling sieve, which streamlines workflow and boosts efficiency.

rendering of G90 Coffee Roaster

Versions

 Roasting time
[min]
Roasting capacity
[kg/h]
Batch capacity [kg]ProductsHeating
G 4510–20100–15020–55Coffee, cocoa, nutsNatural gas, propane, hydrogen
G 6010–20100–19520–65Coffee, cocoa, nutsNatural gas, propane, hydrogen
G 7510–20125–24025–80Coffee, cocoa, nutsNatural gas, propane, hydrogen
G 9010–20150–28530–95Coffee, cocoa, nutsNatural gas, propane, hydrogen
G 12010–20240–36060–120Coffee, cocoa, nutsNatural gas, propane, hydrogen
G 15010–20240–45060–150Coffee, cocoa, nutsNatural gas, propane, hydrogen

* This information refers to coffee and varies depending on the processed product

3d rendering of G Series Product Line

SOFTWARE

SERVICE

ENVIRONMENTAL TECHNOLOGIES

SMARTER SYSTEMS – BETTER COFFEE PROCESSING WITH INTELLIGENT SENSOR TECHNOLOGY

SMARTER SYSTEMS – BETTER COCOA PROCESSING WITH INTELLIGENT SENSOR TECHNOLOGY

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