Industrial coffee roaster for mid to large-scale production
Optimize your coffee’s aroma with precision control over roasting variables, ensuring consistent, high-quality batches from espresso blends to specialty Arabica beans.

Roasts and Cools Coffee Beans
The G Series from PROBAT is a versatile line of industrial drum roasters designed for coffee roasters and specialty producers aiming for precise control over coffee flavor profiles. Using the traditional drum roasting method, these machines ensure homogeneous roasting, supported by thermocouples for detailed temperature monitoring throughout the process. Capable of handling batch capacities ranging from 60 to 150 kg, this series accommodates both semi-automatic and fully automatic operations with optional touch panel controls for recipe management and data recording. The G Series allows flexibility in energy sources, including propane, natural gas, and even hydrogen, enhancing sustainability efforts. With efficient cooling systems and adaptable batch sizes, these roasters facilitate a wide range of coffee types, including espresso blends and specialty Arabica. Fully integra-table into existing coffee production lines, they support both manual and automated manufacturing settings, providing reliability and consistency in every roast. Optional features like emergency water quenching and pneumatically controlled flaps further enhance safety and operation efficiency.
Benefits
- Ensures consistent coffee quality through precise temperature control and reproducible roasting results.
- Flexible batch sizes and energy sources enhance customization and sustainability efforts.
- Integrates seamlessly into existing production lines, supporting diverse coffee types and roast profiles.
- Reduces operational downtime with efficient cooling and customizable roasting programs.
- Enhances process safety with pneumatically controlled flaps and optional emergency features.
- Applications
- Coffee beans,Roasted coffee
- End products
- Robusta coffee,Espresso blends,Arabica coffee,Coffee blends for filter brewing,Specialty coffee
- Steps before
- Green coffee loading,Pre-roasting inspections,Airflow setup
- Steps after
- Cooling,Chaff collection,Packaging
- Input ingredients
- green coffee beans
- Output ingredients
- roasted coffee
- Market info
- Probat is renowned for its expertise in manufacturing coffee processing equipment, particularly coffee roasters. The company has a strong reputation for engineering solutions in industrial coffee roasting, blending, and grinding technology.
- Batch size
- 20–150 kg
- Roasting capacity
- 100–450 kg/h
- Roasting time
- 10–20 min
- Heating
- Propane,natural gas,hydrogen
- Space requirement
- 21–44 m²
- Height
- 3.5–4.5 m
- Automation
- Manual,Semi-automatic,Fully automatic
- Control
- Thermocouples,Manual button,Touch panel
- Data collection
- Recipe management
- Temperature levels
- 12 adjustable levels
- Air volume regulation
- 1% steps
- Burner capacity regulation
- 1% steps
- Batch vs. Continuous Operation
- Batch
- Automation Level
- Manual / Semi-automatic / Fully Automatic
- Energy Source
- Propane / Natural Gas / Hydrogen
- Pneumatic Operation
- Hopper,Roasting Drum,Cooling Sieve
- Process Safety Features
- Emergency Water Quenching
- Data Logging and Recipe Management
- Thermocouple Data and Custom Recipes
- Aroma Development Flexibility
- Frequency Converters and Airflow Flaps
- Space requirement
- 21-44 m²
- Discharge method
- Pneumatic openings
- Control panel type
- Manual / Semi-automatic / Fully automatic via touch panel
- Integration possibilities
- Hydrogen-powered version,retrofit kit available
- Batch size adjustment
- 20–150 kg
- Heating options
- Propane,natural gas,hydrogen
- Design customization
- Adaptable design parts
- Safety features
- Emergency water quenching,protection cover on the cooling sieve