- Typical batch capacity
- For this model class, batch capacities commonly range from 1kg to 3kg.
- Power supply
- Units of this type typically operate on a 3-phase electrical supply, often 400V, with gas for the burner.
- Heating method
- Commonly features an atmospheric gas burner for consistent heat application.
- Drum type
- Often incorporates a double-walled drum, typically made with cast iron components, for optimal heat retention and distribution.
- Cooling system
- Typically includes a separate cooling tray with its own fan to rapidly cool roasted beans.
- Chaff collection
- Units are generally fitted with an integrated or separate cyclone for efficient chaff separation.
- Control system
- Manual damper control for airflow and digital temperature displays for bean and exhaust temperatures are commonly found.
- Motor configuration
- Often features multiple direct-drive IE2 motors for drum, cooling tray, and fan operations.