Probat - Probat GP12

Applications & Use Cases

• Artisan coffee shops and micro-roasteries requiring batch roasting.
• Speciality coffee businesses expanding their in-house roasting capabilities.
• Pilot plants for coffee bean suppliers and importers.
• Educational institutions for coffee roasting training.
• Small to medium-scale food processing operations for nut or grain roasting (with appropriate modifications).

Typical Specifications

Typical batch capacity

For this model, green bean batch capacities commonly range from 10kg to 12kg.

Throughput

Units of this class typically achieve 3-4 roasts per hour, depending on the desired roast profile and operator efficiency.

Heating method

Probat GP series roasters commonly utilise gas burners; this unit is specified for Propane, but natural gas configurations are also typical.

Power supply

A 3-phase electrical connection is typically required for the motor and controls on roasters of this size.

Drum type

Double-walled cast iron drums are a common feature, providing consistent heat transfer and retention.

Control type

GP series units from this era are typically manual roasters, offering operators direct control over the roasting process.

Chaff collection

An integrated chaff collector, often located beneath the cooling tray, is standard for this class of equipment.

Frequently Asked Questions

• What maintenance is typically required for a used Probat GP12?

  Regular cleaning of the drum, cooling tray, and chaff collector is essential. Periodic inspection of burners, gas lines, electrical connections, and moving parts for wear is also recommended. Maintenance schedules should be established based on usage.

• Can this roaster be converted to natural gas if currently set up for Propane?

• What is the typical footprint of a Probat GP12?

• Are spare parts readily available for a Probat GP12 of this vintage?

• What level of experience is needed to operate a manual roaster like the GP12?