Barth

• Small-batch coffee roasting for independent cafes and specialty coffee shops.
• Developing roast profiles for new coffee beans.
• Producing fresh roasted coffee for local markets or online sales.
• Pilot plant operations for larger roasting businesses.

Typical capacity

This unit is specified as a 5kg roaster, suitable for small to medium batch sizes. For this class of equipment, capacities commonly range from 1kg to 15kg per batch.

Power supply

Roasters of this type typically require a gas supply for heating (in this case, Butane) and an electrical supply, commonly single-phase 230V, for motors and controls.

Heating method

This unit uses gas (Butane) for heating, which is common for smaller commercial roasters, offering responsive temperature control.

Roasting mechanism

Barth roasters typically utilise a drum roasting mechanism, where beans are tumbled in a heated drum for even roasting.

Footprint

For a 5kg roaster, the footprint is relatively compact, typically requiring a dedicated space of approximately 1.5m x 1m, plus ventilation.

Control system

Units of this vintage often feature manual or semi-automatic controls for drum speed, airflow, and burner intensity, with modern rebuilds potentially incorporating digital temperature displays.

• What is the typical output per hour for a 5kg roaster?

  A 5kg roaster, depending on roast time and cooling cycles, can typically produce between 15kg to 25kg of roasted coffee per hour, assuming multiple batches.

• Is a cyclone essential for a coffee roaster?

• What maintenance is typically required for a used Barth roaster?

• Can this roaster be converted to Natural Gas?

• What ventilation requirements are there for a coffee roaster of this size?

Used roasters are valued for their durability and cost effectiveness in food processing operations. Buyers typically prioritise even heat distribution, temperature control consistency, and robust construction when selecting secondhand units. Industry sentiment favours roasters from established manufacturers known for reliable performance. Key considerations include maintenance history, heating element condition, and capacity matching operational requirements. Well-maintained roasters often deliver dependable service across coffee roasting, nut processing, and other food applications, making them sound investments for processors seeking to minimise capital expenditure.

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