
Roaster
Neuhaus Neotec - Maestro Drum Roaster
Manufacturer: Neuhaus Neotec
Drum roaster with unique roasting profile flexibility
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Precision hot-air fluidised-bed roasting
Roaster
A hot-air fluidised-bed roaster with no moving parts in the process chamber — the RFB series roasts 60 to 450 kg batches at approximately 2,000 to 4,000 kg/h, with direct in-layer temperature control and unmatched batch reproducibility.
The RFB Roaster is Neuhaus Neotec's rotating-fluidised-bed hot-air roasting series, available in five industrial models — RFB 200, 250, 300, 350 and 400 — with nominal capacities from approximately 2,000 to 4,000 kg/hour and batch sizes from 60 to 450 kg. Hot air fluidises the bean bed, so there are no moving parts in the process chambers; product temperature is measured directly in the coffee layer for rapid, precise adjustment and unmatched reproducibility of every batch. Loading is flexible from 30% to 110% of batch size, with short roasting times from about 1.5 minutes. A closed roasting gas circuit keeps energy consumption low, water quenching is used only in the cooling chamber, and redundant temperature monitoring with a wide-modulation burner and multiple safety sensors ensures safe, high-availability operation with durable, low-maintenance chambers. It supports both traditional and exceptional roast profiles and interfaces with CROPSTER and ARTISAN.
Manufactured by Neuhaus Neotec in Germany, part of the KAHL Group.
| Loading flexibility | 30–110% of batch size |
| Roasting time | from ≥1.5 minutes |
| Technology | RFB hot-air (fluidised bed), no moving parts in the process chambers |
| Temperature control | direct measurement in the coffee layer |
| Heating | closed roasting gas circuit with wide-modulation burner |
| Cooling | water quenching in the cooling chamber only |
| Safety | redundant temperature monitoring and multiple safety sensors |
| Software | CROPSTER and ARTISAN interfaces. |
| Model | Batch size | Roasting capacity |
|---|---|---|
| RFB 200 | 60–240 kg | approx. 2,000 kg/h |
| RFB 250 | 80–290 kg | approx. 2,500 kg/h |
| RFB 300 | 90–340 kg | approx. 3,000 kg/h |
| RFB 350 | 100–395 kg | approx. 3,500 kg/h |
| RFB 400 | 110–450 kg | approx. 4,000 kg/h |

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