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Storage

Specialty Silos

The specialty silos are an excellent choice to give your small to medium-sized roastery a significant capacity upgrade. Both your green and roasted coffee beans can be efficiently stored in the silos without compromising on design and authentic appearance.

  • Store your green and roasted coffee
  • Easy handling with the vacuum transport system
  • Multiple sizes and configurations available
Giesen specialty silos for green coffee and roasted beans
Giesen W6 series.

Up to 24 kg / h.

With a 6-kilo capacity per batch and up to 24 kilos per hour, Giesen W6 series roasters deliver efficiency and consistency. Perfectly balanced for professionals who demand both quality and volume.

The ultimate centerpiece for your coffee shop. Designed to perfection, it offers the flexibility of full-control manual roasting alongside the convenience of fully automatic roasting. Handcrafted in the Netherlands and shipped worldwide.

W6seriesRender
Modular and modern.

Fitted to your needs

The specialty silos are modular. This means that you can choose one, two or three segments per silo depending on your location and the desired capacity of the silo. Each additional segment represents a specific increase in capacity.
Close up of Giesen coffee silos
Tailor your silos.

Efficient and convenient

There are many options available to customize the silos to your needs—choose your preferred RAL color, add a mobile cart or a suction lance—the possibilities are endless. Each segment features two sight glasses, giving you a clear view of the fill level inside the silos. Thanks to the integrated vacuum transport system, filling the silos is both quick and effortless.

Three Giesen coffee silos for specialty coffee roasting
Dimensions
1 segment
  • Height: 2225 mm
  • Diameter: 632 mm

2 segments
  • Height: 2950 mm
  • Diameter: 632 mm

3 segments
  • Height: 3675 mm
  • Diameter: 632 mm
Capacity
1 segment
  • Green coffee capacity: 175 kg
  • Roasted coffee capacity: 95 kg
  • Capacity: 0,26 m³ / 263 liters

2 segments
  • Green coffee capacity: 330 kg
  • Roasted coffee capacity: 175 kg
  • Capacity: 0,49 m³ / 489 liters

3 segments
  • Green coffee capacity: 485 kg
  • Roasted coffee capacity: 255 kg
  • Capacity: 0,71 m³ / 714 liters
The serious stuff.

Technical data.

If you need any further technical information that you can't find on this page, please contact us. We will be happy to help you!

Temperature control

Giesen roasters combine advanced temperature control with cutting-edge automation, ensuring consistency and ease in every roast. With features like automatic mode and burner percentage control, you have the tools to master your craft and achieve unparalleled results.

Airflow control

Giesen roasters feature advanced airflow control, allowing you to fine-tune the roasting environment to achieve your desired flavor profiles. By adjusting the underpressure settings, you can influence the heat transfer and development of your beans.

Drumspeed control Giesen roasters feature adjustable drum speed control, empowering you to perfect your roasting process. By modifying the drum's revolutions per minute (RPM), you can balance conductive and convective heat transfer, ensuring uniform bean development.
General specifications

Measurements
W6A - 1427 (L) x 723 (W) x 1705 (H)
W6E - 1410 (L) x 723 (W) x 1705 (H)
W6A Pro - 1623 (L) x 2414 (W) x 1944 (H)

Weights
W6A - 485 kg (roaster only)
W6E - 496 kg (roaster only)
W6A Pro - 600 kg (roaster only)

Minimum batch size
W6A - 3 kg
W6E - 3 kg
W6A Pro - 3,5 kg

Maximum batch size
W6A - 6 kg
W6E - 6 kg
W6A Pro - 7 kg

Sound level
W6A - 70 dB (A)
W6E - 70 dB (A)
W6A Pro - 70 dB (A)

Electrical specifications

Supply voltage
W6A - 230V AC (1L+N+PE)
W6E - 400 V AC (3L+N+PE)
W6A Pro - 230V AC (1L+N+PE)

External fusing
W6A - 1 x 16A
W6E - 3 x 32A
W6A Pro - 1 x 16A

Max. electrical power
W6A - 1,7 kW
W6E - 17 kW
W6A Pro - 2,5 kW
Keep in mind that this is the absolute maximum power consumption. Actual average usage will be much lower.

Ranges

Underpressure range
80 - 150 Pa (min. - max.)
Default value: 110 Pa

Drum speed range
36 - 51 Hz (min. - max.)
Default value: 46 Hz

Temperature setpoint range
100 - 250 °C (min. - max.)
Default value: 200 °C