Freezing followed by sublimation drying under vacuum.
The product is frozen and then held under vacuum so that ice sublimes directly into vapor. The vapor is captured on the low-temperature condenser while controlled shelf heating supplies the energy required for sublimation and final drying.

| Model | 0.5 | 1 | 2 | 3 | 5 | 8 | 10 | 12 | 15 | 20 | 25 | 30 | 35 | 40 | 50 |
| Drying Chamber Dimensions (Φ×L) (m) | 0.5×0.5 | 0.7×0.7 | 0.8×0.9 | 0.9×1.0 | 1.0×1.2 | 1.1×1.5 | 1.2×1.5 | 1.3×1.7 | 1.3×1.9 | 1.4×1.9 | 1.5×2.3 | 1.5×2.3 | 1.6×2.3 | 1.7×2.5 | 1.8×2.5 |
| Effective Shelf Area (m²) | 0.5 | 0.7 | 2 | 3 | 5 | 8 | 10 | 12 | 15 | 20 | 25 | 30 | 35 | 40 | 50 |
| Shelf Operating Temperature (°C) | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 | −35 to 60 |
| Shelf Temperature Uniformity (°C) | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 |
| Condenser Temperature (°C) | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 | −50 to −60 |
| Condenser Ice Capacity (kg) | 7 | 12 | 25 | 40 | 60 | 100 | 120 | 150 | 200 | 250 | 300 | 350 | 400 | 550 | 700 |
| Maximum Chamber Vacuum (Pa) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 9 | 13 |
| Cooling-Water Flow (<25°C) (t/h) | 1 | 2 | 3 | 5 | 5 | 8 | 8 | 10 | 10 | 15 | 20 | 25 | 25 | 35 | 40 |
| Defrosting Method | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing | Steam + water flushing |
| Operating Environment | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% | Temperature 5–30°C; relative humidity <75% |
| Total Power (kW) | 15 | 18 | 22 | 25 | 28 | 33 | 40 | 45 | 50 | 60 | 70 | 90 | 110 | 130 | 150 |
| Installation Area × Height (m²×m) | 4×2 | 8×2.5 | 15×2.5 | 20×2.5 | 25×2.5 | 30×2.5 | 35×2.5 | 40×2.5 | 40×2.5 | 45×2.5 | 45×2.5 | 50×2.5 | 50×2.5 | 60×2.5 | 60×2.5 |