Pilot Freeze Dryer NPFD-400 offers a maximum freeze-drying area of 0.36 m² with 3+1 shelves for efficient processing. It maintains a shelf temperature range from –50 °C to 60 °C to support all drying phases. This unit provides inert gas backfilling to protect sensitive samples. It ensures accurate thermal control using silicone oil circulation. Our freeze dryer implements 3-level user access management to secure data and system operations.
| Max freeze drying area | 0.36m² |
| No. of shelves | 3+1 |
| Shelf distance | 95mm |
| Shelf temperature range | -50 to 60℃ |
| Max. ice capacity | 15 kg |
| Cold trap temperature | -85℃ (ambient ≤ 23℃) |
| Ultimate vacuum | 1Pa |
| Inert gas backfilling | 0.2μm |
| Pump speed | 4L/s |
| Hydraulic stoppering | Yes |
| Power consumption | 5kW |
| Power supply | AC220V±10%, 50Hz |
| Shelf dimension | 300×400mm |
| Chamber dimension | 434×496×441mm |
| Product dimension | 1150×795×1644mm |
| Weight | 500 kg |
Pilot Freeze Dryer NPFD-400 is used for precise freeze-drying of heat-sensitive samples to ensure long-term stability and shelf life. It is commonly used in biotechnology labs, pharmaceutical research centers, and food testing facilities.
Vacuum sensor
2 sample sensors
Draining hose
Inert gas backfilling port
Standard hydraulic stoppering system
Vacuum pump with a suction capacity of 4L/s
Vacuum hose
Vacuum regulation system
Eutectic point detection
Wireless monitor system
Chamber sealing rubber ring
Spare PT1000 sensor
Sample tray 1
Sample tray 2
Vial rack
Vacuum pump 1 (Rotating speed 1800rpm, suction capacity 3L/s, ultimate pressure 0.008mbar, air-cooled)
Vacuum pump 2 (Rotating speed 1800rpm, suction capacity 4L/s, ultimate pressure 0.01mbar, air-cooled)
Vacuum pump 3 (Rotating speed 1800rpm, suction capacity 10.5L/s, ultimate pressure 0.01mbar, air-cooled)
