Pilot Freeze Dryer NPFD-401 provides a maximum freeze-drying area of 0.48 m² for efficient sample handling. It includes a cold trap that reaches –85°C for effective vapor capture. This unit features a sealed hollow observation window to prevent frosting and ensure clear visibility. It offers a one-touch cold trap defrosting function to save time between batches. Our freeze dryer is equipped with a built-in hydraulic stoppering system for secure vial sealing.
| Max freeze drying area | 0.48m² |
| No. of shelves | 4+1 |
| Shelf distance | 70mm |
| 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-401 is used to preserve temperature-sensitive materials by removing moisture through sublimation, ensuring product stability and longevity. It is commonly applied in pharmaceutical, biotechnology, and research laboratories for drying vaccines, enzymes, and biological samples.
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)
