Pilot Freeze Dryer NPFD-500 provides a nominal shelf area of 0.3 m² and a usable shelf area of 0.24 m². It offers a total liquid loading capacity of 4 liters, suitable for pilot-scale applications. This unit maintains a minimum cold trap temperature of ≤–75°C to ensure effective moisture capture. It consists of 2 primary shelves and 1 auxiliary shelf for flexible sample handling. Our dryer integrates an automatic endpoint discrimination function to ensure precise transition after completion.
| Nominal area | 0.3m² |
| Usable shelf area | 0.24m² |
| Condenser capacity | 4 kg/B |
| Vial quantity Φ16mm | 900 pcs |
| Vial quantity Φ22mm | 460 pcs |
| Liquid capacity | 4L |
| No. of shelves | 2+1 |
| Shelf distance | 100mm |
| Shelf temperature range | -55 + 80°C |
| Shelf temperature difference | ±1°C (in balance) |
| Min. cold trap temperature | ≤-75°C |
| Vacuum leakage rate | ≤5×10⁻³ Pam³/sec |
| Ultimate pressure | ≤1 Pa |
| Air-cooled, well-ventilated | ≤25°C |
| Water-cooled, ≤30℃, 0.15 to 0.2MPa | 0.3m³/hr |
| Installed power | 3.3kW (single phase) |
| Shelf dimension | 300×400mm |
| Product dimension | 700×1300×1700mm |
| Weight | 510 kg |
Pilot Freeze Dryer NPFD-500 is used to preserve temperature-sensitive biologicals, pharmaceuticals, and chemical samples by removing moisture through sublimation under vacuum. It is commonly applied in research laboratories, pharmaceutical pilot plants, and cleanroom production environments.
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)
