LYOPHILIZATION
Stoppering vacuum freeze dryer
5.5 m²-class lyophilization platform · ZLFD-50G

Documented specifications
- Nominal drying area
- 5.5 m²
- Dimensional effective shelf area
- 5.4 m²
- Shelf configuration
- 5 working shelves + 1 temperature-compensating shelf
- Shelf dimensions
- 1,200 × 900 mm
- Shelf spacing
- 90 mm
- Tray liquid loading
- 54 L at 10 mm material depth
- Small-format vial loading
- ≥21,000 vials · 2 mL nominal vial size · Ø16 mm
- Larger-format vial loading
- ≥10,800 vials · 10 mL nominal vial size · Ø22 mm
- Condenser water capture
- ≥100 kg
- Minimum condenser temperature
- ≤−70 °C · no-load
- Shelf temperature envelope
- −50 to +70 °C · no-load, conservative documented range
- Shelf temperature uniformity
- ±1 °C at equilibrium
- Ultimate vacuum
- ≤5 Pa · no-load
- Vacuum control range
- 10–130 Pa
- Cooling
- Water cooled · approximately 15 m³/h
- Defrosting
- Water soaking
- Chamber and shelves
- AISI 304 stainless steel
- Installed power
- 35 kW · not operating power consumption
- Electrical supply
- 3-phase + N + PE · 380 V
- Reference dimensions
- Approximately 3,800 × 1,600 × 2,500 mm
- Reference weight
- Approximately 4,500 kg
- Controls
- Siemens PLC and touch screen · automatic/manual control
Vial figures describe container loading, not liquid fill volume. The supplier lists both 5.5 m² nominal and 5.4 m² effective shelf area. Actual batch suitability depends on material, vial geometry, fill and cycle requirements.
SOURCE: Lyophilizer specification, pages 2–5, 8, 10–11
