SED-30FDG-B(CIP) — Vacuum Freeze Dryer with CIP
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SED-30FDG-B(CIP)vacuum freeze dryer — a CGMP-compliant pharmaceutical freeze dryer with in-place cleaning (CIP). Integral rectangular drying chamber plus rectangular cold trap; 30 m² total shelf area (10+1 layers, 1200×2
Funktionsweise
Vacuum freeze drying: product is first frozen below its eutectic or glass transition temperature, then placed in a vacuum chamber where pressure is reduced below the triple point of water. Shelf heating (electric, PID-controlled, ±1°C precision) sublimes ice directly to vapor without liquid phase; sublimed vapor is captured by the cold condenser (≤-55°C). A BITZER screw compressor cools both shelves and condenser via silicone oil circulation and refrigerant circuits. The Leybold vacuum pump + Cuiman Roots pump maintains chamber vacuum to ≤1.0 Pa. The CIP system cleans the drying chamber and shelves in place using SSC rotating and wide-angle spray nozzles.
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Reinigung und Wartung
CIP in-place cleaning using SSC rotating spray nozzles (SUS304) and wide-angle spray nozzles inside the drying chamber and shelf area. Cleaning, defrosting automatic drain valves prevent positive pressure buildup. Drain outlet has sampling port and filter screen. Cleaning time freely settable.
