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Pilot freeze dryer FD-20F series
for the pharmaceutical industryfor the food industrywith electric heating

Pilot freeze dryer - FD-20F series - Labfreez Instruments Group Co., Ltd - for the pharmaceutical industry / for the food industry / with electric heating
Pilot freeze dryer - FD-20F series - Labfreez Instruments Group Co., Ltd - for the pharmaceutical industry / for the food industry / with electric heating
Pilot freeze dryer - FD-20F series - Labfreez Instruments Group Co., Ltd - for the pharmaceutical industry / for the food industry / with electric heating - image - 2
Pilot freeze dryer - FD-20F series - Labfreez Instruments Group Co., Ltd - for the pharmaceutical industry / for the food industry / with electric heating - image - 3
Pilot freeze dryer - FD-20F series - Labfreez Instruments Group Co., Ltd - for the pharmaceutical industry / for the food industry / with electric heating - image - 4
Pilot freeze dryer - FD-20F series - Labfreez Instruments Group Co., Ltd - for the pharmaceutical industry / for the food industry / with electric heating - image - 5
Pilot freeze dryer - FD-20F series - Labfreez Instruments Group Co., Ltd - for the pharmaceutical industry / for the food industry / with electric heating - image - 6
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Go to the Labfreez Instruments Group Co., Ltd website for more information

Characteristics

Laboratory/process
pilot
Applications
for the pharmaceutical industry, for the food industry
Other characteristics
with electric heating, hygienic, stainless steel

Description

Product overview
  • FD-20F pilot freeze dryer for in‑situ freezing and primary drying in the same chamber to avoid manual sample transfer and contamination.
  • Shelf area ~0.2–0.3 m2; typical batch load approximately 2–4.5 kg raw material depending on product and loading configuration.
  • Independent condenser (cold trap) with ice‑removal capacity ≥ 6 kg / 24 h (model dependent).
  • Automatic and manual operation modes; programmable recipes and freeze‑drying curve storage; USB data export and optional remote control by PC or mobile.
  • Silicone‑oil circulating thermal medium with Grundfos circulating pump; electric‑heating variants available.


REFRIGERATION SYSTEM
  • Dual‑stage cooling architecture to support fast cooldown and simplified maintenance.
  • Hermetic compressors from reputable manufacturers (examples: Tecumseh, DANFOSS) for low noise and high cooling capacity.
  • Danfoss pressure controller and valves for stable operation.
  • Condenser temperatures down to ≤ -86°C for silicone‑oil machines and ≈ -60°C for electric‑heating machines; fast cooling from +20°C to -40°C in ~30 min (typical).
  • Shelf temperature control range: -50°C to +70°C ±1°C (balanced).
  • Air‑cooled option available for room installation without external cooling unit. Uses CFC‑free refrigerant; brazed plate heat exchanger included.


DRY CHAMBER
  • Rectangular in‑situ chamber allowing pre‑freezing and drying without manual transfer.
  • Chamber, shelves and trays in polished SS304 (SS316 optional for contact parts with corrosive materials).
  • High‑transparency plexiglass observation door; inner rounded corners for cleaning; inner wall roughness ≤ 0.6 μm; shelf flatness ≤ ±0.5 mm/m.
  • Oil‑circulation heating for high temperature precision (common in pharma/bio applications); electric heating variant available (commonly used for food applications).
  • Shelf heating uses safe voltage and controllable heating rate; each shelf is tested for roughness and flatness to ensure uniform sample temperature.
  • Optional wall‑cross design to meet GMP requirements.


CONDENSER (COLD TRAP)
  • Large‑capacity condenser typically in SS304 (SS316 optional for highly corrosive materials).
  • Lowest condenser temperature ≤ -85°C (silicone‑oil); ≤ -60°C (electric‑heating variant).
  • Cylinder‑type cold trap (FD‑20F and selected models) with plexiglass door and efficient ice removal; cooling‑pipe condensers used on other variants.
  • Patented gas diversion technology for uniform cold trapping; electric heating around condenser chamber to assist ice removal.


CIRCULATION SYSTEM
  • Grundfos (GUNDFOS) shielded circulating pump with PID control for oil circulation; uses low‑temperature, low‑viscosity silicone oil as the thermal medium.
  • Circulation system applied across FD‑20F, FD‑30F‑TP, FD‑50F, FD‑100F and FD‑200F series.


FD‑LYO CONTROL SYSTEM
  • Combination of manual tuning and automatic batch production modes.
  • PLC control with touchscreen (examples: 7" LCD touch graphic display; Siemens PLC and 10" touch optional).
  • Shelf temperature adjustable and controllable; suitable for pilot and small production use.
  • 32 programmable slots (up to 36 segments per program noted); real‑time parameter modification and curve storage.
  • Built‑in recorder and USB interface for data export; FD‑LYO PC software and remote control app optional.
  • Sensor calibration function, real‑time alarm display, historical alarm query and multi‑level user/password management.


VACUUM SYSTEM
  • Standard two‑stage rotary vane vacuum pump with automatic vacuum adjustment and setpoint control.
  • Ultimate vacuum ≤ ~1–5 Pa achievable with higher‑end pump options (LEYBOLD/ULVAC/Edwards optional).
  • Typical pump performance: atmosphere to ~10 Pa in less than ~30 min; system leak rate < 10 Pa·L / sec (typical).


SAFETY PROTECTION
  • Whole‑machine protection and electrical interlocks for control and safety.
  • Alarm functions for vacuum, heating and other faults; power on/off protection and sublimation‑process safeguards.
  • Condenser‑vacuum interlock and other interlocks to protect samples and equipment in abnormal conditions.


OTHER FEATURES
  • Normal configuration suitable for bulk raw products (food, fruit, herbal extracts, biomaterials); stoppering configuration available for vial stoppering.
  • Inflatable (water) valve with safety diaphragm can be connected to an inert gas source for drying and inert‑gas fill to extend shelf life.
  • Certificates referenced: CE / ISO 9001 / ISO 13485 / ISO 14001; configurable to meet GMP on request.


Key specifications
  • Model: FD‑20F Series.
  • Freeze‑drying area: ~0.2–0.3 m2 (model dependent).
  • Shelf temperature range: -50°C to +70°C (±1°C balanced).
  • Condenser lowest temp: ≤ -85°C (silicone‑oil) or ≈ -60°C (electric‑heating).
  • Condenser ice removal capacity: ≥ 6 kg / 24 h; condenser volume: 40 L.
  • Ultimate vacuum: ≤ 5 Pa (standard); vacuum pump: 2XZ‑4 (4 L/s typical).
  • Power: 220 V / 50 Hz or 110 V / 60 Hz; nominal power ~3000 W.
  • Approx. weight: 300–310 kg depending on configuration; dimensions (examples): 770 × 750 × 1520 mm (FD‑20F‑R) / 770 × 750 × 1650 mm (FD‑20F‑TP).
Go to the Labfreez Instruments Group Co., Ltd website for more information

Other Labfreez Instruments Group Co., Ltd products

Freeze Dryers

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.