Tianfeng TF-LYO-20 Pharmaceutical & Cosmetic Freeze Dryer
| Brand | Tianfeng |
|---|---|
| Model | TF-LYO-20 |
| Type | Standard Shelf-Type Production-Scale Freeze Dryer |
| Lyophilization Area | 20.18 m² |
| Ultimate Vacuum | ≤1×10⁻² mbar |
| Condenser Temperature | −75 °C |
| Ice Capacity (per batch) | 400 kg |
| Shelf Temperature Range | −55 °C to +80 °C |
| Chamber Material | AISI 304 Stainless Steel |
| Control System | Omron PLC with Microprocessor-Based Interface |
| Compressor | Bitzer |
| Vacuum Pump | Baosi |
| Total Power Load | 90 kW (380 VAC, 50 Hz) |
| Dimensions (L×W×H) | 7000 × 2420 × 4000 mm |
| Approx. Weight | 15,000 kg |
| Compliance | cGMP, ISO 9001, Supports IQ/OQ/PQ Documentation |
Overview
The Tianfeng TF-LYO-20 is a production-scale, shelf-type freeze dryer engineered for the reliable and scalable lyophilization of thermolabile pharmaceuticals—including antibiotics—and high-value cosmetic actives. Operating on the fundamental principles of sublimation under controlled low-pressure and cryogenic conditions, the system removes water from frozen product matrices while preserving structural integrity, biological activity, and chemical stability. Unlike conventional drying methods, freeze drying minimizes thermal degradation, ensures consistent residual moisture levels (typically <1.0% w/w), and delivers superior reconstitution profiles—critical attributes for parenteral antibiotics, peptide-based cosmetics, and sterile biologics. The TF-LYO-20 integrates a robust stainless steel chamber, precision-engineered shelves with uniform thermal distribution, and a deep-cold condenser capable of sustaining −75 °C continuously—enabling efficient water vapor capture during extended primary and secondary drying cycles.
Key Features
- Stainless steel chamber (AISI 304) with fully polished, weld-free internal geometry—eliminating crevices and facilitating cleaning validation per cGMP Annex 1 requirements.
- Hydraulically actuated stoppering mechanism compatible with standard 16 mm and 22 mm vials—supporting up to 82,000 or 43,000 units per batch respectively.
- Shelf temperature control range from −55 °C to +80 °C, using low-viscosity silicone oil as heat transfer medium—ensuring ±0.5 °C uniformity across all shelf surfaces.
- Dual-stage Bitzer compressor and Baosi vacuum pump deliver stable ultimate vacuum ≤1×10⁻² mbar, verified via calibrated Pirani and capacitance manometers.
- Omron PLC-based control architecture with embedded recipe management, real-time data logging, and password-protected user access levels.
- Comprehensive alarm hierarchy with audible/visual alerts for vacuum breach, shelf temperature deviation, condenser overload, and power interruption.
- Designed and manufactured in accordance with ISO 9001:2015 quality management standards; full documentation support for Installation Qualification (IQ), Operational Qualification (OQ), and Performance Qualification (PQ).
Sample Compatibility & Compliance
The TF-LYO-20 accommodates a wide spectrum of formulation types—including aqueous antibiotic solutions, lyophilized cosmetic serums, protein suspensions, and sterile APIs—across vial, tray, and bulk configurations. Its chamber geometry and shelf layout comply with USP , ISO 13408-1, and EU GMP Annex 1 guidelines for aseptic processing environments. When integrated with isolator or RABS interfaces, the system supports Grade A air classification. All wetted surfaces meet ASME BPE 2021 surface finish specifications (Ra ≤ 0.8 µm), and material certifications—including EN 10204 3.1 mill test reports—are provided for traceability. The unit is fully compatible with FDA 21 CFR Part 11–compliant electronic record and signature modules when paired with validated SCADA software extensions.
Software & Data Management
The embedded control interface enables full-cycle automation—from freezing ramp profiling and primary drying endpoint detection (via pressure rise test or product temperature monitoring) to secondary drying hold steps and final stoppering. Process parameters are stored in non-volatile memory with time-stamped audit trails, including operator ID, parameter changes, and alarm events. Data export is supported via USB and Ethernet (Modbus TCP/IP), allowing seamless integration into MES or LIMS platforms. Optional software packages provide advanced analytics—including batch comparison, trend analysis, and deviation reporting—aligned with ICH Q5C and Q5E stability guidance frameworks. All software updates undergo formal change control and revalidation per GAMP 5 principles.
Applications
- Lyophilization of β-lactam antibiotics (e.g., ampicillin sodium, ceftriaxone), where moisture sensitivity and crystallinity control directly impact shelf life and dissolution kinetics.
- Stabilization of enzymatic cosmetic ingredients (e.g., superoxide dismutase, hyaluronidase) and botanical extracts requiring preservation of conformational fidelity.
- Manufacture of sterile ophthalmic preparations and injectable vaccines requiring strict endotoxin and particulate control.
- Process development and scale-up from laboratory (e.g., 0.1–2 m²) to commercial production batches, leveraging identical thermal and vacuum dynamics.
- Contract manufacturing organizations (CMOs) performing regulatory-compliant lyophilization services under client-specific technical agreements.
FAQ
Is the TF-LYO-20 compliant with current Good Manufacturing Practice (cGMP) requirements?
Yes—the system is constructed, tested, and documented to meet cGMP Annex 1, WHO TRS 986, and PIC/S PE 009-16 standards. Full qualification documentation (IQ/OQ/PQ) and material traceability files are available upon request.
Can the system be integrated into an existing cleanroom HVAC or SCADA infrastructure?
Absolutely. The unit features standard 4–20 mA analog I/O, Modbus RTU/TCP, and dry-contact alarm outputs—enabling interoperability with major DCS and building management systems.
What level of after-sales technical support is provided?
Tianfeng offers on-site commissioning, operator and maintenance training, annual preventive maintenance contracts, and 24/7 remote diagnostics. Field service engineers are certified per ISO/IEC 17020 and maintain CE-marked calibration tools.
Does the TF-LYO-20 support automatic cycle optimization based on product thermograms?
While the base configuration includes manual setpoint programming, optional PAT modules—integrating tunable diode laser absorption spectroscopy (TDLAS) and resistance temperature detector (RTD) arrays—enable real-time critical point detection and adaptive drying logic.
Are spare parts and consumables readily available outside China?
Yes—Tianfeng maintains regional spare parts hubs in Germany, Singapore, and the United States. Critical components—including condenser coils, shelf heating elements, and vacuum seals—are stocked with lead times under 72 hours for urgent replacements.





