田枫 TF-LYO-0.5 Pharmaceutical-Grade Benchtop Freeze Dryer

Overview

The Tianfeng TF-LYO-0.5 is a pharmaceutical-grade, pilot-scale freeze dryer engineered for reproducible lyophilization of thermolabile biologics, herbal extracts, nutraceuticals (e.g., astaxanthin concentrate), and sterile parenteral formulations. It operates on the fundamental principle of sublimation—removing water from frozen samples under deep vacuum while maintaining product integrity through precise thermal control. Unlike conventional drying methods, lyophilization preserves structural conformation, enzymatic activity, and volatile bioactive compounds by avoiding liquid-phase heating. The TF-LYO-0.5 integrates a rectangular AISI 304 stainless steel chamber with fully polished, zero-dead-angle internal welds, compliant with cGMP design principles for cleanroom-compatible operation. Its −80 °C condenser, coupled with a Bitzer scroll compressor and Baosi vacuum pump, achieves an ultimate vacuum of ≤1 × 10⁻² mbar—enabling efficient primary drying of low-eutectic-point formulations such as polysaccharide-based supplements or peptide-rich botanical concentrates.

Key Features

• 0.54 m² shelf area supporting batch processing of up to 5 kg (dry weight equivalent) or 2,250 × 16 mm vials / 1,120 × 22 mm vials per cycle
• Shelf temperature control range from −55 °C to +70 °C, calibrated to ±0.5 °C accuracy, using low-viscosity silicone oil for uniform heat transfer
• Hydraulic stoppering system for in-situ vial sealing under controlled vacuum conditions—critical for aseptic processing of final dosage forms
• Omron PLC-based control architecture with programmable logic sequencing, real-time data logging, and password-protected parameter access
• Full cGMP-compliant construction: electropolished AISI 304 chamber interior, stress-relieved shelves, smooth-welded manifolds, and ISO 9001-certified manufacturing process
• Integrated validation-ready architecture supporting IQ/OQ/PQ documentation packages and 3Q qualification support upon request

Sample Compatibility & Compliance

The TF-LYO-0.5 accommodates a broad spectrum of sample formats—including bulk solutions in trays, serum vials (16–22 mm diameter), and custom containers—making it suitable for R&D scale-up, clinical trial material production, and small-batch commercial manufacturing. It meets key regulatory expectations for pharmaceutical lyophilization: chamber surface finish conforms to ASME BPE 2023 hygienic standards; temperature mapping complies with ASTM F2696; and vacuum stability testing aligns with ISO 13408-1. While not inherently FDA 21 CFR Part 11–compliant out-of-the-box, its PLC system supports audit trail configuration and electronic signature integration when deployed with validated software extensions. All mechanical components—including the Bitzer compressor and Baosi vacuum pump—are CE-marked and rated for continuous operation under GMP environmental monitoring protocols.

Software & Data Management

The embedded microprocessor interface enables full-cycle programming with up to 20 customizable recipes, each containing multiple ramp/hold stages for shelf temperature, chamber pressure, and condenser load monitoring. Real-time graphs display shelf temperature deviation, vacuum decay rate, and condenser ice accumulation—facilitating immediate process deviation detection. Raw data export is supported via USB port in CSV format for external analysis in MATLAB, JMP, or LIMS platforms. Optional Ethernet connectivity allows remote supervision and integration into centralized SCADA systems. For regulated environments, optional software modules provide electronic batch records (EBR), user role-based access control, and 21 CFR Part 11–aligned audit trails—including timestamped operator actions, parameter changes, and alarm acknowledgments.

Applications

This system is routinely deployed in academic pharmacology labs for stabilizing marine-derived actives (e.g., astaxanthin emulsions), in contract development and manufacturing organizations (CDMOs) for lyophilizing botanical injectables, and in nutraceutical QA/QC units validating shelf-life extension of probiotic powders. Its −55 °C shelf capability supports crystalline phase preservation in monoclonal antibody intermediates, while the +70 °C upper limit permits secondary drying of amorphous excipients like trehalose or mannitol. The hydraulic stoppering function is frequently utilized for terminal sterilization of ophthalmic suspensions and nasal spray formulations requiring moisture barrier integrity post-lyophilization.

FAQ

Is the TF-LYO-0.5 suitable for sterile processing?

Yes—when installed in Grade C/D cleanrooms and operated with validated SIP protocols, its sealed chamber and polish-finish interior meet EU Annex 1 requirements for aseptic lyophilization.
Can process parameters be exported for regulatory submission?

Yes—CSV exports include time-stamped shelf temperature, chamber pressure, condenser temperature, and alarm logs, formatted for inclusion in IND/MAA dossiers.
What validation support is provided?

Tianfeng supplies FAT/SAT documentation templates and assists with IQ/OQ execution; PQ protocol development requires site-specific qualification by the end user’s QA team.
Does the system support automatic defrost cycles?

Yes—the PLC includes configurable auto-defrost sequences with condenser warm-up ramps and drain valve timing to prevent thermal shock to the refrigeration circuit.
Is remote diagnostics available?

Basic remote troubleshooting is enabled via secure VPN-linked maintenance mode; advanced predictive analytics require optional IoT gateway hardware.