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Water Cooled Freeze Dryer

Water Cooled Freeze Dryer
Parent Product
Freeze Dryer
Product Categories
Freeze Dryers
Standards
ASTM E2500
ISO 13408-3
ISO 13408-4
ISO 13408-5
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Water Cooled Freeze Dryer – QualiWCFD Series

A Freeze Dryer with water cooling helps pilot teams run longer campaigns with steadier heat rejection and repeatable cycle control. The QualiWCFD Series Freeze Dryer is positioned for laboratory research, small-scale trials, and pilot production work before full manufacturing starts.

The platform targets cycle development and validation, with a stated freeze-drying area range of 0.5 m² to 5 m² and feeding capacity of 5 kg to 50 kg. Water cooling is specified as the cooling method, paired with a Bitzer refrigeration unit.

QualiWCFD is a pilot-scale Freeze Dryer designed to bridge lab development and industrial production. Repeated experiments can be run to confirm feasibility, refine recipes, and reduce surprises during scale-up.

The system is described with controlled shelf temperature, deep vacuum capability, and a cold trap designed to capture vapor efficiently during sublimation. Optional CIP and SIP functions are listed for higher hygiene expectations in regulated environments.

Water Cooled Freeze Dryer – QualiWCFD Series Applications

  • Small-batch deployment and trial production: Pilot water-cooled freeze drying is commonly used to produce limited batches while the process window is still being refined. This stage supports product teams that need stable performance before committing to production-scale equipment.
  • Repeated experiments for cycle optimization: Repeated freeze-drying runs help confirm feasibility and tune parameters such as freezing ramps, chamber pressure targets, and shelf temperature holds. This approach reduces development risk and supports faster iteration on formulation and container choices.
  • Multiple validations before formal production: Pilot-scale Freeze Dryer testing can support feasibility validation and documentation before scaling further. Qualification-style deliverables are also listed for projects that need structured verification activities.
  • Laboratory research, pilot trials, and scale-up studies: R&D groups use pilot systems to study product behavior, confirm critical temperatures, and evaluate robustness across batches. Water-cooled configurations are often selected when utility infrastructure and run frequency call for steadier condenser and refrigeration operation.
  • Small-scale production with faster transition to manufacturing: Pilot units can run small-scale production while maintaining process similarity to larger systems. This supports smoother transfer from development to production planning, especially when the same control philosophy is used.
Water Cooled Freeze DryerWater Cooled Freeze Dryer – QualiWCFD Series

Standards

  • ISO 13408-3 (Lyophilization as an aseptic process): guidance for control and validation of lyophilization equipment and processes.
  • ISO 13408-4 (Clean-in-place technologies): requirements and guidance for CIP applied to product-contact surfaces.
  • ISO 13408-5 (Sterilization in place): requirements and guidance for SIP applied to product-contact surfaces.
  • ASTM E2500 (Verification of pharma/biopharma systems and equipment): risk-based framework for specification, design, and verification.

Water Cooled Freeze Dryer – QualiWCFD Series Key Features

  • Water-cooled pilot-scale Freeze Dryer concept intended for small-scale trials and pilot production before full manufacturing.
  • Wide stated capacity window for pilot programs, covering 0.5–5 m² shelf area and 5–50 kg feeding capacity.
  • Deep vacuum capability listed at ≤ 1 Pa (no-load) to support controlled sublimation conditions.
  • Cold trap temperature specified at ≤ −75°C for vapor capture during primary drying.
  • Shelf temperature range specified at −55°C to +70°C for freezing and controlled drying phases.
  • Heating and cooling rate specified at 1°C/min to support repeatable ramps and holds.
  • Refrigeration package specified as a Bitzer refrigeration unit.
  • Optional CIP and SIP functions listed for hygienic workflows and regulated environments.
  • Validation document set listed for structured deployment, including DQ, IQ, and OQ.

Theory and Method

Freeze drying removes water through freezing, primary drying, and secondary drying under vacuum. Freezing sets the ice structure, which affects mass transfer and final cake morphology. Primary drying drives sublimation while the cold trap captures vapor as ice, helping maintain stable chamber pressure. Secondary drying then reduces bound moisture through controlled shelf temperature holds under low pressure.

Water Cooled Freeze Dryer – QualiWCFD Series Technical Specification

SpecificationUnitQualiWCFD
Freeze-drying aream²0.5 to 5
Feeding capacitykg5 to 50
Cold trap temperature°C≤ -75
Vacuum degreePa≤ 1
Shelf temperature range°C-55 to +70
Heating and cooling rate°C/min1
Cooling method—Water cooling
Refrigeration unit—Bitzer refrigeration unit
Optional functions—CIP, SIP
Validation documents (listed)—DQ, IQ, OQ

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Freeze Dryer