General purpose freeze dryer for archaeological and biological samples
Preserve and restore cultural and scientific treasures with precision freeze-drying, ideal for safeguarding delicate artifacts, documents, and specimens while ensuring their longevity and integrity.

Preserves and Restores Artifacts through Freeze-Drying
The VirTis General Purpose Freeze Dryer (GPFD) from SP Industries is designed for archaeological conservators, museums, and research laboratories seeking reliable preservation of delicate items. This freeze dryer offers versatile applications, handling archaeological artifacts, archival materials, and biological specimens with care. Available in 25L and 35L configurations, it accommodates large batches efficiently. Its adjustable condenser refrigeration, reaching temperatures of -85°C, enables precise freeze-drying with minimal energy consumption. The mid-cycle defrost option and smooth-wall condenser ensure reduced turnaround times with easy ice removal. Optional programmable heating to 60°C allows customization, while clear acrylic chamber doors facilitate process monitoring. The GPFD offers an environmentally friendly approach to lyophilization, enhancing preservation efforts across various industry sectors.
Benefits
- Enhances artifact preservation by minimizing moisture content without damage.
- Saves energy through efficient refrigeration, reducing environmental impact.
- Supports large-scale operations with high-capacity configurations.
- Streamlines freeze-drying processes with easy ice removal, cutting turnaround times.
- Offers flexible installation with a mobile, freestanding design adaptable to various environments.
- Applications
- Archival materials,Plant samples,Marine artifacts,Documents,Manuscripts,Archaeological artifacts,Museum specimens
- End products
- Dehydrated historical manuscripts,Conserved plant herbarium specimens,Preserved marine fossils,Restored parchment documents,Preserved ancient textiles,Recovered damp books
- Steps before
- Sample preparation,Artifact collection,Manuscript retrieval
- Steps after
- Specimen storage,Document preservation,Archiving,Museum display preparation
- Input ingredients
- bulky products,archaeological artifacts,documents,low moisture products,water-damaged archival materials,museum specimens,plant samples,marine artifacts,water-soaked manuscripts
- Output ingredients
- freeze-dried artifacts,freeze-dried documents,freeze-dried materials,prepared museum specimens,dried plant samples,restored marine artifacts,dry manuscripts
- Market info
- Refrigeration temperature
- -53°C to -85°C
- Condenser capacity
- 25L or 35L
- Programmable heating
- Up to 60°C
- Cycle time
- Variable
- Defrost system
- Mid-cycle defrost
- Condenser type
- Smooth-wall condenser
- Sample capacity
- Large batches
- Installation type
- Free-standing and mobile
- Installation type
- Free-standing and mobile
- Adjustable condenser refrigeration
- -53°C or -85°C
- Sample capacity range
- High capacity for bulky and large items
- Cycle adaptability
- Programmable heating up to 60°C
- Batch size options
- 25L or 35L
- Defrost option
- Mid-cycle defrost available
- Energy efficiency
- Minimize energy output
- Versatility
- Handles wide variety of solvents
- Visualization
- Clear acrylic chamber doors
- Mobility
- Easy to relocate and set up
- Bulky product capability
- Yes
- Low energy input compatibility
- Yes
- Low moisture product compatibility
- Yes
- Sensitivity to damage
- Restoration-safe
- Environmental impact
- Eco-friendly
- Machine footprint
- Compact,free-standing design
- Capacity
- 25L or 35L
- Condenser temperature
- -53°C or -85°C
- Programmable heating
- Up to 60°C
- Chamber doors
- Clear acrylic
- Condenser capacity
- 25L or 35L
- Heating option
- Programmable heating to 60°C
- Refrigeration temperature
- -53°C / -85°C
- Mobile design
- Free-standing and mobile
- Adjustable refrigeration packages
- Yes