info@sakshamgroup.co.in 022-49749387 / 86 | Mon–Sat 9am–6pm IST · Authorised ESCO · TSI · Dara · Vivagen distributor Since 1997
Lyophilisation · 7 min read

Buying a Freeze Dryer in India: Lab vs Pilot vs Production Scale

How to choose a laboratory or pilot freeze dryer (lyophilizer) in India — shelf area, condenser capacity and temperature, stoppering, 21 CFR Part 11, and scale-up without re-validation.

Published 12 March 2026 · Saksham Analytical Instruments

1. Start from batch size and container

Work out vials per batch × vial footprint, which gives the shelf area you need. Then work out fill volume × vials, which gives the water load that sets condenser capacity (kg of ice). Allow 20–30% headroom for growth.

2. Condenser temperature

Aqueous products are fine with a −55 °C condenser. Products containing organic solvents (tBuOH, ethanol) or with very low collapse temperatures need −85 °C or lower.

3. Shelf temperature range and uniformity

Look for −50 °C to +70 °C with ±1 °C uniformity. Poor uniformity shows up as vial-to-vial variability during scale-up.

4. Stoppering and process analytics

Internal stoppering under vacuum or nitrogen is essential for injectables. For development work, pressure-rise tests and comparative pressure (Pirani vs capacitance) measurement let you detect the end of primary drying instead of guessing it.

5. Data integrity

GMP use requires 21 CFR Part 11 / Annex 11 compliant software: user levels, audit trails and electronic records.

6. Plan the scale-up path

The biggest hidden cost is cycle re-development when moving from a lab unit to a pilot or production unit from a different vendor. Dara's LyoMicron and LyoLab share the same software as Dara production dryers, so recipes transfer between scales.

Frequently asked questions

What is the difference between a lab and a pilot freeze dryer?

Lab units (for example LyoMicron) are for formulation screening with small shelf areas. Pilot units (LyoLab 10–30 kg) are for process development and clinical batches, and have production-like features such as stoppering and CIP options.

Equipment mentioned in this guide

Need advice for your lab?

Tell us your application and we'll respond within one business day with a configured recommendation and price.

  • Authorised distributor since 1997
  • Installation, IQ/OQ & training included
  • Local spares, consumables & AMC