Vacuum Tray Dryer

Vacuum Tray Dryer Model: LI-VTD is suitable for rapid drying of thermal sensitive materials easily resolved, polymerized of deteriorated under higher temperature. Sterilization can be conducted prior to the drying process, during which no matter is allowed to enter the product. Static vacuum dryer eliminates the configuration damage of the drying materials therefore widely used in pharmaceutical, chemicals and foodstuff etc.

Principally, drying under vacuum is environmentally friendly because the Evaporated Solvents can easily be re-condensed. These solvents can then either be recycled or disposed of without any problem. The Lab Vacuum Tray Dryer is used in laboratories for research and development due to which it is also known as R&D Vacuum Tray Dryer. It is also known by the names Mini Vacuum Tray Dryer, Small Vacuum Tray Dryer and Compact Vacuum Tray Dryer due to its small and compact size.

Drying of solvents in Ex-proof ovens may solve the safety problem in the oven but not the environmental aspect. The solvent vapour is blown out of the oven through the exhaust system Furthermore, there is a risk of uncontrolled mixture formation.

The Vacuum tray dryer is very efficient and heat sensitive and uses an average drying temperature that is much lower than the standard dryers. These compact vacuum tray dryers help in making the drying action faster and heat is easily transferred through the body of the dryers due to their large surface area. The R&D vacuum tray dryer has capabilities and can dry out large moisture and makes it very useful as it gives accurate results. The main advantage of a vacuum tray dryer is that it consumes less power. The Mini Vacuum tray dryer is highly suitable for hygroscopic substances that are dried to very low residual content levels.

Special Features of Vacuum Tray Dryer:

  • Mani body and door are made in SS 316 with rigid flange
  • Shelves (hollow type) in SS 316 with baffles
  • Trays (without back folding) in SS 316
  • Condenser (shell & tube) and Receiver in SS 304 for solvent recovery
  • Digital Temperature Indicator (FLP) at H.W. Inlet and Outlet
  • Digital Temperature Indicator (FLP) at vacuume line
  • Dial type vacuume gauge in vacuum line
  • Dial type Temperature gauge in body
  • Glass view provided on door and receiver
  • Flow glass provided to monitor condensation between condenser and receiver
  • Validation port
  • Provision for Nitrogen purging
  • Vacuum break valve provided in vacuum line
  • Construction and finish as per cGMP standards


  • Condenser and receiver are made in SS 316
  • 300 mm wide SS 304 skirting all along the flange
  • 50 mm thick glass wool insulation on the vacuum chamber outer surface except door. The insulation is enclosed and covered with removable SS 304 angle frame
  • Digital temperature controller with pneumatic operated valve at hot water/steam inlet
  • 2 stage water ring type vacuum pumps (partial SS) run by FLP motor
  • Hot water system with circulation pump

Vacuum Tray Dryer Testing Parameters:

The vacuum dryer shelves are hydro-tested 5 kg/cm2 assembled condition. The vacuum chamber is tested for leaks under vacuum

Capacity of Vacuum Tray Dryer:

Standard models range from 3 trays to 96 trays