hellog energy

The Rotary Evaporator

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3.00 KGS



The Rotary Evaporator

GZ Industrial Supplies is a distributor and supplier of  Hellog tools in Nigeria. Simply put a rotary evaporator (sometimes abbreviated to rotavap) is a piece of equipment primarily used to remove solvent from a sample through evaporation under reduced pressure.

How to Operate

  • Turn on water bath and set to relevant temperature.
  • Ensure water following into water condenser.
  • Connect round bottom flask to rotavap. Remember to use clip to ensure flask doesn’t slip off!
  • Turn on vacuum pump, then immediately close tap to put the system under reduced pressure. 
  • Turn on rotation.
  • Briefly wait to see bumping occurs before lowering round bottom flask into water bath. 
  • Monitor round bottom flask until solvent is removed.
  • Once complete, raise round bottom flask out of water bath and stop the rotation.
  • Turn off the vacuum pump and immediately but carefully open the tap to release the system from reduced pressure.
  • The round bottom flask should now be available to remove from the rotavap.


  1. Evaporating Flask Volume: 0.25-5L
  2. Lift Mechanism: Automatic lift
  3. Rotation Speed: 0~310rpm
  4. Temperature Range: Water Bath: RT.-99℃; Oil Bath: RT.-210℃

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2 Reviews

  • 5
    The Rotary Evaporator

    Posted by Effiong Ekanem on Jun 12, 2023

    Super efficient. It smoothly removes solvents from samples with ease.

  • 5

    Posted by Amadi udo on Sep 26, 2022

    As a researcher I use rotary evaporator for my work. My colleague told me about your site. I visited and ordered, ever since it has been serving me. Thanks gz

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