Rotary Evaporator LRE-T2012

Introduction

Rotary Evaporator rotating speed range from 20rpm to 180rpm, optimizing evaporation efficiency and process control. Includes vacuum controller for solvent evaporation under controlled pressure conditions. Its digital display interface makes controlling the system more user-friendly and intuitive. Comes with motorized lifting mechanism for easy removal and insertion of flasks. Provides high flexibility, making suitable for various applications in pharmaceutical industries. 

This equipment is essential for solvent evaporation and concentration processes in chemical, pharmaceutical, and food laboratories. It features efficient heat transfer and vacuum control to ensure optimal distillation results while protecting sensitive samples.

Applications

Our Rotary Evaporator ensures efficient solvent recovery and precise distillation, widely used in chemical processing, pharmaceutical research, and academic laboratories, simplifying evaporation processes for reliable, repeatable results.

Specifications

Evaporating Flask Volume	5L
Rotating Speed	20rpm to 180rpm
Evaporation Capacity	Ethanol 2L/hour
Ultimate Vacuum	9 mbar
Lifting Stroke	130
Temperature Range	20°C to 100°C
Ambient Temperature	5°C to 40°C
Ambient Humidity	≤80%
Temperature Control Accuracy	±1°C
Time Setting Range	0 to 999min
Heat Bath	Teflon Coating
Display
Motor	Brushless DC motor
Protection Class	IP20
Power Consumption	2000 W
Power Supply	220V, 50 to 60Hz
Dimension (W×D×H)	290mm×600mm×720mm

Features

display with intuitive interface for easy control

controller with precise fast and stable settings

Motor lifting with stepless smooth and silent operation

Reciprocation rotation function ideal for concentrated samples

High efficiency condenser and anti-backflow design

FAQs

1. What vacuum level is appropriate for operating a rotary evaporator?

The appropriate vacuum level depends on the boiling point of the solvent being evaporated. For most common solvents, a vacuum level between 10-50 mbar is suitable. Lower boiling point solvents (such as ethanol) require higher vacuum (lower pressure), while higher boiling point solvents may need lower vacuum. It's important to adjust the vacuum level gradually to prevent sample bumping and ensure efficient evaporation.

2. How to prevent sample bumping during rotary evaporation?

To prevent sample bumping, you can: 1) Use a bumping tube or anti-bumping granules in the evaporating flask; 2) Control the heating bath temperature to avoid rapid temperature increase; 3) Adjust the rotation speed to ensure gentle mixing of the sample; 4) Gradually increase the vacuum level instead of applying full vacuum immediately; 5) Ensure the evaporating flask is properly centered and balanced.

3. How often should the rotary evaporator's seals be replaced?

The frequency of seal replacement depends on usage frequency, the type of solvents used, and maintenance practices. Under normal usage with non-corrosive solvents, seals should be inspected every 3-6 months and replaced if signs of wear, leakage, or reduced vacuum performance are observed. For corrosive solvents, more frequent inspection and replacement (every 1-3 months) may be necessary to maintain vacuum integrity.

4. Can the rotary evaporator be used for heat-sensitive samples?

Yes, the rotary evaporator can be used for heat-sensitive samples by utilizing the vacuum system to lower the solvent's boiling point, thus reducing the required heating temperature. For highly heat-sensitive samples, additional measures such as using a cold trap, lowering the heating bath temperature further, or reducing the rotation speed can help protect the sample from thermal degradation while maintaining efficient evaporation.

5. How to clean the rotary evaporator after use?

After use, follow these cleaning steps: 1) Turn off the heating bath and vacuum system, and allow the equipment to cool down; 2) Remove and empty the receiving flask; 3) Rinse the evaporating flask and condenser with an appropriate solvent (compatible with the sample residue); 4) For stubborn residues, use a soft brush or ultrasonic cleaner (if compatible with glass components); 5) Dry all components thoroughly before reassembly; 6) Wipe the exterior of the equipment with a clean, damp cloth.