2L Rotary Evaporator for Lab Distillation with Thin-Film Design


This 2L rotary evaporator is designed for efficient laboratory distillation, solvent recovery, and thin-film evaporation. It features adjustable 0–120 rpm rotation, a three-layer condenser, and a manual-lift water/oil bath with precise temperature control. Suitable for chemical labs, research institutes, and heat-sensitive material processing.

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Product Introduction for 2L Rotary Evaporator

The 2L rotary evaporator is a compact laboratory device used for solvent evaporation, purification, and concentration, especially for heat-sensitive materials. It operates by forming a thin film on the rotating flask under reduced pressure, enabling efficient and gentle evaporation. With a temperature-regulated water or oil bath and a multi-layer condenser, it ensures stable condensation and solvent recovery. This equipment is well-suited for chemical research, pharmaceutical development, academic experiments, and small-scale extraction tasks requiring controlled and reliable evaporation performance.

Technical Specifications

Evaporation flask capacity (L) 2
Receiving flask capacity (L) 1
Rotary motor power (W) 40 (infinitely variable speed)
Speed (R/min) 0-120
Water (oil) bath power (W) 1200
Temperature resolution ±2℃
Evaporation rate (L/H₂O) ≥1
Lifting height (mm) 0-150
Lifting method Manual lifting for oil bath

Main features

  • Three-layer condenser structure provides a larger evaporation area and significantly improves condensation efficiency.
  • Variable-speed 0–120 rpm motor ensures stable rotation performance for different evaporation requirements.
  • Manual lifting design allows safe adjustment of the water or oil bath height during operation.
  • Thin-film evaporation mechanism enhances efficiency for heat-sensitive materials and reduces thermal degradation.
  • High-performance insulation motor with polyester-enameled winding ensures durability and reliable long-term use.

Application scenarios

  • Chemical laboratory solvent evaporation and concentration
  • Pharmaceutical formulation development and compound purification
  • University and research institute thin-film distillation experiments
  • Natural product extraction and botanical solvent recovery
  • Sample preparation for analytical chemistry and material testing

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