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Main -> Separating systems -> Evaporation -> Rotary evaporators
Large Scale Rotary Evaporators, Heidolph

General features of LR 20 models

  • A guard hood consisting of a mental frame and safety glass covers the bath completely while providing clear visible monitoring
  • Features water level regulation system to prevent water from spilling over and potential floods in your lab
  • Unique integrated evaporating flask support system allows for “one person operation” to remove the flask in just moments
  • A temperature sensor powers off the bath in case of any uncontrolled heat-up event. In case of over pressure or glassware breakage the unit powers off entirely
  • No hassle or safety concerns due to low fluid levels: self-filling water bath takes the worry out of running dry
  • Automatic models allow for continuous unattended operation overnight and weekend applications to work off large quantities – great alternative to 50 or 100 l evaporator
  • Receiver cassettes guard against glassware breakage while providing a self standing support
  • Excellent user safety with high impact transparent PMMA door guard glassware and receiving cassettes

Heathing Bath

  • For your convenience an outlet allows you to empty the bath safely and without spills or unnecessary mess
  • Protect yourself reliably with safety models:
    A guard hood consisting of a mental frame and safety glass covers the bath completely. This prevents any operator contact with stream, splashing bath fluid and splinters or glass in case of an implosion
  • Non-fogging safety glass provides clear visible monitoring of the process in your evaporation
  • Prevent an overheating situation effectively: A temperature sensor powers off the bath in case of any uncontrolled heat-up event
  • Features water level regulation system to prevent water from spilling over and potential floods in your lab
  • No hassle or safety concerns due to low fluid levels: Self-filling water bath takes the worry out of running dry
1 Laborota 20 safety

Laborota 20 safety – Highest safety and integrated vacuum control capabilities

  • Excellent user safety with high impact transparent PMMA door
  • Non-fogging ESG safety glass and metal frame guard hood provides excellent user protection
  • Certification according to GMP available for this model: validation for Installation (IQ) and Operating Qualification (OQ)
  • Water bath with temperatures up to 100°C and oil bath models with temperatures up to 180°C available
  • Fully maneuverable optional base with removable panels for storage of vaccum pump, glassware, solvents or accessories
  • Receiver cassettes and PMMA door guard against glassware breakage

Two programs for your process control

P(const): Program for solvent separations. This program holds a set vacuum constant and uses a hysteresis

T(auto): Supports very precise automatic pressure control for solvent evaporation and separations. It is able to identify multiple boiling points automatically by reducing vacuum by use of a vapor temperature T(auto) guides the vacuum control by adjusting valve reaction time to reflect the solvent vapor front collecting on the condenser to yield sustainable distillation. This unique program gives operator ease of use in optimizing the vacuum parameters.

Laborota 20 compact – For higher demands and integrated vacuum control

  • This model features identical specifications as the LR 20 safety but for limited budget comes without these safety aspects:
    – Metal frame and safety glass guard hood covering the bath
    – High impact PMMA door covering the glassware assembly
    – High impact PMMa latching doors which cover the receiving flask cassettes
  • Large control panel which includes separate bright displays for all process parameters, programmable ramps as described on page 9
  • Optional fully maneuverable base which features detachable side panels
  • Two bath configurations: water bath models with Temperatures up to 100°C and oil bath models with Temperatures up to 180°C available

Labotora 20 eco – For standard distillations without vacuum control

  • Operating panel for standard process parameters: Large, analog dial controls for speed and bath temperature. The digital display gives read out of speed and temperature
  • Universal heating bath allows for both water and oil and reaches a temperature of 180°C
  • Can be combined with an optional, fully maneuverable eco base unit without side panels
ArticleiiiiiiivOrder No.
(2)Laborota 20 eco R1110 41 83130
Laborota 20 eco RC1210 41 83230
Laborota 20 eco R shorty1110 41 83830
Laborota 20 eco RC shorty1210 41 83930
Laborota 20 eco A11110 41 83330
Laborota 20 eco AC11210 41 83530
Laborota 20 eco A2111110 41 83430
Laborota 20 eco A2C111210 41 83630
Laborota 20 eco K1110 41 83832
Laborota 20 eco KC1210 41 83932
Laborota 20 compact R1157 41 82110
Laborota 20 compact RC1257 41 82210
Laborota 20 compact R shorty1110 41 82810
Laborota 20 compact RC shorty1210 41 82910
Laborota 20 compact A11157 41 82310
Laborota 20 compact AC11257 41 82510
Laborota 20 compact A2111157 41 82410
Laborota 20 compact A2C111257 41 82610
Laborota 20 compact K1110 41 82812
Laborota 20 compact KC1210 41 82912
Laborota 20 safety R1157 41 81110
Laborota 20 safety RC1257 41 81210
Laborota 20 safety R shorty1110 41 81810
Laborota 20 safety RC shorty1210 41 81910
Laborota 20 safety A11157 41 81310
Laborota 20 safety AC11257 41 81510
Laborota 20 safety A2111157 41 81410
Laborota 20 safety A2C111257 41 81610
Laborota 20 safety K1110 41 81812
Laborota 20 safety KC1210 41 81912



i = increasing cooler, ii = decreasing cooler + expansion vessel, iii = increasing + decreasing cooler + expansion vessel, iv = no. of retention pistons

Shorty glass set = total height shortened by 32 cm at constant distillation rates
K and KC glass set = Please note that, when using these glass sets, it is not possible to use the evaporator in T(auto) mode, because this glass set does not have a connection to the T(auto) sensor.

Oil bath configuration available upon request.
Please contact us if you would like to know more about technical details!

Accessories Laborota 20
ArticleOrder No.
Base for Laborota 20 control10 41 12300
Base for Laborota 20 eco10 41 12330


Laborota 20 automatic – Automated 24 h distillation

Large scale evaporator designed for unattended use. The required solvent is automatically refilled and condensate continuously drained off. The automatic water bath refill system along with an additional control panel for filling and electronics allow for use over an extended period of time.

  • Designed for 24 h continuous use
  • For unattended overnight and weekend applications
  • Affordable alternative to common 50 and 100 liter evaporators
  • Particularly suitable for solvent processing
  • Reduces exposure to solvent vapour and spills
ArticleOrder No.
Laborota 20 safety automatic, water bath, glassware A57 41 81710
Laborota 20 safety automatic, water bath, glassware A210 41 81710
Laborota 20 control automatic, water bath, glassware A57 41 82710
Laborota 20 control automatic, water bath, glassware A210 41 82710



Oilbath version available on request.
Please contact us for more information.