Industrial evaporation - Rotavapor® R-250

Industrial evaporation - Rotavapor® R-250 BÜCHI

Batches up to 30 liters can be quickly and safely distilled in the 50-liter evaporating flask of the R-250. The powerful heating bath allows a distillation rate up to 30 liters of acetone per hour. Choose your system out of a wide range of possibilities to get the best for your application.

Rotovapor R-250 EX (ATEX) upon request.

Technical specifications
Dimensions (WxHxD) 1410x2300x830 mm depends on the configuration
Voltage 400 - 440 V (3Ph, N, G)
Frequency 50 – 60 Hz
Power consumption 7500 - 9100 W
CE marking Yes
Safety coated glassware Yes, accept the evaporating flask
Over temperature protection of the bath Separate monitoring circuit with manual reset
Error if temperature is 15 °C above set value
Rotation Soft start
At any Error Bath lowering, heater off, rotation off.
Type of error showed on display.
Reset with main switch
Bath temperature Yes (1 °C steps)
Cooling temperature (option) Yes (1 °C steps)
Vapor temperature Yes (1 °C steps)
Set rotation speed Yes (1 rpm steps)
Set bath temperature Yes (1 °C steps)
Actual vacuum Optional Vacuum Controller
Set vacuum Optional Vacuum Controller
Consumption 200-400 liter/hour (adjustable via integrated needle valve)
Restriction max. 2.7 bar abs. without pulsation
Heating (bath)
Medium Water or oil
Temperature range Ambient to 180 °C
Heating capacity 6000 W (3 W/cm2)
Accuracy +/- 2 °C
Motor 400 V 3phase; 2 A at 50 Hz
Controlling Frequency converter
Speed 5 – 100 rpm
Accuracy +/- 1 rpm at 5 rpm to +/- 5 rpm at 100 rpm
Housing Stainless steel 1.4301 (AISI 304)
Gear head Aluminum cast (3.2373)
Painting Powder coated with Epoxy (EPX)
Bath pan Stainless steel 1.4404 (AISI 316 L)
Heating element Stainless steel 1.4404 (AISI 316 L)
Glass Borosilicate 3.3
In contact with product FDA approved materials
Leakage of the complete system <1 mbar/min
Vapor temperature PT-1000, 2 wire
Bath temperature PT-1000, 2 wire
Speed sensor Hall-sensor
Vacuum Optional Vacuum Controller