BUCHI Rotavapo R-250 - Manual (Page 43)

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Rotavapor R-250 9 Appendix
9 Appendix
9.1 Technical Data
R-250
Power connection
7.5 kW
Connection voltage 400 – 440 V (3P +N), 50 / 60 Hz
Fuse (live, neutral) T4 A L 250V (230V)
Site condition maximum relative humidity 80% for temperatures up to 31° C
decreasing linearly to 50% relative humidity at 40° C
Evaporator output 31 litres of acetone per hour, different for other solvents depending
on the heat of evaporation
Rotation drive Induction motor
Speed control Frequency converter, 5-100 rpm
Bath output 6.6 kW, heat introduction <3W/cm 2
Bath dimensions Diameter 610 mm, depth 320 mm
Bath pan Stainless steel X2CrNiMo17 13 2 (1.4404 or 316L)
Bath heater control Electronic, with PT-1000, control accuracy ± 2°C
Bath temperature range 0° - 180°C
Overheating protection Separate monitoring circuit, mechanical reset facility, additional
electronic back-up if the setpoint is exceeded by 15°C
Bath lift Linear drive, IP 65
Battery Battery, PB, 12V
Measurement of vapor temperature PT-1000
Displays Vapor temperature, bath temperature, rotary speed
Aeration Integrated valve, vented in case of power failure or by button, with
inert gas connection
Installation category II
Degree of pollution 2
Cooling area Two or three condensate coolers of 0,6 m 2 each, distillate cooler 0,08 m 2
Vacuum pump Recommended suction output in excess of 5 m 3
Cooling water consumption 200 – 400 l / h, 2,7 bar abs. maximum (without pulsation)
Weight 160 kg without glass
Dimensions See relevant Chapter
Table 8: Technical Data
9.2 Materials Used
Material
Part Description Code
Chassis
X5CrNi 18 10 1,4301 or 304
Bath pan X2CrNiMo 17 13 2 1,4404 or 316L
Glass Borosilicate 3,3
Seals Polytetrafluorethylene PTFE
Taps Polytetrafluorethylene PTFE
Table 9: Materials Used