Applications and Features: It is the suitable and ideal instrument for pharmacy, chemistry and scientific research institutions. It is rotating with electric governor, so as let the flask rotate at the desired constant-speed. It forms membrane under the negative pressure and constant-temperature heating with rotating, vaporizing efficiently, then receives menstruum in the receiving flask by condenser. Main data Capacity of rotary flask: 20 L Capacity of receiving flask: 10 L  Rotating speed: 20 ~ 120 r.p.m. Power of motor: 250 W Power of water bath: 5.0 kW *Rising or reducing range of water bath: 180 mm Working temperature: room temp. ~ 150 ℃ Main power: 220V(2 phrases) 50~60 Hz  Measurement:1150 x 500 x 1880(H) mm
