Specifications: Sotary evaporator including rotary flask and receiving flask Sealing of the system is good ,high vacuum degree Function: Rotary evaporator can heart in constant-temperature and form film in negative pressure,simultaneously;It will evaporator hydrolytic enzymes to condense receiving;Specially is suitable for concentration,cystallization,separation,reclamation,etc;It is ideal device from biological pharmaceutical,chemical,food-industry.