R-1005(5L rotary evaporator),R-1010(10L rotary evaporator),R-1020(20L rotary evaporator),R-1050(50L rotary evaporator) rotary evaporator rotating shafts are made of stainless steel and aluminum die casting,three way bottles are made of  corrosion resistance,high temperature resistance borosilicate glass.Below is the installation of the rotating shaft  and the three way bottle.

Installation of rotating shaft
The O type is arranged on the rotating shaft of the glass,and the rotating shaft is arranged in the nose.and the O type ring on the glass rotating shaft is close to the nose shell.(as shown in the figure below)
1.O type circle   
2.Glass rotary shaft   
3.Head shell

Three way bottle installation
Will the lower port of the three-way bottle size a three-way bottle fixing nut,then the fixed nut block trap in lower three-way bottle neck,the flange sealing washer is inseted into the aperture of a three-way bottle,finally will be equipped with flange sealing gasket through the bottle into the glass rotating shaft in the upper end of the mouth,the three-way bottle fixing nut to the proper tightening.(as shown in the figure below).
1.Glass rotary shaft  
2.Flange gasket   
3.Three bottles of fixed ring nut  
4.Three way bottle fixing nut  
5.Three bottles.