The RE-201D Rotary Evaporator is to quickly guide the surface vapor of the solvent during the rotation of the solution (some also have a decompression device) and flow out through the condenser tube, so it can effectively separate the solvent quickly. In addition, it comes with some other necessary components. Includes a heating bath and a spinner flask.
At the same time, the evaporation rate can also be adjusted, which is accomplished by adjusting the heating bath temperature. In addition to this, the size of the flask also plays an important role in the heating process. Flask size and distillation pressure will affect the evaporation rate in this process, and the rotation of the evaporation flask and the temperature of the cooling liquid are an important factor.
 

What is a large rotary evaporator?

Rotary vacuum evaporators are more designed for industrial purposes, because large rotary evaporators have evaporating flasks of different capacities, such as 10 liters, and can even reach 100L or more. In addition, they usually come with all the necessary accessories, allowing you to use various accessories for your industrial purposes. A large rotary evaporator has a lift function, which allows you to use it for good heat. Readings can also be displayed digitally through the process, and running speed can also be monitored.
 
ZZKD Lab's large rotary evaporator has a compact and creative design, so you can buy it at a low price. So do you know how to choose a suitable rotary evaporator?
 

Dimensions of a Large Rotary Evaporator

Large rotary evaporators are available in different sizes on the market. Regardless of size, they are manufactured from the highest quality glass material. These glasses are composed of borosilicate and PTFE materials.
 

10L Rotary Evaporator

There are different sizes on the market. One of the most popular of these sizes is the 10L rotary evaporator. The capacity here usually refers to the volume of the evaporating flask. Generally, the capacity of the rotary evaporator for ethanol extraction is 10L. However, 2L, 1L, 0.5L and smaller capacity rotary evaporators are also available. The 10L Series rotary evaporator systems feature high-efficiency valves and drain ports that allow you to continuously inject solution without stopping the system or releasing the vacuum to drain.

20L Rotary Evaporator

Another size is the 20L Rotary Evaporator. ZZKD 20L series rotary evaporators can recover solvents efficiently and quickly. Our evaporators come standard with safety features such as over temperature shutdown and dry running protection. All valves and ports are efficient, allowing continuous feeding and emptying of the receiver bottle without breaking the vacuum. Depending on the model you use, some of them have return distributors and dual receivers. Get comprehensive product information from us before you order this product.

50L Rotary Evaporator

The large-capacity 50L rotary evaporator is mainly used for concentration, crystallization, drying, separation and solvent recovery in the pharmaceutical, chemical and biopharmaceutical industries. This equipment is heated at a constant temperature under vacuum conditions, so that the rotary bottle rotates at a constant speed, and the material forms a large-area film on the bottle wall, which evaporates efficiently. The evaporation of the solvent is cooled by a high-efficiency glass condenser, recovered and collected in a bottle, which greatly improves the evaporation efficiency, and is especially suitable for the concentration and purification of biological materials that are easily decomposed and denatured at high temperature.

Choose the ideal size for your needs

Large Rotary Evaporators are available in a variety of capacities, and we accept customization of capacity.Get price: Rotary evaporator with chiller price.
 
Material selection of rotary evaporator
In the rotary evaporator, the material used for the receiving bottle is high borosilicate glass, and the expansion coefficient of the rotary evaporator that we often emphasize: 3.3. So, what is so good about borosilicate glass? Can the rotary evaporator use ordinary glass or tempered glass? What is the difference between them?
 
The material of the rotary evaporator is high borosilicate glass, the main components are boron oxide, silicon dioxide and sodium oxide, of which the content of borosilicate is relatively high, respectively, boron accounts for 12.5%-13.5%, silicon accounts for 78%-80%. The thermal expansion coefficient can reach 3.3, while the ordinary glass is 5.8-150, so it has stronger fracture resistance. Therefore, the high borosilicate glass has higher heat resistance, the strain temperature can reach 520℃, and the temperature difference it can withstand can reach about 150℃.


Tempered glass is the use of chemical or physical methods to form pressure on the surface of the glass, improve the bearing capacity, and increase its own impact and wind pressure resistance. Tempered glass is very hard and can withstand high temperatures of 200°C. The rotating bottle, condensing coil and other components in our rotary evaporator are directly fired and cannot be tempered again. One of the most fatal weaknesses of tempered glass is that it has the possibility of self-explosion. In the development of the project, we are exposed to dozens of degrees below zero, or high temperature of one or two hundred degrees Celsius, which greatly increases the safety risk, so the reaction flask cannot use tempered or ordinary glass. If you choose our rotary evaporator, you will avoid these unnecessary risks.
 
High borosilicate glass has stable molecular properties and is not easy to react chemically with materials. Compared with tempered glass and ordinary glass, it has higher transparency, making the project process clearer and brighter. When the rotary evaporator is working, the heating temperature of the rotating bottle by the bath can reach 200 °C, and the condensing coil cools and condenses the material vapor through the refrigerant in the low-temperature coolant circulating pump. The temperature difference in the middle must be high. Borosilicate glass can ensure the smooth progress of the entire project.