Technical Articles
NANBEI Is Professional On Providing One-step Solution Of Laboratory Instruments And Equipment
Rotary evaporators are widely used in laboratories, pilot production, and the extraction of valuable substances. As a vital piece of laboratory equipment, the rotary evaporator is known for its compact design, high efficiency, intuitive operation, and freedom from metal ion contamination. Choosing the right model is essential for achieving reliable performance and accurate results. This guide from Nanbei Instruments offers professional tips for selecting the ideal rotary evaporator based on application needs and technical factors.
The most critical factor when choosing a rotary evaporator is its ability to maintain a high vacuum while resisting corrosion from a wide range of solvents during operation. A reliable laboratory rotary evaporator should feature chemical-resistant seals, robust structural components, and precision-engineered systems to ensure vacuum integrity and safety.
Efficiency in rotary evaporation depends on several key variables:
Steam temperature
Vacuum degree
Cooling water temperature
Since the steam temperature cannot be raised infinitely—especially when working with heat-sensitive compounds—achieving a high vacuum and maintaining low cooling water temperatures are essential to improving overall evaporation speed and consistency.
The choice between vertical and inclined condensers depends on lab space and application volume:
A vertical condenser is typically used for high-volume rotary evaporators because it saves horizontal space while maximizing condensation area.
An inclined condenser is more compact and easier to clean, making it ideal for small-capacity models and laboratories with limited space.
Rotary evaporators come in a variety of sizes. Choosing the correct volume ensures efficient operation and better scalability:
2L, 3L, 5L models – Ideal for laboratory research and small sample processing.
5L, 10L, 20L models – Suitable for pilot-scale testing and process development.
20L and 50L models – Designed for both pilot production and industrial-level applications.
Nanbei Instruments offers a full range of rotary evaporators from 2L to 50L, suitable for all research and industrial needs.
An efficient vacuum source is crucial to the performance of your evaporator. Nanbei recommends using a circulating water vacuum pump that is corrosion-resistant and capable of maintaining strong negative pressure under prolonged use. This ensures safe and stable operation, especially when working with volatile or corrosive solvents.
As a high-performance tool in the field of scientific research, the rotary vacuum evaporator plays a crucial role in helping scientists conduct accurate, safe, and efficient experiments. By carefully considering factors such as vacuum performance, condenser design, evaporation efficiency, and model selection, users can significantly enhance their workflow and outcomes.
Nanbei Instruments, a trusted manufacturer of laboratory equipment, provides a comprehensive range of rotary evaporators and accessories to support laboratories worldwide. For more product details or inquiries, please visit Contact Us Page .