Rotary Evaporator
Rotary evaporators are essential laboratory devices designed for efficient and gentle removal of solvents from samples by evaporation under reduced pressure. Widely used in chemical, pharmaceutical, and research laboratories, they offer a reliable method to concentrate and purify compounds by controlling temperature and vacuum levels precisely. The rotary motion increases surface area, enhancing the evaporation process while minimizing thermal degradation of sensitive substances.
These evaporators are versatile and typically deployed in applications such as solvent recovery, sample concentration, and extraction processes. They accommodate various flask sizes and can be coupled with vacuum pumps to improve efficiency. Their ability to maintain consistent pressure and temperature conditions ensures reproducible and high-quality results, which are crucial in both academic and industrial research environments.

Types of Rotary Evaporators Your Laboratory May Need

Vacuum Pump
Vacuum pumps play a critical role in rotary evaporator setups by reducing the pressure inside the evaporation system. This reduction in pressure lowers the boiling point of solvents, allowing for efficient evaporation at lower temperatures, which is essential for heat-sensitive samples. The choice of vacuum pump affects the evaporation speed, system stability, and overall process quality.
Various types of vacuum pumps are compatible with rotary evaporators, including diaphragm, rotary vane, and membrane pumps. Each type offers different performance characteristics regarding vacuum level, noise emission, and maintenance requirements. Selecting the appropriate pump depends on your laboratory needs, solvent types, and desired evaporation efficiency.
What You Should Know Before Selecting a Rotary Evaporator and Making an Investment
Key Factors to Consider
Key factors to consider when selecting a rotary evaporator include the heating bath temperature range, the maximum evaporation capacity, and the precision of the rotation speed control. Ensuring that these components match your sample needs will guarantee efficient and safe solvent evaporation.
Other important considerations are the compatibility with different vacuum pumps, the quality of seals and condensers for minimizing solvent loss, and the ease of operation and cleaning. These factors directly influence the durability and usability of the rotary evaporator in your laboratory.

Price Range in the Market
The price range of rotary evaporators in the market varies significantly depending on the model size, included features, and brand reputation. Basic units suitable for small-scale laboratory work are available at lower costs, whereas advanced models with automated features command higher prices.
Additional costs may include vacuum pumps and accessories necessary for optimal performance. Investing wisely by balancing price and technical specifications ensures long-term value and operational efficiency within your budget constraints.

Quality-Price Ratio
The quality-price ratio in rotary evaporators depends on factors such as build quality, precision of temperature and vacuum controls, user interface options, and after-sales support. Kalstein products often provide excellent balance, offering robust construction and reliable components at competitive prices.
Choosing a rotary evaporator from a reputable manufacturer guarantees a better quality-price balance due to durable materials and proven technology. Our products are designed for extended laboratory use, reducing downtime and maintenance costs while maximizing performance.

Expected Lifespan Based on Usage and Maintenance
The expected lifespan of a rotary evaporator depends on frequency of use, maintenance routines, and operational environment. Regular servicing, including seal replacements and proper cleaning, can extend the equipment’s functional years considerably.
Proper use aligned with manufacturer guidelines and prompt support for repairs contribute greatly to the durability of rotary evaporators. Kalstein offers warranty services and comprehensive maintenance advice to ensure long-term reliability.

ROTARY EVAPORATOR KALSTEIN
Among many products, at Kalstein you can find the ideal rotary evaporator for your Laboratory
If you are unsure about which rotary evaporator to purchase, consider factors such as capacity, temperature control precision, vacuum compatibility, and ease of maintenance. Kalstein offers a wide range of models designed to meet various laboratory requirements, providing reliable performance and advanced features that facilitate solvent evaporation processes effectively.

Automatic Electric Steam Generator YR06672
The Automatic Electric Steam Generator YR06672 is a robust industrial solution designed under strict national standards…

Rotary Evaporator YR02307 // YR02310
The Rotary Evaporator YR02307 // YR02310 is designed with a large capacity and wide opening of the evaporating flask, pr…

Rotary Evaporator YR02306
The Rotary Evaporator YR02306 is an indispensable tool for laboratories focusing on the evaporation, distillation, and s…

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Our rotary evaporator most sold
The Automatic Electric Steam Generator YR06672 is a robust industrial solution designed under strict national standards (GB / T10393-2002) for efficient steam production using electric heating technology. This equipment is intended for research laboratories, pilot plants, and industrial processes using Rotary Evaporators or systems requiring precise and constant thermal control. Its primary purpose is to provide high-quality steam with minimal fluctuations, ensuring operational stability even during water replenishment phases.
This generator stands out for its advanced engineering focused on energy efficiency and ease of maintenance. It features a unique water circulation design that allows it to reach the desired temperature and pressure in record time.
| Parameter | characteristics |
| Model | YR06672 |
| Power (KW) | 48 |
| Evaporation Capacity (KG) | 65 |
| Design Temperature (°C) | 150 |
| Voltage (V) | 380 |
| Operating Pressure (Mpa) | 0.4 |
| Water Volume (KG) | 28 |
| Steam Pipe Diameter (mm) | DN15 |
| Dimensions (cm) | 50 * 65 * 105 |
| Equipment Weight | 90 Kg |
| Manufacturing Standard | GB / T10393-2002 |
| Steam Moisture | ≤ 2% |
| Connection Type | Flange |

Key factors determine rotary evaporator efficiency and reliability

Comparing Rotary Evaporators: Kalstein YR02306 vs. Heidolph Hei-VAP Precision
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Kalstein updated rotary evaporators meet modern lab standards
Explore our rotary evaporator guides to optimize your solvent evaporation techniques thoroughly
Our detailed guides and recommendations enable you to work like an expert with rotary evaporators, ensuring optimal performance, maintenance, and safety during solvent removal processes in your laboratory environment
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High-Efficiency Rotary Evaporators for Scientific Research
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Rotary Evaporators: Fast and Safe Evaporation for Chemical Processes
Rotary evaporators, also known as rotavapors, are essential equipment in chemical, pharmaceutical, and biotechnological research laboratories. This de…

Efficient Rotary Evaporators for Evaporation in Modern Chemical Synthesis
The use of rotary evaporators in chemical synthesis has revolutionized the way chemists and scientists perform evaporation and distillation processes. These devices allow solvents to be removed efficiently and in a controlled manner, which is essenti…

FAQs
The delivery time for your Kalstein product will depend on the following:
- Whether the equipment of your interest is in stock or if it needs to be manufactured.
- The type of freight you have chosen; this can be air or sea freight.
- Equipment in stock:
– Delivery Time (Air): 15-30 days.
– Delivery Time (Sea): 45-60 days.
- Equipment not in stock:
– Delivery Time (Air): 30-60 days.
– Delivery Time (Sea): 60-90 days.
You can make your purchase through:
- By email: [email protected]
- By phone: +33 (0) 1 70 39 26 50
- E-commerce: Through the official Kalstein website in your country.
At Kalstein, we provide our clients with online induction and technical support. You can visit our induction videos, technical assistance, and guidance provided by a Kalstein team through our YouTube channel (Kalstein English). HERE.