Rotary Evaporator
Rotary evaporators are essential laboratory instruments designed for efficient and gentle removal of solvents from samples through the process of evaporation combined with condensation. They are widely used in chemical, pharmaceutical, and research laboratories to concentrate solutions and recover solvents while preserving the integrity of sensitive compounds.
The rotary evaporator operates by rotating the sample flask under a vacuum and heating it in a controlled water or oil bath, which accelerates evaporation. This system allows for low-temperature evaporation, minimizing thermal degradation and making it invaluable for delicate sample preparation and purification tasks.

Types of Rotary Evaporators Your Laboratory Might Need

Vacuum Pump
Vacuum pumps are critical components for rotary evaporators, creating the necessary reduced pressure environment that facilitates solvent evaporation at lower temperatures. This ensures sample integrity and accelerates the evaporation process, which is vital for laboratory efficiency and safety.
At Kalstein, our vacuum pumps are designed for high compatibility and performance with rotary evaporators, offering variable vacuum ranges, quiet operation, and durable construction. These pumps are suitable for diverse laboratory applications, guaranteeing stable vacuum for reproducible results.
What You Should Know Before Selecting a Rotary Evaporator and Making an Investment
Key Factors to Consider
When selecting a rotary evaporator, consider factors such as evaporation capacity, the size of the sample flask, and the power of the vacuum system. These elements ensure the equipment matches your laboratory’s requirements and the types of solvents you plan to process.
Additional key factors include the build quality, ease of operation, availability of safety features, and maintenance needs. Choosing equipment with user-friendly controls and reliable components will reduce downtime and extend operational life.

Price Range in the Market
The price range of rotary evaporators varies widely depending on features like digital controls, motorized lifts, and vacuum pump integration. Basic models may be more affordable but might lack advanced functionalities necessary for complex applications.
Premium rotary evaporators with enhanced automation, advanced materials, and integrated vacuum pumps typically command higher prices but offer greater efficiency and precision, justifying the investment for demanding laboratory environments.

Quality-Price Ratio
Quality-price balance is essential when acquiring rotary evaporators. While cheaper models might reduce upfront costs, investing in reliable brands like Kalstein ensures better durability, support, and consistent performance over time.
Evaluating the total cost of ownership includes assessing energy efficiency, frequency of replacement parts, and ease of maintenance. High-quality evaporators often yield lower operational costs and less frequent repairs.

Lifespan Expectancy According to Use and Maintenance
The expected lifespan of a rotary evaporator depends largely on usage intensity, environmental conditions, and adherence to maintenance schedules. Proper cleaning and preventative servicing prolong functionality and safety.
Kalstein rotary evaporators are built with robust components and engineered for longevity. We provide detailed maintenance guides and technical support to help users maximize their equipment’s operational lifespan.

ROTARY EVAPORATOR KALSTEIN
Among many products, at Kalstein you can find the ideal rotary evaporator for your Laboratory
If you don’t know which rotary evaporator to buy, our range at Kalstein offers versatile models tailored to different laboratory needs, combining reliability with advanced features to ensure optimal performance and ease of use.

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 |

Understanding key rotary evaporator features improves your purchase decision.

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Kalstein offers the latest rotary evaporators with superior performance.
Comprehensive guides to selecting and using rotary evaporators effectively and safely in your laboratory.
Explore detailed recommendations and step-by-step instructions on using rotary evaporators to maximize efficiency and maintain your equipment like a professional expert.
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FAQs
The delivery time of your Kalstein product will depend on the following:
- Whether the equipment you are interested in is in stock or needs to be manufactured.
- The type of freight chosen, which may be air or sea.
- Equipment in stock:
– Delivery Time (Air): 15-30 days.
– Delivery Time (Sea): 45-60 days.
- Equipment out of 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 facilitate training and technical support to our customers through new online methods. You can visit our induction videos, technical assistance, and guidance provided by a Kalstein team through our YouTube channel (Kalstein English). HERE.